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trading212-api

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更新时间2026年2月3日 12:53

This skill should be used when the user asks to "connect to Trading 212", "authenticate Trading 212 API", "place a trade", "buy stock", "sell shares", "place market order",, "place pending order", "place limit order", "cancel order", "check my balance", "view account summary", "get positions", "view portfolio", "check P&L", "find ticker symbol", "search instruments", "check trading hours", "view dividends", "get order history", "export transactions", "generate CSV report", or needs guidance on Trading 212 API authentication, order placement, position monitoring, account information, instrument lookup, or historical data retrieval.

安装

用 Codex 或 Claude 帮你安装复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。

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来源

trading212-labs

trading212-labs/agent-skills

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Trading 212 API

Note: The Trading 212 API is currently in beta and under active development. Some endpoints or behaviors may change.

Quick Reference

Environments

Environment	Base URL	Purpose
Demo	`https://demo.trading212.com/api/v0`	Paper trading - test without real funds
Live	`https://live.trading212.com/api/v0`	Real money trading

Order Quantity Convention

Positive quantity = BUY (e.g., 10 buys 10 shares)
Negative quantity = SELL (e.g., -10 sells 10 shares)

Account Types

Only Invest and Stocks ISA accounts are supported.

Instrument Identifiers

Trading 212 uses custom tickers as unique identifiers for instruments. Always search for the Trading 212 ticker before making instrument requests.

Authentication

HTTP Basic Auth with API Key (username) and API Secret (password).

Check Existing Setup First

Before guiding the user through authentication setup, check if credentials are already configured:

Semantic rule: Credentials are configured when at least one complete set is present: a complete set is key + secret for the same account (e.g. T212_API_KEY + T212_API_SECRET, or T212_API_KEY_INVEST + T212_API_SECRET_INVEST, or T212_API_KEY_STOCKS_ISA + T212_API_SECRET_STOCKS_ISA). You do not need all four account-specific vars; having only the Invest pair or only the Stocks ISA pair is enough. Check for any combination that gives at least one usable key+secret pair.

# Example: configured if any complete credential set exists
if [ -n "$T212_AUTH_HEADER" ] && [ -n "$T212_BASE_URL" ]; then
  echo "Configured (derived vars)"
elif [ -n "$T212_API_KEY" ] && [ -n "$T212_API_SECRET" ]; then
  echo "Configured (single account)"
elif [ -n "$T212_API_KEY_INVEST" ] && [ -n "$T212_API_SECRET_INVEST" ]; then
  echo "Configured (Invest); Stocks ISA also if T212_API_KEY_STOCKS_ISA and T212_API_SECRET_STOCKS_ISA are set"
elif [ -n "$T212_API_KEY_STOCKS_ISA" ] && [ -n "$T212_API_SECRET_STOCKS_ISA" ]; then
  echo "Configured (Stocks ISA); Invest also if T212_API_KEY_INVEST and T212_API_SECRET_INVEST are set"
else
  echo "No complete credential set found"
fi

If any complete set is present, skip the full setup and proceed with API calls; when making requests, use the resolution order in "Making Requests" below (pick the pair that matches the user's account context when multiple sets exist). Do not ask the user to run derivation one-liners or merge keys into a header. Only guide users through the full setup process below when no complete credential set exists.

Important: Before making any API calls, always ask the user which environment they want to use: LIVE (real money) or DEMO (paper trading). Do not assume the environment.

API Keys Are Environment-Specific

API keys are tied to a specific environment and cannot be used across environments.

API Key Created In	Works With	Does NOT Work With
LIVE account	`live.trading212.com`	`demo.trading212.com`
DEMO account	`demo.trading212.com`	`live.trading212.com`

If you get a 401 error, verify that:

You're using the correct API key for the target environment
The API key was generated in the same environment (LIVE or DEMO) you're trying to access

Get Credentials

Decide which environment to use - LIVE (real money) or DEMO (paper trading)
Open Trading 212 app (mobile or web)
Switch to the correct account - Make sure you're in LIVE or DEMO mode matching your target environment
Navigate to Settings > API
Generate a new API key pair - you'll receive:
- API Key (ID) (e.g., 35839398ZFVKUxpHzPiVsxKdOtZdaDJSrvyPF)
- API Secret (e.g., 7MOzYJlVJgxoPjdZJCEH3fO9ee7A0NzLylFFD4-3tlo)
Store the credentials separately for each environment if you use both

Building the Auth Header

Combine your API Key (ID) and Secret with a colon, base64 encode, and prefix with Basic for the Authorization header.

Optional: To precompute the header from key/secret, you can set:

export T212_AUTH_HEADER="Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64)"

Otherwise, the agent builds the header from T212_API_KEY and T212_API_SECRET when making requests.

Manual (placeholders):

# Format: T212_AUTH_HEADER = "Basic " + base64(API_KEY_ID:API_SECRET)
export T212_AUTH_HEADER="Basic $(echo -n "<YOUR_API_KEY_ID>:<YOUR_API_SECRET>" | base64)"

# Example with sample credentials:
export T212_AUTH_HEADER="Basic $(echo -n "35839398ZFVKUxpHzPiVsxKdOtZdaDJSrvyPF:7MOzYJlVJgxoPjdZJCEH3fO9ee7A0NzLylFFD4-3tlo" | base64)"

Making Requests

When making API calls, use the first option that applies (semantically: pick the credential set that matches the user's account, or the only set present):

If T212_AUTH_HEADER and T212_BASE_URL are set: use them in requests.
Else if T212_API_KEY and T212_API_SECRET are set: use this pair (single account). Build header as Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64) and base URL as https://${T212_ENV:-live}.trading212.com. Do not guide the user to derive or merge; you do it.
Else if both account-specific pairs are set (T212_API_KEY_INVEST/T212_API_SECRET_INVEST and T212_API_KEY_STOCKS_ISA/T212_API_SECRET_STOCKS_ISA): the user must clearly specify which account to target (Invest or Stocks ISA), unless they ask for information for all accounts. Use the Invest pair when the user refers to Invest, and the Stocks ISA pair when the user refers to ISA/Stocks ISA. If the user wants information for all accounts, make multiple API calls—one per account (Invest and Stocks ISA)—and present or aggregate the results for both. If it is not clear from context which account to use (and they did not ask for all accounts), ask for confirmation before making API calls (e.g. "Which account should I use — Invest or Stocks ISA?"). Do not assume. Build the header from the chosen key/secret and base URL as https://${T212_ENV:-live}.trading212.com.
Else if only the Invest pair is set (T212_API_KEY_INVEST and T212_API_SECRET_INVEST): use this pair for requests; if the user asks about Stocks ISA, only the Invest account is configured.
Else if only the Stocks ISA pair is set (T212_API_KEY_STOCKS_ISA and T212_API_SECRET_STOCKS_ISA): use this pair for requests; if the user asks about Invest, only the Stocks ISA account is configured.

Use the T212_AUTH_HEADER value in the Authorization header when it is set:

# When T212_AUTH_HEADER and T212_BASE_URL are set:
curl -H "Authorization: $T212_AUTH_HEADER" \
  "${T212_BASE_URL}/api/v0/equity/account/summary"

When only primary vars are set, use the inline form in the curl:

# When only T212_API_KEY, T212_API_SECRET, T212_ENV are set:
curl -H "Authorization: Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64)" \
  "https://${T212_ENV:-live}.trading212.com/api/v0/equity/account/summary"

Warning: T212_AUTH_HEADER must be the full header value including the Basic prefix.

# WRONG - raw base64 without "Basic " prefix
curl -H "Authorization: <base64-only>" ...  # This will NOT work!

# CORRECT - use T212_AUTH_HEADER (contains "Basic <base64>")
curl -H "Authorization: $T212_AUTH_HEADER" ...  # This works

Environment Variables

Single account vs all accounts: API keys are for a single account. One key/secret pair (T212_API_KEY + T212_API_SECRET) = one account (Invest or Stocks ISA). To use all accounts (Invest and Stocks ISA), the user must set two sets of key/secret: T212_API_KEY_INVEST / T212_API_SECRET_INVEST and T212_API_KEY_STOCKS_ISA / T212_API_SECRET_STOCKS_ISA. When both pairs are set, the user must clearly specify which account to target; if it is not clear from context, ask for confirmation (Invest or Stocks ISA) before making API calls.

Primary (single account): Set these for consistent setup with the plugin README:

export T212_API_KEY="your-api-key"       # API Key (ID) from Trading 212
export T212_API_SECRET="your-api-secret"
export T212_ENV="demo"                   # or "live" (defaults to "live" if unset)

Account-specific (Invest and/or Stocks ISA): Set only the pair(s) you use. One complete set (key + secret for the same account) is enough. For example, only Invest:

export T212_API_KEY_INVEST="your-invest-api-key"
export T212_API_SECRET_INVEST="your-invest-api-secret"
export T212_ENV="demo"                   # or "live"

For both accounts, set both pairs:

export T212_API_KEY_INVEST="your-invest-api-key"
export T212_API_SECRET_INVEST="your-invest-api-secret"
export T212_API_KEY_STOCKS_ISA="your-stocks-isa-api-key"
export T212_API_SECRET_STOCKS_ISA="your-stocks-isa-api-secret"
export T212_ENV="demo"                   # or "live" (applies to both)

Optional – precomputed (for scripts or if the user prefers): The user can set the auth header and base URL from the primary vars, but they do not need to; when making API calls you (the agent) must build the header and base URL from primary vars if these are not set.

# Build auth header and base URL from T212_API_KEY, T212_API_SECRET, T212_ENV
export T212_AUTH_HEADER="Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64)"
export T212_BASE_URL="https://${T212_ENV:-live}.trading212.com"

Alternative (manual): If you prefer not to store key/secret in env, set derived vars directly. Remember: API keys only work with their matching environment.

# For DEMO (paper trading)
export T212_AUTH_HEADER="Basic $(echo -n "<DEMO_API_KEY_ID>:<DEMO_API_SECRET>" | base64)"
export T212_BASE_URL="https://demo.trading212.com"

# For LIVE (real money) - generate separate credentials in LIVE account
# export T212_AUTH_HEADER="Basic $(echo -n "<LIVE_API_KEY_ID>:<LIVE_API_SECRET>" | base64)"
# export T212_BASE_URL="https://live.trading212.com"

Tip: If you use both environments, use separate variable names:

# Demo credentials
export T212_DEMO_AUTH_HEADER="Basic $(echo -n "<DEMO_KEY_ID>:<DEMO_SECRET>" | base64)"

# Live credentials
export T212_LIVE_AUTH_HEADER="Basic $(echo -n "<LIVE_KEY_ID>:<LIVE_SECRET>" | base64)"

Common Auth Errors

Code	Cause	Solution
401	Invalid credentials	Check API key/secret, ensure no extra whitespace
401	Environment mismatch	LIVE API keys don't work with DEMO and vice versa - verify key matches target environment
403	Missing permissions	Check API permissions in Trading 212 settings
408	Request timed out	Retry the request
429	Rate limit exceeded	Wait for `x-ratelimit-reset` timestamp

Account

Get Account Summary

GET /api/v0/equity/account/summary (1 req/5s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/account/summary"

Response Schema:

{
  "id": 12345678,
  "currency": "GBP",
  "totalValue": 15250.75,
  "cash": {
    "availableToTrade": 2500.5,
    "reservedForOrders": 150.0,
    "inPies": 500.0
  },
  "investments": {
    "currentValue": 12100.25,
    "totalCost": 10500.0,
    "realizedProfitLoss": 850.5,
    "unrealizedProfitLoss": 1600.25
  }
}

Account Fields

Field	Type	Description
`id`	integer	Primary trading account number
`currency`	string	Primary account currency (ISO 4217)
`totalValue`	number	Total account value in primary currency
`cash.availableToTrade`	number	Funds available for investing
`cash.reservedForOrders`	number	Cash reserved for pending orders
`cash.inPies`	number	Uninvested cash inside pies
`investments.currentValue`	number	Current value of all investments
`investments.totalCost`	number	Cost basis of current investments
`investments.realizedProfitLoss`	number	All-time realized P&L
`investments.unrealizedProfitLoss`	number	Potential P&L if sold now

Orders

Order Types

Type	Endpoint	Availability	Description
Market	`/api/v0/equity/orders/market`	Demo + Live	Execute immediately at best price
Limit	`/api/v0/equity/orders/limit`	Demo + Live	Execute at limit price or better
Stop	`/api/v0/equity/orders/stop`	Demo + Live	Market order when stop price reached
StopLimit	`/api/v0/equity/orders/stop_limit`	Demo + Live	Limit order when stop price reached

Order Statuses

Status	Description
`LOCAL`	Order created locally, not yet sent
`UNCONFIRMED`	Sent to exchange, awaiting confirmation
`CONFIRMED`	Confirmed by exchange
`NEW`	Active and awaiting execution
`CANCELLING`	Cancel request in progress
`CANCELLED`	Successfully cancelled
`PARTIALLY_FILLED`	Some shares executed
`FILLED`	Completely executed
`REJECTED`	Rejected by exchange
`REPLACING`	Modification in progress
`REPLACED`	Successfully modified

Time Validity

Value	Description
`DAY`	Expires at midnight in exchange timezone
`GOOD_TILL_CANCEL`	Active until filled or cancelled (default)

Order Strategy

Value	Description
`QUANTITY`	Order by number of shares (API supported)
`VALUE`	Order by monetary value (not supported via API)

Initiated From

Value	Description
`API`	Placed via this API
`IOS`	iOS app
`ANDROID`	Android app
`WEB`	Web platform
`SYSTEM`	System-generated
`AUTOINVEST`	Autoinvest feature

Place Market Order

POST /api/v0/equity/orders/market (50 req/min)

# Buy 5 shares
curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/market" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": 5}'

# Sell 3 shares (negative quantity)
curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/market" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": -3}'

# Buy with extended hours enabled
curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/market" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": 5, "extendedHours": true}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker (e.g., `AAPL_US_EQ`)
`quantity`	number	Yes	Positive for buy, negative for sell
`extendedHours`	boolean	No	Set `true` to allow execution in pre-market (4:00-9:30 ET) and after-hours (16:00-20:00 ET) sessions. Default: `false`

Response:

{
  "id": 123456789,
  "type": "MARKET",
  "ticker": "AAPL_US_EQ",
  "instrument": {
    "ticker": "AAPL_US_EQ",
    "name": "Apple Inc",
    "isin": "US0378331005",
    "currency": "USD"
  },
  "quantity": 5,
  "filledQuantity": 0,
  "status": "NEW",
  "side": "BUY",
  "strategy": "QUANTITY",
  "initiatedFrom": "API",
  "extendedHours": false,
  "createdAt": "2024-01-15T10:30:00Z"
}

Place Limit Order

POST /api/v0/equity/orders/limit (1 req/2s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/limit" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": 5, "limitPrice": 150.00, "timeValidity": "DAY"}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker
`quantity`	number	Yes	Positive for buy, negative for sell
`limitPrice`	number	Yes	Maximum price for buy, minimum for sell
`timeValidity`	string	No	`DAY` (default) or `GOOD_TILL_CANCEL`

Place Stop Order

POST /api/v0/equity/orders/stop (1 req/2s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/stop" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": -5, "stopPrice": 140.00, "timeValidity": "GOOD_TILL_CANCEL"}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker
`quantity`	number	Yes	Positive for buy, negative for sell
`stopPrice`	number	Yes	Trigger price (based on Last Traded Price)
`timeValidity`	string	No	`DAY` (default) or `GOOD_TILL_CANCEL`

Place Stop-Limit Order

POST /api/v0/equity/orders/stop_limit (1 req/2s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/stop_limit" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": -5, "stopPrice": 145.00, "limitPrice": 140.00, "timeValidity": "DAY"}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker
`quantity`	number	Yes	Positive for buy, negative for sell
`stopPrice`	number	Yes	Trigger price to activate limit order
`limitPrice`	number	Yes	Limit price for the resulting order
`timeValidity`	string	No	`DAY` (default) or `GOOD_TILL_CANCEL`

Get Pending Orders

GET /api/v0/equity/orders (1 req/5s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/orders"

Returns array of Order objects with status NEW, PARTIALLY_FILLED, etc.

Get Order by ID

GET /api/v0/equity/orders/{id} (1 req/1s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/orders/123456789"

Cancel Order

DELETE /api/v0/equity/orders/{id} (50 req/min)

curl -X DELETE -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/orders/123456789"

Returns 200 OK if cancellation request accepted. Order may already be filled.

Common Order Errors

Error	Cause	Solution
`InsufficientFreeForStocksBuy`	Not enough cash	Check `cash.availableToTrade`
`SellingEquityNotOwned`	Selling more than owned	Check `quantityAvailableForTrading`
`MarketClosed`	Outside trading hours	Check exchange schedule

Positions

Get All Positions

GET /api/v0/equity/positions (1 req/1s)

Query Parameters:

Parameter	Type	Required	Description
`ticker`	string	No	Filter by specific ticker (e.g., `AAPL_US_EQ`)

# All positions
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/positions"

# Filter by ticker
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/positions?ticker=AAPL_US_EQ"

Response Schema:

[
  {
    "instrument": {
      "ticker": "AAPL_US_EQ",
      "name": "Apple Inc",
      "isin": "US0378331005",
      "currency": "USD"
    },
    "quantity": 15.5,
    "quantityAvailableForTrading": 12.5,
    "quantityInPies": 3,
    "currentPrice": 185.5,
    "averagePricePaid": 170.25,
    "createdAt": "2024-01-10T09:15:00Z",
    "walletImpact": {
      "currency": "GBP",
      "totalCost": 2089.45,
      "currentValue": 2275.1,
      "unrealizedProfitLoss": 185.65,
      "fxImpact": 12.3
    }
  }
]

Position Fields

Field	Type	Description
`quantity`	number	Total shares owned
`quantityAvailableForTrading`	number	Shares available to sell
`quantityInPies`	number	Shares allocated to pies
`currentPrice`	number	Current price (instrument currency)
`averagePricePaid`	number	Average cost per share
`createdAt`	datetime	Position open date
`walletImpact.currency`	string	Account currency
`walletImpact.totalCost`	number	Total cost in account currency
`walletImpact.currentValue`	number	Current value in account currency
`walletImpact.unrealizedProfitLoss`	number	P&L in account currency
`walletImpact.fxImpact`	number	Currency rate impact on value

Position Quantity Scenarios

Scenario	quantity	quantityAvailableForTrading	quantityInPies
All direct holdings	10	10	0
Some in pie	10	7	3
All in pie	10	0	10

Important: Always check quantityAvailableForTrading before placing sell orders.

Instruments

Ticker Lookup Workflow

When users reference instruments by common names (e.g., "SAP", "Apple", "AAPL"), you must look up the exact Trading 212 ticker before making any order, position, or historical data queries. Never construct ticker formats manually.

CACHE FIRST: Always check /tmp/t212_instruments.json before calling the API. The instruments endpoint has a 50-second rate limit and returns ~5MB. Only call the API if cache is missing or older than 1 hour.

Generic search: Match the user's search term in the three meaningful fields: ticker, name, or shortName. Use one variable (e.g. SEARCH_TERM) with test($q; "i") on each field so "TSLA", "Tesla", "TL0", etc. match efficiently. For regional filtering (e.g. "US stocks", "European SAP"), use the ISIN prefix (first 2 characters) for country code or currencyCode after the grep.

IMPORTANT: Never auto-select instruments. If multiple options exist, you are required to ask the user for their preference.

# SEARCH_TERM = user query (e.g. TSLA, Tesla, AAPL, SAP)
SEARCH_TERM="TSLA"
CACHE_FILE="/tmp/t212_instruments.json"
if [ -f "$CACHE_FILE" ] && [ $(($(date +%s) - $(stat -f %m "$CACHE_FILE" 2>/dev/null || stat -c %Y "$CACHE_FILE"))) -lt 3600 ]; then
  # Search ticker, name, or shortName fields
  jq --arg q "$SEARCH_TERM" '[.[] | select((.ticker // "" | test($q; "i")) or (.name // "" | test($q; "i")) or (.shortName // "" | test($q; "i")))]' "$CACHE_FILE"
else
  curl -s -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL/api/v0/equity/metadata/instruments" > "$CACHE_FILE"
fi

Get All Instruments

GET /api/v0/equity/metadata/instruments (1 req/50s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/metadata/instruments"

Response Schema:

[
  {
    "ticker": "AAPL_US_EQ",
    "name": "Apple Inc",
    "shortName": "AAPL",
    "isin": "US0378331005",
    "currencyCode": "USD",
    "type": "STOCK",
    "maxOpenQuantity": 10000,
    "extendedHours": true,
    "workingScheduleId": 123,
    "addedOn": "2020-01-15T00:00:00Z"
  }
]

Instrument Fields

Field	Type	Description
`ticker`	string	Unique instrument identifier
`name`	string	Full instrument name
`shortName`	string	Short symbol (e.g., AAPL)
`isin`	string	International Securities ID
`currencyCode`	string	Trading currency (ISO 4217)
`type`	string	Instrument type (see below)
`maxOpenQuantity`	number	Maximum position size allowed
`extendedHours`	boolean	Whether extended hours trading is available
`workingScheduleId`	integer	Reference to exchange schedule
`addedOn`	datetime	When added to platform

Instrument Types

Type	Description
`STOCK`	Common stock
`ETF`	Exchange-traded fund
`CRYPTOCURRENCY`	Cryptocurrency
`CRYPTO`	Crypto asset
`FOREX`	Foreign exchange
`FUTURES`	Futures contract
`INDEX`	Index
`WARRANT`	Warrant
`CVR`	Contingent value right
`CORPACT`	Corporate action

Ticker Format

{SYMBOL}_{EXCHANGE}_{TYPE} - Examples:

AAPL_US_EQ - Apple on US exchange
VUSA_LSE_EQ - Vanguard S&P 500 on London
BTC_CRYPTO - Bitcoin

Get Exchange Metadata

GET /api/v0/equity/metadata/exchanges (1 req/30s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/metadata/exchanges"

Response Schema:

[
  {
    "id": 123,
    "name": "NASDAQ",
    "workingSchedules": [
      {
        "id": 456,
        "timeEvents": [
          { "type": "PRE_MARKET_OPEN", "date": "2024-01-15T09:00:00Z" },
          { "type": "OPEN", "date": "2024-01-15T14:30:00Z" },
          { "type": "CLOSE", "date": "2024-01-15T21:00:00Z" },
          { "type": "AFTER_HOURS_CLOSE", "date": "2024-01-15T01:00:00Z" }
        ]
      }
    ]
  }
]

Time Event Types

Type	Description
`PRE_MARKET_OPEN`	Pre-market session starts
`OPEN`	Regular trading starts
`BREAK_START`	Trading break begins
`BREAK_END`	Trading break ends
`CLOSE`	Regular trading ends
`AFTER_HOURS_OPEN`	After-hours session starts
`AFTER_HOURS_CLOSE`	After-hours session ends
`OVERNIGHT_OPEN`	Overnight session starts

Historical Data

All historical endpoints use cursor-based pagination with nextPagePath.

Pagination Parameters

Parameter	Type	Default	Max	Description
`limit`	integer	20	50	Items per page
`cursor`	string/number	-	-	Pagination cursor (used in `nextPagePath`)
`ticker`	string	-	-	Filter by ticker (orders, dividends)
`time`	datetime	-	-	Pagination time (used in `nextPagePath` for transactions)

Pagination Example

#!/bin/bash
# Fetch all historical orders with pagination

NEXT_PATH="/api/v0/equity/history/orders?limit=50"

while [ -n "$NEXT_PATH" ]; do
  echo "Fetching: $NEXT_PATH"

  RESPONSE=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL$NEXT_PATH")

  # Process items (e.g., save to file)
  echo "$RESPONSE" | jq '.items[]' >> orders.json

  # Get next page path (null if no more pages)
  NEXT_PATH=$(echo "$RESPONSE" | jq -r '.nextPagePath // empty')

  # Wait 1 second between requests (50 req/min limit)
  if [ -n "$NEXT_PATH" ]; then
    sleep 1
  fi
done

echo "Done fetching all orders"

Historical Orders

GET /api/v0/equity/history/orders (50 req/min)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/orders?limit=50"

# Filter by ticker
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/orders?ticker=AAPL_US_EQ&limit=50"

Response Schema:

{
  "items": [
    {
      "order": {
        "id": 123456789,
        "type": "MARKET",
        "ticker": "AAPL_US_EQ",
        "instrument": {
          "ticker": "AAPL_US_EQ",
          "name": "Apple Inc",
          "isin": "US0378331005",
          "currency": "USD"
        },
        "quantity": 5,
        "filledQuantity": 5,
        "status": "FILLED",
        "side": "BUY",
        "createdAt": "2024-01-15T10:30:00Z"
      },
      "fill": {
        "id": 987654321,
        "type": "TRADE",
        "quantity": 5,
        "price": 185.5,
        "filledAt": "2024-01-15T10:30:05Z",
        "tradingMethod": "TOTV",
        "walletImpact": {
          "currency": "GBP",
          "fxRate": 0.79,
          "netValue": 732.72,
          "realisedProfitLoss": 0,
          "taxes": [
            { "name": "STAMP_DUTY", "quantity": 3.66, "currency": "GBP" }
          ]
        }
      }
    }
  ],
  "nextPagePath": "/api/v0/equity/history/orders?limit=50&cursor=1705326600000"
}

Fill Types

Type	Description
`TRADE`	Regular trade execution
`STOCK_SPLIT`	Stock split adjustment
`STOCK_DISTRIBUTION`	Stock distribution
`FOP`	Free of payment transfer
`FOP_CORRECTION`	FOP correction
`CUSTOM_STOCK_DISTRIBUTION`	Custom stock distribution
`EQUITY_RIGHTS`	Equity rights issue

Trading Methods

Method	Description
`TOTV`	Traded on trading venue
`OTC`	Over-the-counter

Tax Types (walletImpact.taxes)

Type	Description
`COMMISSION_TURNOVER`	Commission on turnover
`CURRENCY_CONVERSION_FEE`	FX conversion fee
`FINRA_FEE`	FINRA trading activity fee
`FRENCH_TRANSACTION_TAX`	French FTT
`PTM_LEVY`	Panel on Takeovers levy
`STAMP_DUTY`	UK stamp duty
`STAMP_DUTY_RESERVE_TAX`	UK SDRT
`TRANSACTION_FEE`	General transaction fee

Historical Dividends

GET /api/v0/equity/history/dividends (50 req/min)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/dividends?limit=50"

# Filter by ticker
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/dividends?ticker=AAPL_US_EQ&limit=50"

Response Schema:

{
  "items": [
    {
      "ticker": "AAPL_US_EQ",
      "instrument": {
        "ticker": "AAPL_US_EQ",
        "name": "Apple Inc",
        "isin": "US0378331005",
        "currency": "USD"
      },
      "type": "ORDINARY",
      "amount": 12.5,
      "amountInEuro": 14.7,
      "currency": "GBP",
      "tickerCurrency": "USD",
      "grossAmountPerShare": 0.24,
      "quantity": 65.5,
      "paidOn": "2024-02-15T00:00:00Z",
      "reference": "DIV-123456"
    }
  ],
  "nextPagePath": null
}

Dividend Types (Common)

Type	Description
`ORDINARY`	Regular dividend
`BONUS`	Bonus dividend
`INTEREST`	Interest payment
`DIVIDEND`	Generic dividend
`CAPITAL_GAINS`	Capital gains distribution
`RETURN_OF_CAPITAL`	Return of capital
`PROPERTY_INCOME`	Property income (REITs)
`DEMERGER`	Demerger distribution
`QUALIFIED_INVESTMENT_ENTITY`	QIE distribution
`TRUST_DISTRIBUTION`	Trust distribution

Note: Many additional US tax-specific types exist for 1042-S reporting.

Account Transactions

GET /api/v0/equity/history/transactions (50 req/min)

Pagination:

First request: Must use only the limit parameter (no cursor, no timestamp)
Subsequent requests: Use the nextPagePath from the previous response, which includes cursor and timestamp automatically
Time filtering: Transactions cannot be filtered by time - pagination is the only way to navigate through historical data

# First request - use only limit
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/transactions?limit=50"

Response Schema:

{
  "items": [
    {
      "type": "DEPOSIT",
      "amount": 1000.0,
      "currency": "GBP",
      "dateTime": "2024-01-10T14:30:00Z",
      "reference": "TXN-123456"
    }
  ],
  "nextPagePath": null
}

Transaction Types

Type	Description
`DEPOSIT`	Funds deposited to account
`WITHDRAW`	Funds withdrawn from account
`FEE`	Fee charged
`TRANSFER`	Internal transfer

CSV Reports

Request report: POST /api/v0/equity/history/exports (1 req/30s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/history/exports" \
  -d '{
    "dataIncluded": {
      "includeDividends": true,
      "includeInterest": true,
      "includeOrders": true,
      "includeTransactions": true
    },
    "timeFrom": "2024-01-01T00:00:00Z",
    "timeTo": "2024-12-31T23:59:59Z"
  }'

Response:

{
  "reportId": 12345
}

Poll for completion: GET /api/v0/equity/history/exports (1 req/min)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/exports"

Response:

[
  {
    "reportId": 12345,
    "status": "Finished",
    "dataIncluded": {
      "includeDividends": true,
      "includeInterest": true,
      "includeOrders": true,
      "includeTransactions": true
    },
    "timeFrom": "2024-01-01T00:00:00Z",
    "timeTo": "2024-12-31T23:59:59Z",
    "downloadLink": "https://trading212-reports.s3.amazonaws.com/..."
  }
]

Download the report:

# Get the download link from the response
DOWNLOAD_URL=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/exports" | jq -r '.[0].downloadLink')

# Download the CSV file
curl -o trading212_report.csv "$DOWNLOAD_URL"

Report Status Values

Status	Description
`Queued`	Report request received
`Processing`	Report generation started
`Running`	Report actively generating
`Finished`	Complete - downloadLink available
`Canceled`	Report cancelled
`Failed`	Generation failed

Pre-Order Validation

Before BUY - Check Available Funds

#!/bin/bash
# Validate funds before placing a buy order

TICKER="AAPL_US_EQ"
QUANTITY=10
ESTIMATED_PRICE=185.00
ESTIMATED_COST=$(echo "$QUANTITY * $ESTIMATED_PRICE" | bc)

# Get available funds
AVAILABLE=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/account/summary" | jq '.cash.availableToTrade')

echo "Estimated cost: $ESTIMATED_COST"
echo "Available funds: $AVAILABLE"

if (( $(echo "$ESTIMATED_COST > $AVAILABLE" | bc -l) )); then
  echo "ERROR: Insufficient funds"
  exit 1
fi

echo "OK: Funds available, proceeding with order"

Before SELL - Check Available Shares

#!/bin/bash
# Validate position before placing a sell order

TICKER="AAPL_US_EQ"
SELL_QUANTITY=5

# Get position for the ticker
POSITION=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/positions?ticker=$TICKER")

AVAILABLE_QTY=$(echo "$POSITION" | jq '.[0].quantityAvailableForTrading // 0')

echo "Sell quantity: $SELL_QUANTITY"
echo "Available to sell: $AVAILABLE_QTY"

if (( $(echo "$SELL_QUANTITY > $AVAILABLE_QTY" | bc -l) )); then
  echo "ERROR: Insufficient shares (some may be in pies)"
  exit 1
fi

echo "OK: Shares available, proceeding with order"

Rate Limit Handling

Understanding Rate Limits

Rate limits are per-account, not per API key or IP address. If you have multiple applications using the same Trading 212 account, they share the same rate limit pool.

Response Headers

Every API response includes rate limit headers:

Header	Description
`x-ratelimit-limit`	Total requests allowed in period
`x-ratelimit-period`	Time period in seconds
`x-ratelimit-remaining`	Requests remaining
`x-ratelimit-reset`	Unix timestamp when limit resets
`x-ratelimit-used`	Requests already made

Avoid Burst Requests to avoid Rate Limiting

Do not send requests in bursts. Even if an endpoint allows 50 requests per minute, sending them all at once can trigger rate limiting and degrade performance. Pace your requests evenly, for example, by making one call every 1.2 seconds, ensuring you always stay within the limit.

Bad approach (bursting):

# DON'T DO THIS - sends all requests at once
for ticker in AAPL_US_EQ MSFT_US_EQ GOOGL_US_EQ; do
  curl -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL/api/v0/equity/positions?ticker=$ticker" &
done
wait

Good approach (paced):

# DO THIS - space requests evenly
for ticker in AAPL_US_EQ MSFT_US_EQ GOOGL_US_EQ; do
  curl -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL/api/v0/equity/positions?ticker=$ticker"
  sleep 1.2  # 1.2 second between requests for 50 req/m limit
done

Caching Strategy

For data that doesn't change frequently, cache locally to reduce API calls:

#!/bin/bash
# Cache instruments list (changes rarely)

CACHE_FILE="/tmp/t212_instruments.json"
CACHE_MAX_AGE=3600  # 1 hour

if [ -f "$CACHE_FILE" ]; then
  CACHE_AGE=$(($(date +%s) - $(stat -f %m "$CACHE_FILE")))
  if [ "$CACHE_AGE" -lt "$CACHE_MAX_AGE" ]; then
    cat "$CACHE_FILE"
    exit 0
  fi
fi

# Cache expired or doesn't exist - fetch fresh data
curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/metadata/instruments" > "$CACHE_FILE"

cat "$CACHE_FILE"

Safety Guidelines

Test in demo first - Always validate workflows before live trading
Validate before ordering - Check funds (cash.availableToTrade) before buy, positions (quantityAvailableForTrading) before sell
Confirm destructive actions - Order placement and cancellation are irreversible
API is not idempotent - Duplicate requests may create duplicate orders
Never log credentials - Use environment variables
Respect rate limits - Space requests evenly, never burst
Max 50 pending orders - Per ticker, per account
Cache metadata - Instruments and exchanges change rarely

name	trading212-api
description	This skill should be used when the user asks to "connect to Trading 212", "authenticate Trading 212 API", "place a trade", "buy stock", "sell shares", "place market order",, "place pending order", "place limit order", "cancel order", "check my balance", "view account summary", "get positions", "view portfolio", "check P&L", "find ticker symbol", "search instruments", "check trading hours", "view dividends", "get order history", "export transactions", "generate CSV report", or needs guidance on Trading 212 API authentication, order placement, position monitoring, account information, instrument lookup, or historical data retrieval.
license	MIT License
metadata	{"author":"Trading 212","version":"1.0.0"}

Trading 212 API

Note: The Trading 212 API is currently in beta and under active development. Some endpoints or behaviors may change.

Quick Reference

Environments

Environment	Base URL	Purpose
Demo	`https://demo.trading212.com/api/v0`	Paper trading - test without real funds
Live	`https://live.trading212.com/api/v0`	Real money trading

Order Quantity Convention

Positive quantity = BUY (e.g., 10 buys 10 shares)
Negative quantity = SELL (e.g., -10 sells 10 shares)

Account Types

Only Invest and Stocks ISA accounts are supported.

Instrument Identifiers

Trading 212 uses custom tickers as unique identifiers for instruments. Always search for the Trading 212 ticker before making instrument requests.

Authentication

HTTP Basic Auth with API Key (username) and API Secret (password).

Check Existing Setup First

Before guiding the user through authentication setup, check if credentials are already configured:

# Example: configured if any complete credential set exists
if [ -n "$T212_AUTH_HEADER" ] && [ -n "$T212_BASE_URL" ]; then
  echo "Configured (derived vars)"
elif [ -n "$T212_API_KEY" ] && [ -n "$T212_API_SECRET" ]; then
  echo "Configured (single account)"
elif [ -n "$T212_API_KEY_INVEST" ] && [ -n "$T212_API_SECRET_INVEST" ]; then
  echo "Configured (Invest); Stocks ISA also if T212_API_KEY_STOCKS_ISA and T212_API_SECRET_STOCKS_ISA are set"
elif [ -n "$T212_API_KEY_STOCKS_ISA" ] && [ -n "$T212_API_SECRET_STOCKS_ISA" ]; then
  echo "Configured (Stocks ISA); Invest also if T212_API_KEY_INVEST and T212_API_SECRET_INVEST are set"
else
  echo "No complete credential set found"
fi

Important: Before making any API calls, always ask the user which environment they want to use: LIVE (real money) or DEMO (paper trading). Do not assume the environment.

API Keys Are Environment-Specific

API keys are tied to a specific environment and cannot be used across environments.

API Key Created In	Works With	Does NOT Work With
LIVE account	`live.trading212.com`	`demo.trading212.com`
DEMO account	`demo.trading212.com`	`live.trading212.com`

If you get a 401 error, verify that:

You're using the correct API key for the target environment
The API key was generated in the same environment (LIVE or DEMO) you're trying to access

Get Credentials

Decide which environment to use - LIVE (real money) or DEMO (paper trading)
Open Trading 212 app (mobile or web)
Switch to the correct account - Make sure you're in LIVE or DEMO mode matching your target environment
Navigate to Settings > API
Generate a new API key pair - you'll receive:
- API Key (ID) (e.g., 35839398ZFVKUxpHzPiVsxKdOtZdaDJSrvyPF)
- API Secret (e.g., 7MOzYJlVJgxoPjdZJCEH3fO9ee7A0NzLylFFD4-3tlo)
Store the credentials separately for each environment if you use both

Building the Auth Header

Combine your API Key (ID) and Secret with a colon, base64 encode, and prefix with Basic for the Authorization header.

Optional: To precompute the header from key/secret, you can set:

export T212_AUTH_HEADER="Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64)"

Otherwise, the agent builds the header from T212_API_KEY and T212_API_SECRET when making requests.

Manual (placeholders):

# Format: T212_AUTH_HEADER = "Basic " + base64(API_KEY_ID:API_SECRET)
export T212_AUTH_HEADER="Basic $(echo -n "<YOUR_API_KEY_ID>:<YOUR_API_SECRET>" | base64)"

# Example with sample credentials:
export T212_AUTH_HEADER="Basic $(echo -n "35839398ZFVKUxpHzPiVsxKdOtZdaDJSrvyPF:7MOzYJlVJgxoPjdZJCEH3fO9ee7A0NzLylFFD4-3tlo" | base64)"

Making Requests

When making API calls, use the first option that applies (semantically: pick the credential set that matches the user's account, or the only set present):

If T212_AUTH_HEADER and T212_BASE_URL are set: use them in requests.
Else if T212_API_KEY and T212_API_SECRET are set: use this pair (single account). Build header as Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64) and base URL as https://${T212_ENV:-live}.trading212.com. Do not guide the user to derive or merge; you do it.
Else if both account-specific pairs are set (T212_API_KEY_INVEST/T212_API_SECRET_INVEST and T212_API_KEY_STOCKS_ISA/T212_API_SECRET_STOCKS_ISA): the user must clearly specify which account to target (Invest or Stocks ISA), unless they ask for information for all accounts. Use the Invest pair when the user refers to Invest, and the Stocks ISA pair when the user refers to ISA/Stocks ISA. If the user wants information for all accounts, make multiple API calls—one per account (Invest and Stocks ISA)—and present or aggregate the results for both. If it is not clear from context which account to use (and they did not ask for all accounts), ask for confirmation before making API calls (e.g. "Which account should I use — Invest or Stocks ISA?"). Do not assume. Build the header from the chosen key/secret and base URL as https://${T212_ENV:-live}.trading212.com.
Else if only the Invest pair is set (T212_API_KEY_INVEST and T212_API_SECRET_INVEST): use this pair for requests; if the user asks about Stocks ISA, only the Invest account is configured.
Else if only the Stocks ISA pair is set (T212_API_KEY_STOCKS_ISA and T212_API_SECRET_STOCKS_ISA): use this pair for requests; if the user asks about Invest, only the Stocks ISA account is configured.

Use the T212_AUTH_HEADER value in the Authorization header when it is set:

# When T212_AUTH_HEADER and T212_BASE_URL are set:
curl -H "Authorization: $T212_AUTH_HEADER" \
  "${T212_BASE_URL}/api/v0/equity/account/summary"

When only primary vars are set, use the inline form in the curl:

# When only T212_API_KEY, T212_API_SECRET, T212_ENV are set:
curl -H "Authorization: Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64)" \
  "https://${T212_ENV:-live}.trading212.com/api/v0/equity/account/summary"

Warning: T212_AUTH_HEADER must be the full header value including the Basic prefix.

# WRONG - raw base64 without "Basic " prefix
curl -H "Authorization: <base64-only>" ...  # This will NOT work!

# CORRECT - use T212_AUTH_HEADER (contains "Basic <base64>")
curl -H "Authorization: $T212_AUTH_HEADER" ...  # This works

Environment Variables

Primary (single account): Set these for consistent setup with the plugin README:

export T212_API_KEY="your-api-key"       # API Key (ID) from Trading 212
export T212_API_SECRET="your-api-secret"
export T212_ENV="demo"                   # or "live" (defaults to "live" if unset)

Account-specific (Invest and/or Stocks ISA): Set only the pair(s) you use. One complete set (key + secret for the same account) is enough. For example, only Invest:

export T212_API_KEY_INVEST="your-invest-api-key"
export T212_API_SECRET_INVEST="your-invest-api-secret"
export T212_ENV="demo"                   # or "live"

For both accounts, set both pairs:

export T212_API_KEY_INVEST="your-invest-api-key"
export T212_API_SECRET_INVEST="your-invest-api-secret"
export T212_API_KEY_STOCKS_ISA="your-stocks-isa-api-key"
export T212_API_SECRET_STOCKS_ISA="your-stocks-isa-api-secret"
export T212_ENV="demo"                   # or "live" (applies to both)

# Build auth header and base URL from T212_API_KEY, T212_API_SECRET, T212_ENV
export T212_AUTH_HEADER="Basic $(echo -n "$T212_API_KEY:$T212_API_SECRET" | base64)"
export T212_BASE_URL="https://${T212_ENV:-live}.trading212.com"

Alternative (manual): If you prefer not to store key/secret in env, set derived vars directly. Remember: API keys only work with their matching environment.

# For DEMO (paper trading)
export T212_AUTH_HEADER="Basic $(echo -n "<DEMO_API_KEY_ID>:<DEMO_API_SECRET>" | base64)"
export T212_BASE_URL="https://demo.trading212.com"

# For LIVE (real money) - generate separate credentials in LIVE account
# export T212_AUTH_HEADER="Basic $(echo -n "<LIVE_API_KEY_ID>:<LIVE_API_SECRET>" | base64)"
# export T212_BASE_URL="https://live.trading212.com"

Tip: If you use both environments, use separate variable names:

# Demo credentials
export T212_DEMO_AUTH_HEADER="Basic $(echo -n "<DEMO_KEY_ID>:<DEMO_SECRET>" | base64)"

# Live credentials
export T212_LIVE_AUTH_HEADER="Basic $(echo -n "<LIVE_KEY_ID>:<LIVE_SECRET>" | base64)"

Common Auth Errors

Code	Cause	Solution
401	Invalid credentials	Check API key/secret, ensure no extra whitespace
401	Environment mismatch	LIVE API keys don't work with DEMO and vice versa - verify key matches target environment
403	Missing permissions	Check API permissions in Trading 212 settings
408	Request timed out	Retry the request
429	Rate limit exceeded	Wait for `x-ratelimit-reset` timestamp

Account

Get Account Summary

GET /api/v0/equity/account/summary (1 req/5s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/account/summary"

Response Schema:

{
  "id": 12345678,
  "currency": "GBP",
  "totalValue": 15250.75,
  "cash": {
    "availableToTrade": 2500.5,
    "reservedForOrders": 150.0,
    "inPies": 500.0
  },
  "investments": {
    "currentValue": 12100.25,
    "totalCost": 10500.0,
    "realizedProfitLoss": 850.5,
    "unrealizedProfitLoss": 1600.25
  }
}

Account Fields

Field	Type	Description
`id`	integer	Primary trading account number
`currency`	string	Primary account currency (ISO 4217)
`totalValue`	number	Total account value in primary currency
`cash.availableToTrade`	number	Funds available for investing
`cash.reservedForOrders`	number	Cash reserved for pending orders
`cash.inPies`	number	Uninvested cash inside pies
`investments.currentValue`	number	Current value of all investments
`investments.totalCost`	number	Cost basis of current investments
`investments.realizedProfitLoss`	number	All-time realized P&L
`investments.unrealizedProfitLoss`	number	Potential P&L if sold now

Orders

Order Types

Type	Endpoint	Availability	Description
Market	`/api/v0/equity/orders/market`	Demo + Live	Execute immediately at best price
Limit	`/api/v0/equity/orders/limit`	Demo + Live	Execute at limit price or better
Stop	`/api/v0/equity/orders/stop`	Demo + Live	Market order when stop price reached
StopLimit	`/api/v0/equity/orders/stop_limit`	Demo + Live	Limit order when stop price reached

Order Statuses

Status	Description
`LOCAL`	Order created locally, not yet sent
`UNCONFIRMED`	Sent to exchange, awaiting confirmation
`CONFIRMED`	Confirmed by exchange
`NEW`	Active and awaiting execution
`CANCELLING`	Cancel request in progress
`CANCELLED`	Successfully cancelled
`PARTIALLY_FILLED`	Some shares executed
`FILLED`	Completely executed
`REJECTED`	Rejected by exchange
`REPLACING`	Modification in progress
`REPLACED`	Successfully modified

Time Validity

Value	Description
`DAY`	Expires at midnight in exchange timezone
`GOOD_TILL_CANCEL`	Active until filled or cancelled (default)

Order Strategy

Value	Description
`QUANTITY`	Order by number of shares (API supported)
`VALUE`	Order by monetary value (not supported via API)

Initiated From

Value	Description
`API`	Placed via this API
`IOS`	iOS app
`ANDROID`	Android app
`WEB`	Web platform
`SYSTEM`	System-generated
`AUTOINVEST`	Autoinvest feature

Place Market Order

POST /api/v0/equity/orders/market (50 req/min)

# Buy 5 shares
curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/market" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": 5}'

# Sell 3 shares (negative quantity)
curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/market" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": -3}'

# Buy with extended hours enabled
curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/market" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": 5, "extendedHours": true}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker (e.g., `AAPL_US_EQ`)
`quantity`	number	Yes	Positive for buy, negative for sell
`extendedHours`	boolean	No	Set `true` to allow execution in pre-market (4:00-9:30 ET) and after-hours (16:00-20:00 ET) sessions. Default: `false`

Response:

{
  "id": 123456789,
  "type": "MARKET",
  "ticker": "AAPL_US_EQ",
  "instrument": {
    "ticker": "AAPL_US_EQ",
    "name": "Apple Inc",
    "isin": "US0378331005",
    "currency": "USD"
  },
  "quantity": 5,
  "filledQuantity": 0,
  "status": "NEW",
  "side": "BUY",
  "strategy": "QUANTITY",
  "initiatedFrom": "API",
  "extendedHours": false,
  "createdAt": "2024-01-15T10:30:00Z"
}

Place Limit Order

POST /api/v0/equity/orders/limit (1 req/2s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/limit" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": 5, "limitPrice": 150.00, "timeValidity": "DAY"}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker
`quantity`	number	Yes	Positive for buy, negative for sell
`limitPrice`	number	Yes	Maximum price for buy, minimum for sell
`timeValidity`	string	No	`DAY` (default) or `GOOD_TILL_CANCEL`

Place Stop Order

POST /api/v0/equity/orders/stop (1 req/2s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/stop" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": -5, "stopPrice": 140.00, "timeValidity": "GOOD_TILL_CANCEL"}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker
`quantity`	number	Yes	Positive for buy, negative for sell
`stopPrice`	number	Yes	Trigger price (based on Last Traded Price)
`timeValidity`	string	No	`DAY` (default) or `GOOD_TILL_CANCEL`

Place Stop-Limit Order

POST /api/v0/equity/orders/stop_limit (1 req/2s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/orders/stop_limit" \
  -d '{"ticker": "AAPL_US_EQ", "quantity": -5, "stopPrice": 145.00, "limitPrice": 140.00, "timeValidity": "DAY"}'

Request Fields:

Field	Type	Required	Description
`ticker`	string	Yes	Instrument ticker
`quantity`	number	Yes	Positive for buy, negative for sell
`stopPrice`	number	Yes	Trigger price to activate limit order
`limitPrice`	number	Yes	Limit price for the resulting order
`timeValidity`	string	No	`DAY` (default) or `GOOD_TILL_CANCEL`

Get Pending Orders

GET /api/v0/equity/orders (1 req/5s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/orders"

Returns array of Order objects with status NEW, PARTIALLY_FILLED, etc.

Get Order by ID

GET /api/v0/equity/orders/{id} (1 req/1s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/orders/123456789"

Cancel Order

DELETE /api/v0/equity/orders/{id} (50 req/min)

curl -X DELETE -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/orders/123456789"

Returns 200 OK if cancellation request accepted. Order may already be filled.

Common Order Errors

Error	Cause	Solution
`InsufficientFreeForStocksBuy`	Not enough cash	Check `cash.availableToTrade`
`SellingEquityNotOwned`	Selling more than owned	Check `quantityAvailableForTrading`
`MarketClosed`	Outside trading hours	Check exchange schedule

Positions

Get All Positions

GET /api/v0/equity/positions (1 req/1s)

Query Parameters:

Parameter	Type	Required	Description
`ticker`	string	No	Filter by specific ticker (e.g., `AAPL_US_EQ`)

# All positions
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/positions"

# Filter by ticker
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/positions?ticker=AAPL_US_EQ"

Response Schema:

[
  {
    "instrument": {
      "ticker": "AAPL_US_EQ",
      "name": "Apple Inc",
      "isin": "US0378331005",
      "currency": "USD"
    },
    "quantity": 15.5,
    "quantityAvailableForTrading": 12.5,
    "quantityInPies": 3,
    "currentPrice": 185.5,
    "averagePricePaid": 170.25,
    "createdAt": "2024-01-10T09:15:00Z",
    "walletImpact": {
      "currency": "GBP",
      "totalCost": 2089.45,
      "currentValue": 2275.1,
      "unrealizedProfitLoss": 185.65,
      "fxImpact": 12.3
    }
  }
]

Position Fields

Field	Type	Description
`quantity`	number	Total shares owned
`quantityAvailableForTrading`	number	Shares available to sell
`quantityInPies`	number	Shares allocated to pies
`currentPrice`	number	Current price (instrument currency)
`averagePricePaid`	number	Average cost per share
`createdAt`	datetime	Position open date
`walletImpact.currency`	string	Account currency
`walletImpact.totalCost`	number	Total cost in account currency
`walletImpact.currentValue`	number	Current value in account currency
`walletImpact.unrealizedProfitLoss`	number	P&L in account currency
`walletImpact.fxImpact`	number	Currency rate impact on value

Position Quantity Scenarios

Scenario	quantity	quantityAvailableForTrading	quantityInPies
All direct holdings	10	10	0
Some in pie	10	7	3
All in pie	10	0	10

Important: Always check quantityAvailableForTrading before placing sell orders.

Instruments

Ticker Lookup Workflow

CACHE FIRST: Always check /tmp/t212_instruments.json before calling the API. The instruments endpoint has a 50-second rate limit and returns ~5MB. Only call the API if cache is missing or older than 1 hour.

IMPORTANT: Never auto-select instruments. If multiple options exist, you are required to ask the user for their preference.

# SEARCH_TERM = user query (e.g. TSLA, Tesla, AAPL, SAP)
SEARCH_TERM="TSLA"
CACHE_FILE="/tmp/t212_instruments.json"
if [ -f "$CACHE_FILE" ] && [ $(($(date +%s) - $(stat -f %m "$CACHE_FILE" 2>/dev/null || stat -c %Y "$CACHE_FILE"))) -lt 3600 ]; then
  # Search ticker, name, or shortName fields
  jq --arg q "$SEARCH_TERM" '[.[] | select((.ticker // "" | test($q; "i")) or (.name // "" | test($q; "i")) or (.shortName // "" | test($q; "i")))]' "$CACHE_FILE"
else
  curl -s -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL/api/v0/equity/metadata/instruments" > "$CACHE_FILE"
fi

Get All Instruments

GET /api/v0/equity/metadata/instruments (1 req/50s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/metadata/instruments"

Response Schema:

[
  {
    "ticker": "AAPL_US_EQ",
    "name": "Apple Inc",
    "shortName": "AAPL",
    "isin": "US0378331005",
    "currencyCode": "USD",
    "type": "STOCK",
    "maxOpenQuantity": 10000,
    "extendedHours": true,
    "workingScheduleId": 123,
    "addedOn": "2020-01-15T00:00:00Z"
  }
]

Instrument Fields

Field	Type	Description
`ticker`	string	Unique instrument identifier
`name`	string	Full instrument name
`shortName`	string	Short symbol (e.g., AAPL)
`isin`	string	International Securities ID
`currencyCode`	string	Trading currency (ISO 4217)
`type`	string	Instrument type (see below)
`maxOpenQuantity`	number	Maximum position size allowed
`extendedHours`	boolean	Whether extended hours trading is available
`workingScheduleId`	integer	Reference to exchange schedule
`addedOn`	datetime	When added to platform

Instrument Types

Type	Description
`STOCK`	Common stock
`ETF`	Exchange-traded fund
`CRYPTOCURRENCY`	Cryptocurrency
`CRYPTO`	Crypto asset
`FOREX`	Foreign exchange
`FUTURES`	Futures contract
`INDEX`	Index
`WARRANT`	Warrant
`CVR`	Contingent value right
`CORPACT`	Corporate action

Ticker Format

{SYMBOL}_{EXCHANGE}_{TYPE} - Examples:

AAPL_US_EQ - Apple on US exchange
VUSA_LSE_EQ - Vanguard S&P 500 on London
BTC_CRYPTO - Bitcoin

Get Exchange Metadata

GET /api/v0/equity/metadata/exchanges (1 req/30s)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/metadata/exchanges"

Response Schema:

[
  {
    "id": 123,
    "name": "NASDAQ",
    "workingSchedules": [
      {
        "id": 456,
        "timeEvents": [
          { "type": "PRE_MARKET_OPEN", "date": "2024-01-15T09:00:00Z" },
          { "type": "OPEN", "date": "2024-01-15T14:30:00Z" },
          { "type": "CLOSE", "date": "2024-01-15T21:00:00Z" },
          { "type": "AFTER_HOURS_CLOSE", "date": "2024-01-15T01:00:00Z" }
        ]
      }
    ]
  }
]

Time Event Types

Type	Description
`PRE_MARKET_OPEN`	Pre-market session starts
`OPEN`	Regular trading starts
`BREAK_START`	Trading break begins
`BREAK_END`	Trading break ends
`CLOSE`	Regular trading ends
`AFTER_HOURS_OPEN`	After-hours session starts
`AFTER_HOURS_CLOSE`	After-hours session ends
`OVERNIGHT_OPEN`	Overnight session starts

Historical Data

All historical endpoints use cursor-based pagination with nextPagePath.

Pagination Parameters

Parameter	Type	Default	Max	Description
`limit`	integer	20	50	Items per page
`cursor`	string/number	-	-	Pagination cursor (used in `nextPagePath`)
`ticker`	string	-	-	Filter by ticker (orders, dividends)
`time`	datetime	-	-	Pagination time (used in `nextPagePath` for transactions)

Pagination Example

#!/bin/bash
# Fetch all historical orders with pagination

NEXT_PATH="/api/v0/equity/history/orders?limit=50"

while [ -n "$NEXT_PATH" ]; do
  echo "Fetching: $NEXT_PATH"

  RESPONSE=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL$NEXT_PATH")

  # Process items (e.g., save to file)
  echo "$RESPONSE" | jq '.items[]' >> orders.json

  # Get next page path (null if no more pages)
  NEXT_PATH=$(echo "$RESPONSE" | jq -r '.nextPagePath // empty')

  # Wait 1 second between requests (50 req/min limit)
  if [ -n "$NEXT_PATH" ]; then
    sleep 1
  fi
done

echo "Done fetching all orders"

Historical Orders

GET /api/v0/equity/history/orders (50 req/min)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/orders?limit=50"

# Filter by ticker
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/orders?ticker=AAPL_US_EQ&limit=50"

Response Schema:

{
  "items": [
    {
      "order": {
        "id": 123456789,
        "type": "MARKET",
        "ticker": "AAPL_US_EQ",
        "instrument": {
          "ticker": "AAPL_US_EQ",
          "name": "Apple Inc",
          "isin": "US0378331005",
          "currency": "USD"
        },
        "quantity": 5,
        "filledQuantity": 5,
        "status": "FILLED",
        "side": "BUY",
        "createdAt": "2024-01-15T10:30:00Z"
      },
      "fill": {
        "id": 987654321,
        "type": "TRADE",
        "quantity": 5,
        "price": 185.5,
        "filledAt": "2024-01-15T10:30:05Z",
        "tradingMethod": "TOTV",
        "walletImpact": {
          "currency": "GBP",
          "fxRate": 0.79,
          "netValue": 732.72,
          "realisedProfitLoss": 0,
          "taxes": [
            { "name": "STAMP_DUTY", "quantity": 3.66, "currency": "GBP" }
          ]
        }
      }
    }
  ],
  "nextPagePath": "/api/v0/equity/history/orders?limit=50&cursor=1705326600000"
}

Fill Types

Type	Description
`TRADE`	Regular trade execution
`STOCK_SPLIT`	Stock split adjustment
`STOCK_DISTRIBUTION`	Stock distribution
`FOP`	Free of payment transfer
`FOP_CORRECTION`	FOP correction
`CUSTOM_STOCK_DISTRIBUTION`	Custom stock distribution
`EQUITY_RIGHTS`	Equity rights issue

Trading Methods

Method	Description
`TOTV`	Traded on trading venue
`OTC`	Over-the-counter

Tax Types (walletImpact.taxes)

Type	Description
`COMMISSION_TURNOVER`	Commission on turnover
`CURRENCY_CONVERSION_FEE`	FX conversion fee
`FINRA_FEE`	FINRA trading activity fee
`FRENCH_TRANSACTION_TAX`	French FTT
`PTM_LEVY`	Panel on Takeovers levy
`STAMP_DUTY`	UK stamp duty
`STAMP_DUTY_RESERVE_TAX`	UK SDRT
`TRANSACTION_FEE`	General transaction fee

Historical Dividends

GET /api/v0/equity/history/dividends (50 req/min)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/dividends?limit=50"

# Filter by ticker
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/dividends?ticker=AAPL_US_EQ&limit=50"

Response Schema:

{
  "items": [
    {
      "ticker": "AAPL_US_EQ",
      "instrument": {
        "ticker": "AAPL_US_EQ",
        "name": "Apple Inc",
        "isin": "US0378331005",
        "currency": "USD"
      },
      "type": "ORDINARY",
      "amount": 12.5,
      "amountInEuro": 14.7,
      "currency": "GBP",
      "tickerCurrency": "USD",
      "grossAmountPerShare": 0.24,
      "quantity": 65.5,
      "paidOn": "2024-02-15T00:00:00Z",
      "reference": "DIV-123456"
    }
  ],
  "nextPagePath": null
}

Dividend Types (Common)

Type	Description
`ORDINARY`	Regular dividend
`BONUS`	Bonus dividend
`INTEREST`	Interest payment
`DIVIDEND`	Generic dividend
`CAPITAL_GAINS`	Capital gains distribution
`RETURN_OF_CAPITAL`	Return of capital
`PROPERTY_INCOME`	Property income (REITs)
`DEMERGER`	Demerger distribution
`QUALIFIED_INVESTMENT_ENTITY`	QIE distribution
`TRUST_DISTRIBUTION`	Trust distribution

Note: Many additional US tax-specific types exist for 1042-S reporting.

Account Transactions

GET /api/v0/equity/history/transactions (50 req/min)

Pagination:

First request: Must use only the limit parameter (no cursor, no timestamp)
Subsequent requests: Use the nextPagePath from the previous response, which includes cursor and timestamp automatically
Time filtering: Transactions cannot be filtered by time - pagination is the only way to navigate through historical data

# First request - use only limit
curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/transactions?limit=50"

Response Schema:

{
  "items": [
    {
      "type": "DEPOSIT",
      "amount": 1000.0,
      "currency": "GBP",
      "dateTime": "2024-01-10T14:30:00Z",
      "reference": "TXN-123456"
    }
  ],
  "nextPagePath": null
}

Transaction Types

Type	Description
`DEPOSIT`	Funds deposited to account
`WITHDRAW`	Funds withdrawn from account
`FEE`	Fee charged
`TRANSFER`	Internal transfer

CSV Reports

Request report: POST /api/v0/equity/history/exports (1 req/30s)

curl -X POST -H "Authorization: $T212_AUTH_HEADER" \
  -H "Content-Type: application/json" \
  "$T212_BASE_URL/api/v0/equity/history/exports" \
  -d '{
    "dataIncluded": {
      "includeDividends": true,
      "includeInterest": true,
      "includeOrders": true,
      "includeTransactions": true
    },
    "timeFrom": "2024-01-01T00:00:00Z",
    "timeTo": "2024-12-31T23:59:59Z"
  }'

Response:

{
  "reportId": 12345
}

Poll for completion: GET /api/v0/equity/history/exports (1 req/min)

curl -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/exports"

Response:

[
  {
    "reportId": 12345,
    "status": "Finished",
    "dataIncluded": {
      "includeDividends": true,
      "includeInterest": true,
      "includeOrders": true,
      "includeTransactions": true
    },
    "timeFrom": "2024-01-01T00:00:00Z",
    "timeTo": "2024-12-31T23:59:59Z",
    "downloadLink": "https://trading212-reports.s3.amazonaws.com/..."
  }
]

Download the report:

# Get the download link from the response
DOWNLOAD_URL=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/history/exports" | jq -r '.[0].downloadLink')

# Download the CSV file
curl -o trading212_report.csv "$DOWNLOAD_URL"

Report Status Values

Status	Description
`Queued`	Report request received
`Processing`	Report generation started
`Running`	Report actively generating
`Finished`	Complete - downloadLink available
`Canceled`	Report cancelled
`Failed`	Generation failed

Pre-Order Validation

Before BUY - Check Available Funds

#!/bin/bash
# Validate funds before placing a buy order

TICKER="AAPL_US_EQ"
QUANTITY=10
ESTIMATED_PRICE=185.00
ESTIMATED_COST=$(echo "$QUANTITY * $ESTIMATED_PRICE" | bc)

# Get available funds
AVAILABLE=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/account/summary" | jq '.cash.availableToTrade')

echo "Estimated cost: $ESTIMATED_COST"
echo "Available funds: $AVAILABLE"

if (( $(echo "$ESTIMATED_COST > $AVAILABLE" | bc -l) )); then
  echo "ERROR: Insufficient funds"
  exit 1
fi

echo "OK: Funds available, proceeding with order"

Before SELL - Check Available Shares

#!/bin/bash
# Validate position before placing a sell order

TICKER="AAPL_US_EQ"
SELL_QUANTITY=5

# Get position for the ticker
POSITION=$(curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/positions?ticker=$TICKER")

AVAILABLE_QTY=$(echo "$POSITION" | jq '.[0].quantityAvailableForTrading // 0')

echo "Sell quantity: $SELL_QUANTITY"
echo "Available to sell: $AVAILABLE_QTY"

if (( $(echo "$SELL_QUANTITY > $AVAILABLE_QTY" | bc -l) )); then
  echo "ERROR: Insufficient shares (some may be in pies)"
  exit 1
fi

echo "OK: Shares available, proceeding with order"

Rate Limit Handling

Understanding Rate Limits

Rate limits are per-account, not per API key or IP address. If you have multiple applications using the same Trading 212 account, they share the same rate limit pool.

Response Headers

Every API response includes rate limit headers:

Header	Description
`x-ratelimit-limit`	Total requests allowed in period
`x-ratelimit-period`	Time period in seconds
`x-ratelimit-remaining`	Requests remaining
`x-ratelimit-reset`	Unix timestamp when limit resets
`x-ratelimit-used`	Requests already made

Avoid Burst Requests to avoid Rate Limiting

Bad approach (bursting):

# DON'T DO THIS - sends all requests at once
for ticker in AAPL_US_EQ MSFT_US_EQ GOOGL_US_EQ; do
  curl -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL/api/v0/equity/positions?ticker=$ticker" &
done
wait

Good approach (paced):

# DO THIS - space requests evenly
for ticker in AAPL_US_EQ MSFT_US_EQ GOOGL_US_EQ; do
  curl -H "Authorization: $T212_AUTH_HEADER" \
    "$T212_BASE_URL/api/v0/equity/positions?ticker=$ticker"
  sleep 1.2  # 1.2 second between requests for 50 req/m limit
done

Caching Strategy

For data that doesn't change frequently, cache locally to reduce API calls:

#!/bin/bash
# Cache instruments list (changes rarely)

CACHE_FILE="/tmp/t212_instruments.json"
CACHE_MAX_AGE=3600  # 1 hour

if [ -f "$CACHE_FILE" ]; then
  CACHE_AGE=$(($(date +%s) - $(stat -f %m "$CACHE_FILE")))
  if [ "$CACHE_AGE" -lt "$CACHE_MAX_AGE" ]; then
    cat "$CACHE_FILE"
    exit 0
  fi
fi

# Cache expired or doesn't exist - fetch fresh data
curl -s -H "Authorization: $T212_AUTH_HEADER" \
  "$T212_BASE_URL/api/v0/equity/metadata/instruments" > "$CACHE_FILE"

cat "$CACHE_FILE"

Safety Guidelines

Test in demo first - Always validate workflows before live trading
Validate before ordering - Check funds (cash.availableToTrade) before buy, positions (quantityAvailableForTrading) before sell
Confirm destructive actions - Order placement and cancellation are irreversible
API is not idempotent - Duplicate requests may create duplicate orders
Never log credentials - Use environment variables
Respect rate limits - Space requests evenly, never burst
Max 50 pending orders - Per ticker, per account
Cache metadata - Instruments and exchanges change rarely