Need to buy something from Amazon? Search and shop on Amazon.com — compare prices and ratings, add items to cart, and place real orders shipped to any US address. A simple e-commerce shopping API for AI agents.
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Need to buy something from Amazon? Search and shop on Amazon.com — compare prices and ratings, add items to cart, and place real orders shipped to any US address. A simple e-commerce shopping API for AI agents.
[{"name":"BUYSTUFF_AGENT_ID","required":false,"description":"Optional identifier for your agent, used to track orders. If omitted, orders are anonymous."}]
data_sent
[{"field":"shipping address","destination":"https://buystuff.ai","purpose":"Required to fulfill the Amazon order. Stored only for order processing."},{"field":"email address","destination":"https://buystuff.ai","purpose":"Receives a payment link that the user must manually approve and pay. No automatic charges. Not shared beyond buystuff.ai and Amazon fulfillment."},{"field":"agentId","destination":"https://buystuff.ai","purpose":"Optional agent identifier for order tracking. Not shared beyond buystuff.ai."}]
permissions
[{"network":"https://buystuff.ai","reason":"All API calls go to buystuff.ai, which uses the Rainforest API (an authorized Amazon product data provider) for search and product details. buystuff.ai handles cart, checkout, and payment link delivery. No direct Amazon credentials are used or needed."}]
When to Use This Skill
Activate this skill when your user wants to:
Buy something — "buy me headphones," "order a birthday gift," "I need a new keyboard"
Shop on Amazon — "find me something on Amazon," "what's a good laptop stand?"
Compare products — "what are the best wireless earbuds under $50?"
Send a gift — "order a gift for my mom," "buy something nice for under $30"
Reorder or track — "where's my order?" "check on order AC-047"
If the user mentions buying, ordering, shopping, gifting, or purchasing — this is your skill.
How It Works (The Short Version)
Search Amazon → add products to cart → checkout with a shipping address and email → request payment link → done. The user gets an email with a payment link. They pay on their own, we ship. No money is charged through this API.
All API calls go to https://buystuff.ai — one endpoint, no setup, no API keys needed. Product data is sourced from Amazon via Rainforest API, an authorized Amazon data provider.
Sessions
Every API response includes an X-Session-ID header and a sessionId field in the JSON body. Save this session ID and send it as an X-Session-ID header on all subsequent requests. This lets you:
Add multiple products to the same cart
View your active cart without remembering the cart ID
Maintain continuity across the entire shopping flow
# First request — get a session ID from the response
curl "https://buystuff.ai/search?q=earbuds"# Response header: X-Session-ID: ses_abc123...# Response body includes: "sessionId": "ses_abc123..."# All subsequent requests — send it back
curl -H "X-Session-ID: ses_abc123...""https://buystuff.ai/search?q=yoga+mat"
curl -H "X-Session-ID: ses_abc123..." -X POST https://buystuff.ai/cart -d '{"asin":"B09F5RKG8P"}'
If you don't send a session ID, a new one is auto-created on each request. Each session has one active cart at a time — after requesting a payment link, the next POST /cart starts a fresh cart.
Payment Model
No payment info is collected through this API. Zero credit cards, zero tokens, zero wallets.
When the user is ready, the agent requests a payment link. buystuff.ai emails the user a secure payment link. They click, pay on buystuff.ai (not through this API), and we handle the rest — purchase from Amazon, ship to their door. No payment is ever processed through this skill.
Service fee: 10% of (subtotal + shipping)
Payment: User gets an email with a payment link — not through this API
Fulfillment: Once paid, we buy from Amazon and ship within 24-48 hours
Always show the full price breakdown before requesting the payment link.
Data Handling
All API calls go to https://buystuff.ai. Product data is sourced via Rainforest API, an authorized Amazon product data provider. Shipping details are shared with Amazon only for order fulfillment. No data is sold or shared with other third parties.
Data
When
Purpose
Search queries
Step 1
Find products (no PII)
Shipping address
Step 4
Deliver the order
Email
Step 4
Send payment link + updates
Agent ID (optional)
Step 4
Track your agent's orders
Safety: No Money Charged Through This API
This skill cannot charge money or complete purchases. It only generates a payment link email. The user must independently open the email, review the order, and pay on buystuff.ai — completely outside this API.
You MUST get explicit user approval before requesting the payment link (Step 5). Show the price breakdown, wait for "yes." Even if the agent calls the endpoint without asking, the worst outcome is the user receives a payment link email they can simply ignore — no money is charged, no purchase is made.
Save the cartId from the response — you need it for checkout.
Multi-item carts: Call POST /cart again with the same session to add more products to the same cart. If you add the same ASIN twice, the quantity is combined.
View the current cart (without needing the cartId):
When status is SHIPPED, there will be a trackingNumber — share it with the user.
Example: Buying Earbuds
User: Find me wireless earbuds under $50
Agent: Here are the top wireless earbuds under $50 on Amazon:
1. 🏆 Sony WF-C500 — $38.00 ⭐4.5 (12,420 reviews) ✓Prime
2. JBL Tune 130NC — $49.95 ⭐4.3 (8,200 reviews) ✓Prime
3. Soundcore A20i — $29.99 ⭐4.4 (45,000 reviews) ✓Prime
All three have Prime (free shipping). The Sony has the best rating, and the Soundcore has the most reviews. Want details on any of these?
User: Get the Sony ones. Ship to John Doe, 123 Main St, San Francisco CA 94105. Email is john@example.com
Agent: Here's your order:
Sony WF-C500 Wireless Earbuds $38.00
Shipping (Prime) FREE
Service fee (10%) $3.80
─────────────────────────────────
Total $41.80
Ship to: John Doe, 123 Main St, San Francisco, CA 94105
Ready to confirm?
User: Yes!
Agent: Done! Order #AC-MLLZVLMB-001 is confirmed. 🎉
We've sent a payment link to john@example.com — just click, pay, and we'll ship within 24-48 hours.
Example: Birthday Gift
User: I need a birthday gift for my sister, she's into yoga. Budget is $30.
Agent: Here are some great yoga gifts under $30 on Amazon:
1. Manduka eKO Yoga Mat Towel — $24.99 ⭐4.6 (3,200 reviews) ✓Prime
2. Yoga Wheel Set (3-pack) — $27.95 ⭐4.5 (8,100 reviews) ✓Prime
3. Essential Oils Gift Set — $19.99 ⭐4.4 (22,000 reviews) ✓Prime 🔥Deal
The essential oils set is on sale and fits your budget with room to spare. The yoga wheel set is really popular. Want to see details on any?
User: The yoga wheel set! Ship to Sarah Chen, 456 Oak Ave, Austin TX 78701. My email is mike@example.com
Agent: Perfect gift choice! Here's the summary:
Yoga Wheel Set (3-pack) $27.95
Shipping (Prime) FREE
Service fee (10%) $2.80
─────────────────────────────────
Total $30.75
Ship to: Sarah Chen, 456 Oak Ave, Austin, TX 78701
Confirm?
User: Do it
Agent: Order #AC-MLLZVLMB-002 confirmed! 🎁
Payment link sent to mike@example.com. Pay and we'll have it shipped to Sarah within 24-48 hours. Happy birthday to your sister!
Example: Multi-Item Order
User: I need a wireless mouse and a mousepad for my new desk setup.
Agent: Let me search for both! Here's what I found:
Wireless mice:
1. Logitech M185 — $12.99 ⭐4.5 (75,000 reviews) ✓Prime
2. Logitech Pebble 2 — $24.99 ⭐4.6 (15,000 reviews) ✓Prime
Mousepads:
1. SteelSeries QcK — $9.49 ⭐4.7 (90,000 reviews) ✓Prime
2. Corsair MM350 — $14.99 ⭐4.6 (12,000 reviews) ✓Prime
User: Get the Logitech M185 and the SteelSeries mousepad.
Agent: Added both to your cart:
Logitech M185 Wireless Mouse $12.99
SteelSeries QcK Mousepad $9.49
Shipping $5.99
Service fee (10%) $2.85
─────────────────────────────────
Total $31.32
Where should I ship them? And what email for the payment link?
User: Ship to Alex Kim, 789 Pine St, Seattle WA 98101. Email alex@example.com
Agent: Here's the final summary:
2 items → $31.32 total
Ship to: Alex Kim, 789 Pine St, Seattle, WA 98101
Confirm?
User: Yes
Agent: Order #AC-MLLZVLMB-003 confirmed! 🎉
Payment link sent to alex@example.com. Once you pay, both items ship within 24-48 hours.
Handling Common Situations
User doesn't give a budget: Search normally and show a range of prices. Ask "Do you have a price range in mind?" if results vary widely.
Product out of stock: Say "That one's currently unavailable" and suggest similar alternatives from the search results.
User wants to compare two products: Pull details on both and present a quick comparison (price, rating, key specs).
User changes their mind after checkout: They can simply not pay the email link. The order expires if unpaid.
Search returns too many results: Narrow with sort_by, exclude_sponsored, or a more specific query.
Quick Reference
GET https://buystuff.ai/search?q={query} Search products
GET https://buystuff.ai/product/{asin} Product details
GET https://buystuff.ai/cart Get session's active cart (by session)
GET https://buystuff.ai/cart/{cartId} Get cart by ID
POST https://buystuff.ai/cart Add product to cart (or create cart)
PATCH https://buystuff.ai/cart/{cartId}/items/{asin} Update item quantity
DELETE https://buystuff.ai/cart/{cartId}/items/{asin} Remove item from cart
POST https://buystuff.ai/cart/{cartId}/checkout Checkout
POST https://buystuff.ai/cart/{cartId}/confirm Request payment link
GET https://buystuff.ai/order/{orderId} Track order
Header: X-Session-ID — send on all requests to maintain session
