aws-appsync

name	aws-appsync
description	AppSync via AWS CLI v2 (`aws appsync`). GraphQL and Events APIs, data sources, resolvers, functions, types, API keys, caching, domain names, merged APIs.

AWS CLI v2 — AppSync

Overview

Complete reference for all aws appsync subcommands in AWS CLI v2. Covers GraphQL API management, Event API management, data sources, resolvers, pipeline functions, type definitions, API keys, caching, custom domain names, merged API associations, channel namespaces, and resource tagging. AWS AppSync is a fully managed service for building scalable GraphQL and real-time Event APIs backed by multiple data sources including DynamoDB, Lambda, HTTP endpoints, OpenSearch, RDS, and EventBridge.

Quick Reference — Common Workflows

Create a GraphQL API with API key authentication

aws appsync create-graphql-api \
    --name my-graphql-api \
    --authentication-type API_KEY

aws appsync create-api-key \
    --api-id abc123 \
    --description "Development key" \
    --expires 1735689600

Upload a GraphQL schema

aws appsync start-schema-creation \
    --api-id abc123 \
    --definition fileb://schema.graphql

aws appsync get-schema-creation-status \
    --api-id abc123

Add a DynamoDB data source and resolver

aws appsync create-data-source \
    --api-id abc123 \
    --name PostsTable \
    --type AMAZON_DYNAMODB \
    --service-role-arn arn:aws:iam::123456789012:role/AppSyncDDBRole \
    --dynamodb-config '{"tableName":"Posts","awsRegion":"us-east-1"}'

aws appsync create-resolver \
    --api-id abc123 \
    --type-name Query \
    --field-name getPost \
    --data-source-name PostsTable \
    --runtime '{"name":"APPSYNC_JS","runtimeVersion":"1.0.0"}' \
    --code 'export function request(ctx) { return { operation: "GetItem", key: util.dynamodb.toMapValues({id: ctx.args.id}) }; } export function response(ctx) { return ctx.result; }'

Create a pipeline resolver with functions

aws appsync create-function \
    --api-id abc123 \
    --name validateInput \
    --data-source-name NONE_DS \
    --runtime '{"name":"APPSYNC_JS","runtimeVersion":"1.0.0"}' \
    --code 'export function request(ctx) { return {}; } export function response(ctx) { return ctx.result; }'

aws appsync create-resolver \
    --api-id abc123 \
    --type-name Mutation \
    --field-name createPost \
    --kind PIPELINE \
    --pipeline-config '{"functions":["func1id","func2id"]}' \
    --runtime '{"name":"APPSYNC_JS","runtimeVersion":"1.0.0"}' \
    --code 'export function request(ctx) { return {}; } export function response(ctx) { return ctx.result; }'

Create an Event API with channel namespaces

aws appsync create-api \
    --name my-event-api \
    --event-config '{"authProviders":[{"authType":"API_KEY"}],"connectionAuthModes":[{"authType":"API_KEY"}],"defaultPublishAuthModes":[{"authType":"API_KEY"}],"defaultSubscribeAuthModes":[{"authType":"API_KEY"}]}'

aws appsync create-channel-namespace \
    --api-id evt123 \
    --name chat-messages

Set up a custom domain

aws appsync create-domain-name \
    --domain-name api.example.com \
    --certificate-arn arn:aws:acm:us-east-1:123456789012:certificate/abc-123

aws appsync associate-api \
    --domain-name api.example.com \
    --api-id abc123

Create a merged API from source APIs

aws appsync create-graphql-api \
    --name my-merged-api \
    --authentication-type API_KEY \
    --api-type MERGED \
    --merged-api-execution-role-arn arn:aws:iam::123456789012:role/MergedApiRole

aws appsync associate-merged-graphql-api \
    --source-api-identifier source-api-id \
    --merged-api-identifier merged-api-id \
    --source-api-association-config '{"mergeType":"AUTO_MERGE"}'

Command Reference

Group	File	Commands
GraphQL APIs	graphql-apis.md	create-graphql-api, get-graphql-api, list-graphql-apis, update-graphql-api, delete-graphql-api, get-graphql-api-environment-variables, put-graphql-api-environment-variables, get-introspection-schema, start-schema-creation, get-schema-creation-status
Event APIs	event-apis.md	create-api, get-api, list-apis, update-api, delete-api, create-channel-namespace, get-channel-namespace, list-channel-namespaces, update-channel-namespace, delete-channel-namespace
Data Sources	data-sources.md	create-data-source, get-data-source, list-data-sources, update-data-source, delete-data-source, start-data-source-introspection, get-data-source-introspection
Resolvers	resolvers.md	create-resolver, get-resolver, list-resolvers, update-resolver, delete-resolver, list-resolvers-by-function, evaluate-code, evaluate-mapping-template
Functions	functions.md	create-function, get-function, list-functions, update-function, delete-function
Types	types.md	create-type, get-type, list-types, update-type, delete-type, list-types-by-association
API Keys & Cache	api-keys-cache.md	create-api-key, list-api-keys, update-api-key, delete-api-key, create-api-cache, get-api-cache, update-api-cache, delete-api-cache, flush-api-cache
Domain Names	domain-names.md	create-domain-name, get-domain-name, list-domain-names, update-domain-name, delete-domain-name, associate-api, get-api-association, disassociate-api
Merged APIs	merged-apis.md	associate-merged-graphql-api, disassociate-merged-graphql-api, associate-source-graphql-api, disassociate-source-graphql-api, get-source-api-association, list-source-api-associations, update-source-api-association, start-schema-merge
Tags	tags.md	tag-resource, untag-resource, list-tags-for-resource