API Gateway WebSocket API versus AppSync

08 Dec 2021

Learn how API Gateway WebSocket API differs from AppSync.

API Gateway WebSocket API AppSync
Type

Websocket

GraphQL

HTTPS/TLS

Backends

✅ Lambda
✅ Public endpoint
✅ Private endpoint
✅ AWS Service APIs

✅ Lambda
✅ Public endpoint
❌ Private endpoint
✅ AWS Service APIs

Costs

💰

💰💰💰

Maturity

⭐️⭐️⭐️⭐️

⭐️⭐️⭐️⭐️

Authentication

✅ IAM
❌ API Key
❌ OpenID Connect
❌ SAML
❌ Social
✅ Custom

✅ IAM
✅ API Key
✅ OpenID Connect
✅ SAML
✅ Social
✅ Custom

Tenant-based Throttling

Request Validation

Req./Res. Transformation

Endpoints

✅ Public
❌ Private

✅ Public
❌ Private

WAF