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API Gateway REST API versus AppSync

01 Feb 2023

Learn how API Gateway REST API differs from AppSync.

API Gateway REST API AppSync
Type

REST API

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