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API Gateway REST API versus ALB

01 Feb 2023

Learn how API Gateway REST API differs from ALB.

API Gateway REST API ALB
Type

REST API

REST API

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