API Gateway Runtime Release Notes Migration Guide to API Gateway 2.0.0 or later API Gateway 2.x FAQ API Gateway 2.2.1 API Gateway 2.2.0 API Gateway 2.1.2 API Gateway 2.1.1 API Gateway 2.1.0 API Gateway 2.0.4 API Gateway 2.0.3 API Gateway 2.0.2 API Gateway 2.0