Google Cloud API Gateway

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Google Cloud API Gateway is ranked #4 of 27 in API gateway software on Inferse. It runs on API, Web. Paid plans start at $1.50/mo.

Compared on API gateway software

Free plan: Yescloud.google.com
Deployment model: cloudcloud.google.com
Supported protocols: HTTP/REST, HTTP/JSON, gRPCcloud.google.com
Authentication methods: API keys, service accounts/JWT, Google authentication, Google ID tokenscloud.google.com
Rate limiting: Yescloud.google.com
Request transformation: Yescloud.google.com
Monthly request limit: 1,000,000,000 requests/mocloud.google.com

Facts

Purpose: API Gateway provides secure access to backend services through a consistent REST API regardless of service implementation.docs.cloud.google.com · 1 Oct 2026
Management: It is a distributed API management system providing hosting, logging, monitoring, and API security features.docs.cloud.google.com · 1 Oct 2026
Google Cloud integration: API Gateway is natively integrated with Google Cloud and handles traffic management, authorization, and monitoring for concurrent API calls.docs.cloud.google.com · 1 Oct 2026
Authentication: Supported authentication mechanisms include API keys, Google authentication methods, and Google ID tokens.docs.cloud.google.com · 1 Oct 2026
API specifications: API Gateway supports OpenAPI 2.0 and OpenAPI 3.0 specifications, including all OpenAPI 3.0 patch versions.docs.cloud.google.com · 1 Oct 2026
Backend integrations: Documentation describes integrations with Cloud Run, Cloud Run functions, and App Engine backends.docs.cloud.google.com · 1 Oct 2026
Unsupported backend: API Gateway does not support proxying to other Google Cloud APIs such as BigQuery APIs.docs.cloud.google.com · 1 Oct 2026
Usage observability: API Gateway logs request and response information and tracks latency, traffic, and errors.docs.cloud.google.com · 1 Oct 2026
Resource limits: The documented limits are 50 APIs total, 100 API configs per API, and 50 gateways per region.docs.cloud.google.com · 1 Oct 2026
Payload limits: Maximum request and response payload sizes are 32 megabytes, while gRPC transcoding requests and responses are limited to 1 megabyte.docs.cloud.google.com · 1 Oct 2026
Security transport: API Gateway enforces TLS 1.2 or later for new security settings.docs.cloud.google.com · 1 Oct 2026
Encryption and residency: Customer data in API Gateway is CMEK-compliant at rest, and the service meets regulatory and compliance requirements for data residency at rest.docs.cloud.google.com · 1 Oct 2026
AI agent integration: Public Preview MCP support lets API Gateway expose existing REST APIs to AI agents as tools without backend changes.docs.cloud.google.com · 1 Oct 2026
Model routing: Public Preview model routing accepts OpenAI-compatible prompts and routes them to Gemini, Anthropic Claude, and OpenAI GPT models in Model Garden.docs.cloud.google.com · 1 Oct 2026
Support resources: Google Cloud documentation lists community forums, support, release notes, and system status resources for API Gateway users.docs.cloud.google.com · 1 Oct 2026