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Google Cloud API Gateway

Ch 116.6of 27 API Gateway Software
  1. 1Runs onAPI, Web
  2. 2Costspaid from $1.50/mo
  3. 3Deployment modelcloud
  4. 4Supported protocolsHTTP/REST, HTTP/JSON, gRPC
  5. 5Authentication methodsAPI keys, service accounts/JWT, Google authentication, Google ID tokens
  6. 6Rate limitingYes
  7. 7Request transformationYes
  8. 8Monthly request limit1,000,000,000 requests/mo
8 lines stated Written from the maker's own pages: cloud.google.com
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The Google Cloud API Gateway homepage

Overview

Google Cloud API Gateway is ranked #11 of 27 in API gateway software on Specifiction. It runs on API, Web. Paid plans start at $1.50/mo.

Google Cloud API Gateway plans and pricing

All plans
1B+ API calls $1.50/mo per month per billing account 1B+ API calls/month · cost per million API calls cloud.google.com · 1 Oct 2026
2M-1B API calls $3/mo per month per billing account 2M-1B API calls/month · cost per million API calls cloud.google.com · 1 Oct 2026
0-2M API calls Not published per month per billing account 0-2M API calls/month · cost per million API calls cloud.google.com · 1 Oct 2026

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

Best Google Cloud API Gateway alternatives

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Where it ranks on Specifiction

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