Google Cloud API Gateway
API management tools
AI API tools
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Pay-as-you-go
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What is Google Cloud API Gateway
Google Cloud API Gateway is a managed gateway service for publishing, securing, and monitoring APIs running on Google Cloud backends such as Cloud Run, Cloud Functions, and GKE. It is used by platform teams and application developers to expose REST APIs with consistent authentication, authorization, and traffic controls. The service is configured primarily through an OpenAPI specification and integrates with Google Cloud IAM and service accounts. It focuses on runtime API enforcement and operational visibility rather than full API lifecycle design and testing workflows.
Native Google Cloud integration
It integrates directly with Google Cloud IAM, service accounts, and Google-managed identity controls for API authentication and authorization. It works well with common Google Cloud compute backends, including Cloud Run, Cloud Functions, and GKE. This reduces the amount of custom glue code needed when standardizing API access patterns inside Google Cloud environments.
OpenAPI-driven configuration
The gateway uses OpenAPI specifications as the primary configuration artifact for routing and policy enforcement. This supports spec-first API governance and makes configuration reviewable in version control. It also enables consistent deployment across environments when paired with infrastructure-as-code practices.
Managed gateway operations
As a managed service, it offloads gateway provisioning, scaling, and patching to Google Cloud. It provides operational telemetry through Google Cloud logging and monitoring integrations. This is useful for teams that want a runtime gateway without operating their own gateway infrastructure.
Limited full lifecycle tooling
It primarily addresses API runtime concerns (publish, secure, route, observe) rather than end-to-end API lifecycle workflows. Teams typically still need separate tools for API design collaboration, automated functional testing, and developer client workflows. Organizations looking for an all-in-one API platform may find gaps outside gateway capabilities.
Google Cloud-centric deployment
The service is designed for Google Cloud and is most straightforward when backends and identity are also on Google Cloud. Multi-cloud or on-premises API gateway standardization may require additional components or alternative gateway patterns. This can increase architectural complexity for heterogeneous environments.
REST/OpenAPI emphasis
Configuration is centered on OpenAPI and typical REST-style API exposure. Use cases that rely heavily on non-HTTP protocols or specialized API styles may not map cleanly to the gateway model. Teams may need additional services or patterns for those workloads.
Plan & Pricing
Pricing model: Pay-as-you-go Free tier/trial: Free tier available — first 0–2,000,000 API calls per month are free; no time-limited trial noted on the official pricing page. Example costs (API calls):
- 0–2,000,000 API calls / month — $0.00 (free tier)
- 2,000,001–1,000,000,000 API calls / month — $3.00 per 1,000,000 API calls
- 1,000,000,001+ API calls / month — $1.50 per 1,000,000 API calls
Data transfer (egress) pricing: Uses Premium Tier network pricing (prices per GB per month). Examples from the official page:
- North America → North America: $0.105 per GB (0–10 TB tier)
- Europe → Europe: $0.105 per GB (0–10 TB tier)
- Asia Pacific → Asia Pacific: $0.120 per GB (0–10 TB tier)
- Intercontinental (excl. Oceania/China): $0.120 per GB (0–10 TB tier)
- Intercontinental to/from Oceania or any traffic to China: $0.190 per GB (0–10 TB tier)
Notes & discounts:
- Prices are listed per billing account; if you pay in a currency other than USD, Cloud Platform SKUs/prices in that currency apply (per official page).
- The page directs customers to contact sales for custom quotes; Google also references standard Google Cloud networking and other associated charges (logging, service control reporting, etc.).
Seller details
Google LLC
Mountain View, CA, USA
1998
Subsidiary
https://cloud.google.com/deep-learning-vm
https://x.com/googlecloud
https://www.linkedin.com/company/google/
