Google Cloud Endpoints

Google Cloud Endpoints is an API management system for teams that need to secure, monitor, and set quotas on APIs across cloud and Docker environments. It suits teams already using Google Cloud services, as well as those deploying Docker workloads elsewhere. Its broad deployment choices are a strength; quota controls are marked Beta, and using them requires API keys on every request.

Overview

Endpoints manages API lifecycle and access through Google Cloud Service Infrastructure, which also reports logs and metrics to the Google Cloud console. It accepts API descriptions in OpenAPI 2.0, OpenAPI 3.x, or gRPC, and uses the Extensible Service Proxy (ESP) or ESPv2 to manage APIs.

The hybrid deployment model gives teams a choice of runtime. Documented backends include Google Kubernetes Engine, Compute Engine, Kubernetes, App Engine, Cloud Run, Cloud Run functions, and Knative serving, though proxy availability varies by backend. Docker support also lets teams host an API wherever Docker runs, as long as the host can reach Google Cloud over the internet.

Key features

• API keys and quotas: Endpoints can require and validate API keys. A key identifies the caller’s Google Cloud project for quota, billing, and monitoring, so quotas depend on callers supplying a key with each request. Quotas can limit call rates and help protect an API from excess traffic, but the feature is Beta and may have limited support.
• User authentication: Firebase Authentication and Auth0 are documented options. ESP validates their JWTs, giving teams a defined path to authenticate users alongside API key controls.
• Logs and metrics: Service Infrastructure reports API activity to the Google Cloud console. This brings monitoring and analytics into the same console used to manage the API.

The combination of lifecycle management, access policies, and analytics makes Endpoints a fit for teams that want API controls alongside flexible deployment. Its dependence on Google Cloud for Service Infrastructure and internet access is a practical constraint for environments that cannot connect to Google Cloud.

Pricing

Pricing is based on API calls to Service Control, with the published usage tiers measured per million calls. There are no seat counts or trial terms attached to these tiers.

The free tier covers calls only through 1,999,999, so teams above that threshold move to a paid tier. The high-volume rate is lower than the standard rate, making it the stated fit for very large workloads. A separate usage-based option is priced at $0, with 1,000,000,000 API calls and above priced at $1.50 per million.

Platforms

Endpoints is listed for API, Linux, macOS, self-hosted, and web environments. Its Docker optimization and hybrid deployment model are useful when teams need to run APIs across more than one supported backend.

Who it's for

Endpoints is best suited to teams building APIs that need project-level caller attribution, monitoring, and access controls while retaining a choice of Google Cloud and Docker-capable deployment environments. It is less suitable when quota enforcement must rely on a mature, non-Beta feature or when requests cannot include API keys.

Pros and cons

• Pro: OpenAPI 2.0, OpenAPI 3.x, and gRPC support accommodate multiple API description formats.
• Pro: Documented backends span managed Google Cloud services, Kubernetes, and Docker-capable hosts, offering deployment flexibility.
• Pro: API keys connect caller identity with quota, billing, and monitoring at the Google Cloud project level.
• Con: Quotas are Beta and may have limited support, making them a less certain choice for teams that depend on them.
• Con: Quota use requires an API key on every request, which may not suit APIs that cannot identify callers this way.
• Con: Hosts outside Google Cloud still need internet access to Google Cloud for Endpoints to work.

Alternatives

Consider Gravitee API Gateway if you want a free Apache 2.0 community edition or a freemium option across API, Linux, self-hosted, web, and Windows platforms. Its listed Planet plan costs $2,500 a month.

Amazon API Gateway is another paid option with a free plan and support for Android, API, iOS, and web platforms.

Choose Kong Gateway if a 30-day free trial with no Gateway limits and 30 days of analytics retention fits your evaluation. Its Plus plan has custom pricing.

KrakenD API Gateway offers a free, self-hosted Community Edition with unlimited requests, APIs, and AI workloads across Linux and macOS.

Tyk Gateway has a free open-source API gateway and a usage-based Core plan with custom pricing.

Higress is a free, self-hosted community edition with community support and documentation; users handle stability and performance.

NGINX Gateway Fabric is a free open-source project for Kubernetes deployment, with Gateway API support varying by resource.

Tencent Cloud API Gateway offers a shared instance with the first 1 million API calls per month free during the first year; excess calls and public network outbound traffic are pay-as-you-go.

For more options, browse API Gateway Software or API Management Software.

Verdict

Google Cloud Endpoints is a strong choice for teams that want API lifecycle controls, analytics, and flexible deployment tied to Google Cloud’s service infrastructure. Its call-based tiers include a free range and a lower listed rate for very high volume. Look elsewhere if Beta quota support is not dependable enough for your needs, or if API-key identification and Google Cloud connectivity do not fit your API architecture.