API Management
Definition
A service that helps organizations publish, secure, and monitor APIs in a centralized platform, enhancing integration and performance.
Use Cases
- The Guardian: Public developer API to let external developers access content and metadata for building apps and integrations — Published and governed its Open Platform APIs with API keys, usage limits, and documentation via a developer portal-style experience (Enabled third-party innovation and controlled access to protect backend systems while observing usage patterns to manage demand)
- Twilio: Expose communications capabilities (SMS, voice, verification) through secure, versioned public APIs for developers — Operates an API-first platform with strong authentication, request validation, rate limiting, and detailed usage monitoring/billing tied to API consumption (Scaled developer adoption globally while maintaining reliability and clear visibility into API usage for operations and monetization)
Provider Equivalents
- AWS: Amazon API Gateway
- Azure: Azure API Management
- GCP: Apigee API Management
- OCI: Oracle API Gateway
Frequently Asked Questions
- What's the difference between API Management and an API gateway?
- An API gateway is the runtime entry point that routes requests and enforces controls like authentication, rate limiting, and request/response transformations. API Management is broader: it usually includes the gateway plus a developer portal, API documentation, versioning, subscription keys, analytics, and governance features to manage APIs across their lifecycle.
- When should I use API Management?
- Use it when you have multiple APIs (internal or external) and need consistent security, throttling/quotas, monitoring, and a central place to publish documentation and onboard consumers. It’s especially useful for partner/public APIs, microservices environments, and when you need to standardize policies (for example, OAuth/JWT validation, IP allowlists, and per-client rate limits) across teams.
- How much does API Management cost?
- Pricing typically depends on (1) gateway capacity/throughput (requests per second), (2) number of API calls, (3) features/tier (developer portal, advanced security, multi-region, SLA), and (4) environment count (dev/test/prod). Some providers charge per million requests, others by provisioned units or instances. Costs also increase with add-ons like WAF, private networking, and logging/analytics retention.
Category: integration
Difficulty: intermediate
Related Terms
See Also