APIs Power Digital Business

Application Programming Interfaces connect systems, enable partnerships, and create platform ecosystems.

API Fundamentals

REST APIs dominate web services. GraphQL offers flexible queries. Webhooks enable real-time updates. gRPC provides performance for internal services.

Internal APIs

Microservices communicate via APIs. Internal platforms standardize capabilities. Service mesh manages traffic. API gateways provide unified access.

External APIs

Partner APIs enable integrations. Public APIs extend reach. Developer portals onboard users. Documentation drives adoption.

API Business Models

Free tiers attract developers. Usage-based pricing scales with value. Premium features generate revenue. Data APIs monetize information.

API Design

RESTful principles guide structure. Versioning maintains compatibility. Authentication secures access. Rate limiting ensures availability.

Developer Experience

Clear documentation is essential. SDKs accelerate integration. Sandbox environments enable testing. Support channels resolve issues.

API Management

Gateways handle traffic and security. Analytics reveal usage patterns. Monetization tracks revenue. Governance maintains standards.

Integration Patterns

Point-to-point suits simple connections. Hub-and-spoke centralizes integration. Event-driven enables real-time. API-led connects systematically.

Security

OAuth 2.0 authorizes access. API keys identify clients. TLS encrypts transmission. Validation prevents injection attacks.

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