API Design

Design, document, and build developer-friendly APIs that scale.

• API Design
• REST Principles
• REST Constraints & Richardson Maturity
• HTTP Methods & Status Codes
• GET, POST, PUT, PATCH, DELETE
• 2xx, 4xx, 5xx Codes
• URL Design
• Naming Conventions & Hierarchy
• Request/Response Formats
• JSON & XML
• Authentication
• JWT
• OAuth 2.0 & API Keys
• Versioning
• Rate Limiting
• Documentation (OpenAPI/Swagger)
• OpenAPI Spec & SwaggerUI
• GraphQL vs REST
• gRPC
• Protobuf & Service Definitions
• Webhooks
• SDKs
• Testing APIs
• Contract Testing & Mocking