API Development & Design

RESTful API Design Best Practices — Complete Guide

Learn RESTful API design best practices: resource naming, HTTP methods, status codes, and stateless architecture with real-world examples from DodaTech.

OpenAPI / Swagger Specification Guide — Step-by-Step

Learn OpenAPI specification (formerly Swagger): design, document, and generate REST API clients with YAML and JSON definitions for automated API workflows.

Postman for API Testing and Collections — Practical Guide

Learn Postman for API testing: create collections, write tests with JavaScript, automate workflows, and use environment variables for efficient API development.

API Versioning Strategies — Best Practices and Implementation Guide

Learn API versioning strategies: URI versioning, header versioning, query parameter versioning, and content negotiation for backward-compatible API evolution.

Authentication Patterns — JWT, OAuth2, and API Keys Explained

Learn API authentication patterns: JWT tokens, OAuth2 flows, API keys, and session-based auth with implementation examples for securing REST APIs.

Rate Limiting and Throttling for APIs — Complete Guide

Learn rate limiting and throttling strategies: token bucket, leaky bucket, fixed window, and sliding window algorithms for protecting APIs from abuse.

API Documentation with OpenAPI and Stoplight — Practical Guide

Learn API documentation best practices using OpenAPI spec and Stoplight Studio: design, document, and publish interactive API reference pages for developers.

GraphQL API Design and Best Practices — Complete Guide

Learn GraphQL API design: schema definition, queries, mutations, subscriptions, resolvers, N+1 problem prevention, and security best practices for production APIs.

Building REST APIs with Node.js and Express — Step-by-Step Guide

Learn building REST APIs with Node.js and Express: routing, middleware, error handling, database integration, validation, and deployment for production APIs.

Building REST APIs with Python FastAPI — Complete Step-by-Step Guide

Learn building REST APIs with Python FastAPI: path operations, Pydantic models, dependency injection, async database, authentication, and automatic OpenAPI docs.

API Testing — Unit, Integration, and Contract Testing Guide

Learn API testing strategies: unit tests for endpoints, integration tests for database flows, and contract tests with Pact for reliable microservice communication.

WebSocket APIs — Real-Time Communication Guide

Learn WebSocket APIs for real-time communication: handshake, message framing, broadcasting, reconnection strategies, and building chat and notification systems.

gRPC Basics — Protocol Buffers and Services Guide

Learn gRPC basics: Protocol Buffers syntax, service definitions, unary and streaming RPCs, server and client implementation, and performance benefits over REST.

API Security — Input Validation, CORS, and SQL Injection Prevention

Learn API security best practices: input validation, CORS configuration, SQL injection prevention, XSS protection, rate limiting, and secure headers for REST APIs.

Error Handling in REST APIs — Status Codes and Responses Guide

Learn REST API error handling: HTTP status codes, consistent error response formats, global error handlers, validation errors, and structured error reporting.

Pagination, Filtering, and Sorting in REST APIs — Complete Guide

Learn pagination, filtering, and sorting for REST APIs: cursor-based and offset pagination, query parameter conventions, and efficient database implementation.

API Gateway Concepts — Kong, NGINX, and AWS API Gateway Guide

Learn API gateway concepts: Kong, NGINX, and AWS API Gateway for routing, rate limiting, authentication, transformation, and microservice orchestration.

Building Serverless APIs with AWS Lambda and API Gateway — Guide

Learn building serverless APIs with AWS Lambda and API Gateway: function handlers, event sources, deployment packaging, environment configuration, and monitoring.

API Monitoring and Analytics — Complete Guide

Learn API monitoring and analytics: metrics collection, logging, alerting, dashboards, anomaly detection, and tools for tracking API performance and usage.

Hypermedia APIs and HATEOAS — Complete Guide

Learn Hypermedia APIs and HATEOAS: hypermedia controls, media types, state transitions, discoverability, and building truly RESTful APIs that guide clients dynamically.