REST API Development: Complete Course from Beginner to Production
A comprehensive REST API tutorial covering HTTP fundamentals, REST architecture principles, CRUD operations, authentication with JWT, middleware, error handling, pagination, rate limiting, API versioning, security best practices, and building production-ready APIs with Express.js. Learn everything a professional backend developer needs to design, build, and deploy scalable REST APIs.
Course Content
6 modules · 30 lessonsAPI Basics: What Are APIs and Why They Matter
Understand what an API is, how the client-server model works, what REST means, and why REST APIs power the modern web. Build foundational vocabulary before writing a single line of code.
What Is a REST API? Complete Beginner Guide
API definition, REST API, client-server model, web services, API use cases, JSON, HTTP
Understanding HTTP: The Foundation of REST APIs
HTTP protocol, HTTP request, HTTP response, headers, body, URL structure, query parameters, path parameters
HTTP Methods: GET, POST, PUT, DELETE, and More
GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS, HTTP methods, idempotent, safe methods, CRUD mapping
HTTP Status Codes Every API Developer Must Know
HTTP status codes, 2xx success, 3xx redirection, 4xx client errors, 5xx server errors, 200, 201, 204, 400, 401, 403, 404, 409, 422, 429, 500, 503
REST Architecture Principles: The Six Constraints
REST constraints, statelessness, uniform interface, client-server, cacheable, layered system, code on demand, REST principles
HTTP and REST Fundamentals: Request, Response, and Design
Master the anatomy of HTTP requests and responses, learn RESTful URL design principles, understand content negotiation, and build the mental model needed to design consistent, intuitive APIs.
RESTful URL Design Best Practices
URL design, resource naming, plural nouns, nested resources, URL hierarchy, anti-patterns, kebab-case
Request and Response Structure: Headers, Body, and Content Negotiation
request headers, response headers, Accept header, Content-Type, content negotiation, JSON schema, response envelope, HATEOAS
CRUD Operations: Building the Core of Any REST API
CRUD operations, Create Read Update Delete, REST CRUD, data layer, repository pattern, input validation, ID generation
REST API Design Anti-Patterns and How to Avoid Them
API anti-patterns, chatty API, over-fetching, under-fetching, false 200, breaking changes, God endpoint, versioning, documentation
Designing for Consistency: API Style Guides and Standards
API style guide, naming conventions, camelCase vs snake_case, date formats, ISO 8601, boolean naming, pagination standards, error codes
Building REST APIs with Express.js
Move from design to implementation. Learn Express.js from scratch, build a complete CRUD REST API, connect to a database, validate input with middleware, and structure your project for scalability.
Introduction to Express.js: Setup and First Endpoint
Express.js introduction, npm init, express install, app.listen, routing basics, req res, first REST endpoint, nodemon
Connecting to a Database and Performing CRUD Operations
database connection, MongoDB, Mongoose, environment variables, dotenv, CRUD with database, schema, model
Middleware in Express: Validation, Logging, and Error Handling
middleware concept, middleware stack, express middleware, request validation, Joi validation, morgan logging, error handling middleware, next function
Project Structure: Scalable Architecture for REST APIs
MVC architecture, controllers, routes, models, services, middleware folder, project structure, separation of concerns, asyncHandler
Testing REST APIs: Unit Tests and Integration Tests
API testing, Jest, Supertest, unit testing controllers, integration testing endpoints, test database, test coverage, mocking, TDD
Authentication and Security in REST APIs
Secure your REST API with JWT authentication, API key management, role-based access control, and production security best practices including HTTPS, CORS, helmet, and input sanitization.
JWT Authentication: How It Works and How to Implement It
JWT, JSON Web Token, JWT structure, header payload signature, sign token, verify token, access token, refresh token, jsonwebtoken package
API Key Authentication and Role-Based Access Control
API keys, API key generation, API key middleware, RBAC, role-based access control, permissions, admin middleware, resource ownership
REST API Security: CORS, Helmet, Rate Limiting, and Input Sanitization
CORS, helmet, rate limiting, express-rate-limit, input sanitization, XSS prevention, NoSQL injection, security headers, HTTPS
Password Hashing, Token Storage, and Secure Practices
bcrypt, password hashing, salt rounds, token storage, httpOnly cookies, HTTPS, secret management, OWASP API security
OAuth 2.0 and Social Login: Concepts and Integration
OAuth 2.0, authorization code flow, access token, refresh token, Google OAuth, GitHub OAuth, Passport.js, social login, scopes
Advanced Concepts: Pagination, Filtering, Versioning, and Rate Limiting
Master the features that make REST APIs production-ready: efficient pagination strategies, flexible filtering and sorting, API versioning for backward compatibility, sophisticated rate limiting, webhooks, and file uploads.
Pagination Strategies: Page-Based and Cursor-Based
pagination, page-based pagination, cursor-based pagination, offset pagination, limit offset, pagination metadata, performance
Filtering, Sorting, and Searching
query filtering, dynamic filtering, sorting, multi-field sort, full-text search, range filters, field selection, sparse fieldsets
API Versioning Strategies
API versioning, URL versioning, header versioning, backward compatibility, versioning strategy, deprecation policy, migration guide
Advanced Rate Limiting and Throttling
rate limiting algorithms, token bucket, sliding window, fixed window, per-user rate limiting, Redis rate limiting, rate limit headers, throttling
Webhooks and File Uploads in REST APIs
webhooks, webhook design, webhook security, HMAC signature, file upload, multipart form data, Multer, cloud storage, S3 upload, file validation
Production and Best Practices: Logging, Monitoring, Documentation, and Deployment
Take your REST API from local development to production. Learn structured logging, error monitoring, performance optimization, API documentation with OpenAPI, Docker deployment, and CI/CD pipelines.
Structured Logging and Error Monitoring
structured logging, Winston, Pino, log levels, correlation ID, centralized logging, Sentry, error tracking, production logging
API Documentation with OpenAPI and Swagger
OpenAPI specification, Swagger, swagger-jsdoc, swagger-ui-express, API documentation, JSDoc comments, schema definition, interactive documentation
Performance Optimization: Caching, Compression, and Database Indexing
API caching, Redis caching, cache invalidation, ETags, compression, gzip, database indexing, query optimization, connection pooling
Containerizing REST APIs with Docker
Docker, Dockerfile, docker-compose, containerization, environment variables in Docker, multi-stage build, .dockerignore
CI/CD, Health Checks, and Production Readiness Checklist
CI/CD pipeline, GitHub Actions, health check endpoint, readiness probe, liveness probe, graceful shutdown, 12-factor app, production checklist