Postman

Summary

A GUI tool for building, testing and documenting API requests — the standard way developers manually exercise an API during development before a frontend exists.

How to Learn This

1Build a Postman collection covering every endpoint of an API you've built.
2Use environment variables in Postman to switch between local and production URLs.
3Write a simple automated test script within a Postman request.

API Documentation (Swagger/OpenAPI)

Webhooks

More topics in API Design

REST API Best Practices API Versioning Pagination Filtering & Sorting HATEOAS GraphQL Basics GraphQL Schema & Resolvers gRPC Basics API Documentation (Swagger/OpenAPI)Webhooks Rate Limiting Strategies

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