Postman

API development platform for building, testing, and managing APIs

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About Postman

Postman is the world's leading API development platform used by millions of developers and companies to build, test, document, and monitor APIs. It provides a comprehensive suite of tools that streamline the entire API lifecycle, from design and development to testing and deployment.

Key Features

API request builder and testing
Automated testing and continuous integration
API documentation generation
Mock servers for API simulation
Team collaboration and workspaces
Environment and variable management
API monitoring and performance testing
Collection runner for bulk testing

Use Cases

API development and testing

API documentation and sharing

Team collaboration on API projects

Automated API testing in CI/CD

API monitoring and performance testing

Mock API creation for frontend development

API specification and design

Integration testing workflows

Postman alternatives

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Guides covering Postman

Open-Source Alternatives to Paid Developer Tools: A 2026 Guide

Open-source alternatives to Postman, Firebase, Copilot, Jira, and Zapier — with the licence details and hosting costs most listicles leave out. Several popular 'open source' tools aren't open source at all.

9 min read

FastAPI vs Express vs Django vs Go: Choosing a Backend Framework in 2026

A comparison built on concurrency models, type systems, ecosystems, and deployment stories — not on synthetic benchmarks that won't predict your application's behaviour anyway.