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Postman

API platform for development, testing, and docs

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Postman is an API platform for designing, testing, documenting, mocking, monitoring, and collaborating on APIs. It gives developers shared workspaces, collections, an API client, automation, governance, and tools for shipping API products.

Postman is usually the benchmark when teams compare API tools because it covers both individual testing and team workflows. Evaluate collaboration, test automation, documentation, governance, CLI support, security controls, and whether the broader platform is worth the complexity.

It belongs on a shortlist when the buyer needs API work to be easier to test, document, and share. Test import support, environments, collaboration, automation, docs output, governance, and adjacent options such as API clients, developer portals, and OpenAPI tooling.