Postman
A full API workspace for building, testing, and governing services.
Postman is a development platform for designing, testing, documenting, monitoring, and sharing APIs. It combines an API client, collaborative workspaces, mock servers, test runners, documentation, catalogs, governance tools, CLI support, and newer AI-assisted workflows for teams managing APIs across their lifecycle.
Why it stands out
- Covers much more of the API lifecycle than a standalone REST client, from specs and mocks to testing, catalogs, and governance.
- Shared workspaces make request collections, docs, environments, and tests reusable across teams.
- Postman API Network gives users a built-in place to discover and try public API collections.
- Enterprise-oriented controls such as API governance, application inventory, and partner API management are part of the same ecosystem.
- CLI and integration options help connect Postman workflows to CI/CD and developer tooling.
Good to know
- The product surface is broad, so it can feel heavy for users who only need to send occasional HTTP requests.
- Some governance, inventory, partner-management, and enterprise-scale capabilities appear to be tied to higher-tier or enterprise plans.
- Collaboration features generally depend on accounts and shared workspaces, which may not suit teams that want a fully local-only workflow.
Photos

API engineers and platform teams use Postman to coordinate API design, testing, documentation, and governance in one shared workspace. Prototype an endpoint, create a mock server, and share it before backend work is complete. Run collections as regression tests during development or CI workflows. Publish internal or partner-facing API documentation and keep it connected to working requests. Discover public APIs through the Postman API Network and import them into a workspace.
API client, collections, workspaces, mock servers, documentation, monitors, collection runner, webhook testing, functional testing, SDK generation, API catalog, insights, Postman CLI, integrations, MCP server support, and AI-assisted API workflow features.
Technical Notes
- Postman provides a documented Postman API for managing Postman resources such as collections, environments, monitors, mocks, and workspaces; API key authentication is required.
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