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Postman vs Firecamp: catalog facts
Postman	Firecamp
Freemium A free tier covers individual use with limits on collaborators, collection runs and…	Free Free to use as a guest; an account unlocks saved collections and team features.
Windows, macOS, Linux, Web, Browser extension	Web
The most widely used API client, so collections and tutorials for it are everywhere Collections with environments, pre-request and test scripts, and a built-in runner	Handles REST, GraphQL, WebSocket and Socket.IO in one tool Guest mode lets you send requests without signing up
Built around a cloud workspace, and an account is effectively required Offline and local-only use has become harder over successive versions	Saving requests and collections requires an account Team collaboration depends on the hosted service
Downloadable app, Web application, Browser extension	Web application
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.