Compare software

Postman vs ReadyAPI: catalog facts
Postman	ReadyAPI
Freemium A free tier covers individual use with limits on collaborators, collection runs and…	Paid Commercial licence with a free trial available.
Windows, macOS, Linux, Web, Browser extension	Windows, macOS, Linux
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	Functional, performance, security testing and virtualization in one tool Codeless test creation with scripting when needed
Built around a cloud workspace, and an account is effectively required Offline and local-only use has become harder over successive versions	Paid commercial product after the trial Heavier than simple HTTP request clients for quick manual calls
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Account needed	Not stated if an account is 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 October 1, 2026

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