A free utility called Postman facilitates the creation and use of APIs. All the functionalities required to draft or simulate API specifications and run tests using the Postman Collection Runner are included in Postman.
Among the features are the design and mock API specifications.
Make inquiries to validate your API.
Examine the answers from your API.
Automated Testing
thorough documentation
API Watching
From a financial standpoint, Postman’s free edition offers a generous usage limit that should be sufficient for individuals or small groups. Additionally, Postman provides premium subscription tiers that cost $8 per month for Postman Pro and $18 per month for Postman Enterprise.
With a wealth of helpful API-related tools, Postman is an excellent tool all around. With 1,000 free API requests per month, the majority of users may easily continue using the free tier.