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Postman's API client enables you to create and send API requests, including HTTP, GraphQL, and gRPC requests. Using Postman, you can send a request to an endpoint, retrieve data from a data source, or test an API's functionality. You don't need to enter commands in a terminal or write any code. When you create a new request and click Send, the API response returns directly in Postman. Send an API request Make sure you've downloaded and installed the Postman desktop app. When you're ready, open the Postman desktop app and send your first API request. Click  Add in the workbench to open a new tab. Enter "postman-echo.com/get" for the request URL. Click Send Read more