Call REST, GraphQL, SSE, and gRPC APIs from a simple and intuitive app
Offline, modern, open source, and extendable. Get started instantly by importing your data from Postman, Insomnia, or OpenAPI.
Yaak appears simple at first, but comes with everything you need
Create multiple environments. Reference variables or secrets across requests.
Paste any Curl command into Yaak to import it into the current workspace.
Suggestions for variable names, headers, etc. No more looking at docs.
Use the same tool for all your APIs
Define referencable variables in environments
Organize into workspaces and nested folders
Link multiple related requests together
Quickly send all requests in a folder
Send requests through a custom proxy
Persist cookies and create multiple jars
Work on multiple workspaces at once
Render HTML, images, and more
Simple interface that adapts to any window size
Import Postman, Insomnia, OpenAPI, or cURL
Paste a Curl command into the URL to import
Copy any request as a runnable Curl command
All app data is stored locally on your machine
Yaak has nothing to hide from you
Available for Mac, Windows, and Linux – Yaak is just a few clicks away.
