A fast, keyboard-first API client in your browser
Collections, environments, and variables with a command palette, multi-tab, and a Monaco body editor — plus docs and a live MCP endpoint built in.
Built for speed
Keyboard-first
A command palette (Cmd-K), Cmd-Enter to send, and Cmd-\ to toggle the sidebar.
Collections, environments & variables
Organize requests and switch environments in a click.
Monaco body editor
A full code editor with format-on-paste for request bodies.
6 import formats
Bring requests in from Postman, OpenAPI, Insomnia, HAR, cURL, and Markdown.
27-language code samples
Copy a ready-to-run snippet in your language.
Syncs across devices
Sign in and your workspace follows you everywhere.
Frequently asked questions
Do I need to install anything?
No. APIKumo runs in your browser. An optional CLI is available for scripting and CI.
Can I import from Postman or OpenAPI?
Yes. APIKumo imports Postman v2.1, OpenAPI, Insomnia, HAR, cURL, and Markdown.
What keyboard shortcuts are there?
A command palette (Cmd-K), Cmd-Enter to send, Cmd-\ to toggle the sidebar, plus multi-tab editing.
Is the API client free?
Yes. The Free plan includes the full API client with 3 workspaces.
Does my work sync across devices?
Yes. Collections, environments, and settings sync to every device you sign in on.
Still have questions? Contact us
A quicker way to test your APIs
Sign in and start sending requests — nothing to install.
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