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Find answers to the most frequently asked questions about API Lab.

General

API Lab is a free and open-source API development environment that helps you to quickly test and debug APIs. It is a web-based alternative to Postman, Insomnia, and Paw.
API Lab is a web-based alternative to Postman, Insomnia, and Paw. It is a free and open-source API development environment that helps you to quickly test and debug APIs.

How-to

You can use API Lab by visiting app.apilab.work and start making API requests. You can learn more about API Lab by reading our Getting started guide.
You can install API Lab on your desktop by visiting app.apilab.work and clicking on the “Install +” button. You can also install API Lab on your mobile device by visiting app.apilab.work and clicking on the “Install +” button.
We’re deprecating mobile support for API Lab. You can still use API Lab on mobile by visiting app.apilab.work and clicking on the “Install +” button.
Download the desktop app from Downloads page and install it on your desktop. You can also use API Lab on your desktop by visiting app.apilab.work and clicking on the “Install +” button to install the Progressive Web App.

Features

API Lab has a lot of features that you can use to make your API development experience better. You can learn more about API Lab features by reading our features page.
Collections are a way to organize your API requests. You can create a collection by clicking on the “Collections” button on the left sidebar. You can learn more about Collections by reading our Collections guide.
Environments are a way to store variables that you can use in your API requests. You can create an environment by clicking on the “Environments” button on the left sidebar. You can learn more about Environments by reading our Environments guide.

Bugs

You can report a bug by clicking on the “Report a bug” button on the left sidebar. You can also report a bug by visiting our GitHub repository.
You can report a security vulnerability by visiting our GitHub repository.
If you’re using API Lab on your local machine, you might need to enable CORS. You can learn more about CORS by reading our Set up guide.

Support

You can get support by visiting our Support page.