> For the complete documentation index, see [llms.txt](https://docs.metacopier.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.metacopier.io/rest-api/api/readme.io.md).

# Readme.io

Readme.io offers a UI similar to Swagger UI for testing the REST API.

To utilize the Readme UI, enter the API key, and then you can proceed to send requests to the REST API.

<figure><img src="https://1880479925-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FYatpTySDvBNuxKqpErzU%2Fuploads%2Feo7WOVzcsIMW7HQDesm2%2FScreenshot%202024-03-24%20at%2013.28.55.png?alt=media&amp;token=06f078e7-a07e-40dd-b399-ef8904788f2e" alt=""><figcaption></figcaption></figure>

{% embed url="<https://metacopier.readme.io>" %}