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

# Requests

This section provides API specification for every request type in the system.

* [**Sign in request**](/api/requests/sign-in-request.md) specification.
* [**Transaction request**](/api/requests/transaction-request.md) specification.