> ## Documentation Index
> Fetch the complete documentation index at: https://docs.plumaa.id/llms.txt
> Use this file to discover all available pages before exploring further.

# Signature Request Definition

A signature request is a request for a signature on a document.

The documents can be in:

* Raw text format
* PDF format
* IOU format (a transferrable signed promise to pay)
* JSON format (a structured data format)