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

# Request and Response Payloads

The payloads consumed and produced by the API are strictly [JSON](http://www.json.org/) encoded data or HTTP query parameters. To reflect this, you must provide `application/json` in the `Content-Type` HTTP header for most `POST` and `PUT` calls.