> For the complete documentation index, see [llms.txt](https://6dot50.gitbook.io/6dot50-apis/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://6dot50.gitbook.io/6dot50-apis/pay-api/requests.md).

# Requests

All requests to be made using `application/json` media type.

In addition, all operations (except for Authentication) requires a Header attribute to be supplied:

<table><thead><tr><th width="190">Header Name</th><th width="187.33333333333331">Value</th><th>Description</th></tr></thead><tbody><tr><td><code>Authorization</code></td><td><code>Bearer </code><em><code>[token]</code></em></td><td>Where <em><code>[token]</code></em> is the token returned from the <code>authentication/getToken</code> operation. See <a href="/6dot50-apis/pay-api/authentication.md">Authentication</a> for more information.</td></tr></tbody></table>

A 401 Unauthorized HTTP response will be returned if a malformed authorisation header is supplied (empty, invalid, or expired).

### Date and Time

Note that all date and times supplied are in UTC (Coordinated Universal Time).