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

# External Users Overview

> Grant and manage external user access to a support ticket

External users are non-platform participants given limited access to a specific ticket, such as a merchant's representative or a third-party vendor involved in resolving the issue.

| Endpoint                                                                   | Description                             |
| -------------------------------------------------------------------------- | --------------------------------------- |
| [List external users](/api-reference/tickets/list-ticket-external-users)   | Retrieve all external users on a ticket |
| [Add external user](/api-reference/tickets/add-ticket-external-user)       | Add a non-platform user to a ticket     |
| [Remove external user](/api-reference/tickets/remove-ticket-external-user) | Remove an external user from a ticket   |