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

# Authentication for Outgoing Endpoints and Webhook Notifications

Enfuce needs information about the authentication methods you support in order to send a message via an outgoing endpoint or trigger a webhook notification. During the onboarding process, inform the details to your customer onboarding manager. We can authenticate to your registered endpoints using any of the following methods:

* API Keys: A unique API key
* Basic authentication: A combination of username and password
* OAuth: Client ID and Client Secret, and a token endpoint

  <Note>We will send a request to the token endpoint with the Client ID and the Client Secret to obtain an access token. When we are sending a message via an outgoing endpoint or a webhook, we will use the access token for successful authentication.</Note>