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

# Authentication

# Authentication

Voice Agents can authenticate callers or patients before accessing sensitive information or performing protected actions.

From the UI:

<img src="https://mintlify.s3.us-west-1.amazonaws.com/altheahealth/getting-started/images/auth-toggle.png" alt="authentication screenshot" />

## Supported Authentication Methods

* Caller ID matching
* Member ID / Date of Birth collection
* PIN or passphrase prompts
* Custom workflow-based verification

## Enabling Authentication

Under **Agent Settings → Authentication**, toggle authentication on, and configure:

* Data fields to collect
* Failure handling
* Retry rules
* Escalation logic

## Best Practices

* Keep authentication simple and familiar
* Avoid collecting unnecessary PHI
* Always log authentication results for audit