This endpoint is used to reconnect an existing patient authorization with their healthcare provider's Patient Portal. It generates a state value and redirects the user to the Patient Portal for re-authentication with the provider's EHR system. This endpoint is only required if the existing connection id has expired or been revoked.

Upon successful completion, Fasten Connect will redirect the user back to the specified redirect_uri with the org_connection_id and endpoint_id query parameters.

If an error occurs during the re-authentication process, the user will be redirected back with error and error_description query parameters providing details about the failure.

<Warning> If multiple Redirect URLs are configured in the Fasten Connect Portal, you **MUST** include the `redirect_uri` query parameter in the request. This is automatically handled by the [Stitch SDK](stitch/v4/introduction) widget. </Warning>

<Badge color="green">TEFCA</Badge> This endpoint CANNOT be used for TEFCA connections. TEFCA connections must be reconnected via the Stitch.js widget.