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

# POST /api/prior-auth/requests/{id}/submit

> Submit a PA

````text theme={"system"}

POST /api/prior-auth/requests/{request_id}/submit

``` Submission channel priority (per):

```text

EPA_API → CLEARINGHOUSE → PORTAL → FAX → MANUAL

``` The selected channel is included in the response. Payer webhook responses arrive at `POST /api/prior-auth/webhooks/payer-response` (HMAC-verified per payer secret).
````