# Basic Webhook

The payload contains only the unique Axepta Online payId. The merchant can use this value to call the Retrieve payment details by payment ID endpoint to obtain full transaction details.

Since no sensitive data is transmitted, no HMAC signature is used for this Webhook type.

When the merchant receives a webhook, their endpoint must respond with an HTTP status code to acknowledge successful processing.

Endpoint: POST /{merchantBasicWebhookUrl}
Version: 2.0.0

## Request fields (application/json):

  - `payId` (string)
    A unique identifier assigned by Axepta Online to the payment.


## Response 2xx fields

## Response 4xx fields

## Response 5xx fields