# Support

For anything these guides do not answer, email req.partner.api@groupon.com.

Always quote:

- Your storefront's partner id, shown on the storefront page in this portal.
- The `requestId` from the error body of a failed call, when you have one. See [Handling
  errors](/docs/handling-errors.md).

## Use this address to

- Add a CJ publisher ID to start earning commission.
- Report a suspected leaked key, or ask for help if Groupon suspended your storefront.

You change your registration yourself, on the storefront's page in this portal.
- Anything else not covered by these guides or the [API reference](/reference).

## Include in your email

- Your partner id.
- What you were trying to do, including the endpoint and method.
- The `requestId`, and the full error body if you have it.
- When it happened, with date, time and timezone.