# Custom domains

Use custom domains to configure and use your own domain for forms and billing portals,
instead of the default Rebilly domain: `portal.secure-payments.app`.
For more information, see [Configure a custom domain](https://www.rebilly.com/docs/settings/organizations-and-websites#configure-a-custom-domain).

## Retrieve custom domains

 - [GET /custom-domains](https://www.rebilly.com/static/_spec/catalog/all-3.0/custom-domains/getcustomdomaincollection.md): Retrieve a list of custom domains.

## Create a custom domain

 - [POST /custom-domains](https://www.rebilly.com/static/_spec/catalog/all-3.0/custom-domains/postcustomdomain.md): Create a custom domain.

## Retrieve a custom domain

 - [GET /custom-domains/{domain}](https://www.rebilly.com/static/_spec/catalog/all-3.0/custom-domains/getcustomdomain.md): Retrieve a custom domain with a specified ID.

## Delete a custom domain

 - [DELETE /custom-domains/{domain}](https://www.rebilly.com/static/_spec/catalog/all-3.0/custom-domains/deletecustomdomain.md): Delete a custom domain with a specified ID.