Checkout URL domain isn't approved

{
  "error": {
    "type": "request_error",
    "code": "transaction_checkout_url_domain_is_not_approved",
    "detail": "The value you passed for `checkout.url` does not contain a domain that has been approved by Paddle",
    "documentation_url": "https://developer.paddle.com/errors/transactions/transaction_checkout_url_domain_is_not_approved"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}

Details

Status code

400

Error code

transaction_checkout_url_domain_is_not_approved

Error message

The value you passed for `checkout.url` does not contain a domain that has been approved by Paddle

Common causes

• The domain in checkout.url isn't on your account's list of approved domains.
• No domains have been approved for your account yet.

Troubleshooting

• Request approval for the domain you're using in checkout.url.
• Contact the Paddle support team if approval is taking longer than expected.