SignatureAPI
Mint Starter Kit

Errors

From Email Domain Not Allowed

Error

What Happened

The email domain used in the sender’s email address is not authorized to send emails for this account. SignatureAPI restricts outbound emails to approved domains to prevent misuse and ensure deliverability.

The response includes a detail property with more information about this error.

How to Fix

  • Contact support to add your email domain to the list of authorized sending domains for your account.
  • Use an email address with a domain that is already authorized for your account.

  Still stuck? Contact support.