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POST

Body

string
required
The domain name to register (e.g. "mycompany.com"). Must be a valid domain you control so you can add DNS records.
string
AWS region for the domain’s sending infrastructure. One of: us-east-1, eu-west-1. Defaults to us-east-1.

Response

object

Next steps

After creating a domain:
  1. Add the DNS records shown in data.records to your domain registrar.
  2. Wait for DNS propagation (usually a few minutes to a few hours).
  3. Call Verify domain to trigger verification.
  4. Once status is "verified", create inboxes and start sending.
Last modified on March 19, 2026