Create domains

Create adds a new domain POST /api/v1/domains

Authentication & compatibility

Use a scoped bearer API key with domains:manage. The key is bound to its user and organization.

SES email workflow and its stored mailbox/configuration data. Provider actions require configured AWS permissions and verified owned domains; receiving is opt-in.

Contract 2026-10-04. Your running instance's /api/v1/openapi.json is authoritative for its deployed release.

Request

Set MAILAT_BASE_URL to your instance origin (without /api/v1) and MAILAT_TOKEN to an appropriate credential. Replace path placeholders and example data before running. These examples do not execute in this page.

curl --request POST "$MAILAT_BASE_URL/api/v1/domains" \
  --header "Authorization: Bearer $MAILAT_TOKEN" \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "example.com"
}'

Responses

HTTP statuses and body shapes below come from the pinned contract. Not every shared error applies to every request. Retain the original idempotency key when retrying a send.