Create catch-all

Create a catch-all that routes all messages sent to unknown addresses of the domain to the given mailbox.

Create catch-all

post

Create a catch-all that routes all messages sent to unknown addresses of the domain to the given mailbox. The mailbox address receives a confirmation email and the catch-all becomes active only after it is confirmed. A domain can have only one catch-all.

Authorizations

AuthorizationstringRequired

API Token authentication

Path parameters

mailboxIdstringRequired

Mailbox resource ID

Example: AC1a2b3c4d5e6f7g

Responses

201

Created response

application/json

idstringOptional

Unique catch-all identifier

Example: CA1a2b3c4d5e6f7g

domainstringOptional

Domain whose unrouted messages are caught

Example: example.com

is_activebooleanOptional

Whether the catch-all is active

Example: true

is_confirmedbooleanOptional

Whether the mailbox address has confirmed the catch-all

Example: true

created_atstring · date-timeOptionalExample: 2026-07-27T12:00:00Z

updated_atstring · date-timeOptionalExample: 2026-07-27T12:00:00Z

401

Unauthenticated response

application/json

404

Error response

application/json

409

Error response

application/json

422

Error response

application/json

500

Error response

application/json

post/api/mail/v1/mailboxes/{mailboxId}/catchalls

POST /api/mail/v1/mailboxes/{mailboxId}/catchalls HTTP/1.1
Host: developers.hostinger.com
Authorization: Bearer YOUR_SECRET_TOKEN
Accept: */*

{
  "id": "CA1a2b3c4d5e6f7g",
  "mailbox": {
    "id": "AC1a2b3c4d5e6f7g",
    "address": "[e-mail]"
  },
  "domain": "example.com",
  "is_active": true,
  "is_confirmed": true,
  "created_at": "2026-07-27T12:00:00Z",
  "updated_at": "2026-07-27T12:00:00Z"
}