## Create a sending subdomain **post** `/zones/{zone_id}/email/sending/subdomains` Creates a new sending subdomain or re-enables sending on an existing subdomain that had it disabled. If zone-level Email Sending has not been enabled yet, the zone flag is automatically set when the entitlement is present. ### Path Parameters - `zone_id: string` Identifier. ### Body Parameters - `name: string` The subdomain name. Must be within the zone. ### Returns - `errors: array of object { code, message, documentation_url, source }` - `code: number` - `message: string` - `documentation_url: optional string` - `source: optional object { pointer }` - `pointer: optional string` - `messages: array of object { code, message, documentation_url, source }` - `code: number` - `message: string` - `documentation_url: optional string` - `source: optional object { pointer }` - `pointer: optional string` - `success: true` Whether the API call was successful. - `true` - `result: optional object { email_sending_enabled, name, tag, 5 more }` - `email_sending_enabled: boolean` Whether Email Sending is enabled on this subdomain. - `name: string` The subdomain domain name. - `tag: string` Sending subdomain identifier. - `created: optional string` The date and time the destination address has been created. - `email_sending_dkim_selector: optional string` The DKIM selector used for email signing. - `email_sending_return_path_domain: optional string` The return-path domain used for bounce handling. - `enabled: optional boolean` Whether Email Routing (receiving) is enabled on this subdomain. Read-only; included for informational purposes since both services share the subdomain row. - `modified: optional string` The date and time the destination address was last modified. ### Example ```http curl https://api.cloudflare.com/client/v4/zones/$ZONE_ID/email/sending/subdomains \ -H 'Content-Type: application/json' \ -H "X-Auth-Email: $CLOUDFLARE_EMAIL" \ -H "X-Auth-Key: $CLOUDFLARE_API_KEY" \ -d '{ "name": "sub.example.com" }' ``` #### Response ```json { "errors": [ { "code": 1000, "message": "message", "documentation_url": "documentation_url", "source": { "pointer": "pointer" } } ], "messages": [ { "code": 1000, "message": "message", "documentation_url": "documentation_url", "source": { "pointer": "pointer" } } ], "success": true, "result": { "email_sending_enabled": true, "name": "sub.example.com", "tag": "aabbccdd11223344aabbccdd11223344", "created": "2014-01-02T02:20:00Z", "email_sending_dkim_selector": "cf-bounce", "email_sending_return_path_domain": "cf-bounce.sub.example.com", "enabled": true, "modified": "2014-01-02T02:20:00Z" } } ```