Get a custom domain

GET /v1/custom-domains/{custom_domain_id} · permission custom-domains:read

Returns a custom domain. When certificate issuance is blocked by CAA (failure_reason = caa_blocked), caa carries a live CAA check with the exact records to add to your DNS. The ETag header is the If-Match value for removal and :make-primary.

Request

Field	Type	Required	Description
`custom_domain_id`	string	yes	Custom domain ID (`cdom_…`).

No request body.

Response

200 OK with the domain and an ETag header.

{
  "id": "cdom_01j9xk3m7q8r2s4t6v8w0y2z4a",
  "hostname": "login.example.com",
  "is_primary": false,
  "status": "issuing",
  "failure_reason": "caa_blocked",
  "dns_records": [
    {
      "type": "TXT",
      "name": "_akp-verify.login.example.com",
      "value": "idp-verify=3q2-7wEXAMPLEtokenQ9"
    },
    {
      "type": "CNAME",
      "name": "login.example.com",
      "value": "acme.eu.edge.keenauth.app"
    }
  ],
  "certificate_expires_at": null,
  "last_checked_at": "2026-10-05T09:31:00Z",
  "next_check_at": "2026-10-05T09:36:00Z",
  "activated_at": null,
  "degraded_since": null,
  "status_changed_at": "2026-10-05T09:30:00.123456Z",
  "caa": {
    "blocked": true,
    "node": "example.com",
    "missing_issuers": [
      "letsencrypt.org"
    ],
    "critical_unknown": false,
    "suggested_records": [
      "example.com. CAA 0 issue \"letsencrypt.org; validationmethods=http-01,tls-alpn-01\""
    ]
  },
  "created_at": "2026-10-05T09:30:00.123456Z",
  "updated_at": "2026-10-05T09:30:00.123456Z"
}

Errors

HTTP	code	When
404	`not_found`	The custom domain does not exist or belongs to another environment.
401	`unauthenticated`	The credential is missing, invalid or revoked.
403	`insufficient_permissions`	The credential lacks the required permission.
429	`rate_limited`	The rate limit was exceeded; retry after the `Retry-After` period.
503	`service_unavailable`	A dependency is temporarily unavailable; retry after the `Retry-After` period.

Example

curl https://api.eu.keenauth.com/v1/custom-domains/cdom_01j9xk3m7q8r2s4t6v8w0y2z4a \
  -H "Authorization: Bearer $KEENAUTH_SECRET_KEY"