Claim a registry namespace

{  "id": "cmp_pub_r6t1y8u3i5o2p9a4s7d0f2g6",  "organizationId": "org_w5xk2e7q0lzv3n8b1c4d6f9g",  "namespace": "acme",  "createdAt": "2026-03-05T10:00:00.000Z"}

{  "error": {    "type": "invalid_request",    "code": "invalid_namespace",    "message": "\"Acme\" is not a valid namespace: use lowercase letters, digits and dashes, starting with a letter or digit, at most 39 characters.",    "param": "namespace"  }}

{  "error": {    "type": "unauthenticated",    "code": "invalid_api_key",    "message": "This secret key is not valid."  }}

{  "error": {    "type": "permission_denied",    "code": "permission_denied",    "message": "Insufficient permissions."  }}

{  "error": {    "type": "not_found",    "code": "project_not_found",    "message": "There is no project proj_tz4a98xxat96iws9zmbrgj3a, or this credential cannot use it.",    "param": "projectId"  }}

{  "error": {    "type": "internal",    "code": "internal_error",    "message": "Something went wrong on our side. Try again, and contact support with the Request-Id header if it keeps failing."  }}