curl --request POST \
  --url https://api.bold-factory.com/v1/planning/customers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Acme Corp",
  "externalReference": "REF123456"
}
'

{
  "id": "cus_1mnbe80001w0m7qy",
  "externalReference": "CLI0007",
  "name": "Industrias Manolito",
  "deletedAt": null,
  "createdAt": "2025-12-29T17:32:58.4234296+00:00",
  "createdBy": "Cecilia.Valles@example.net",
  "lastModifiedAt": "2025-12-31T19:01:44.2841441+00:00",
  "lastModifiedBy": "Claudia52@example.com"
}