curl --request POST \
  --url 'https://transaction-tax.api.in.commenda.io/api/v1/registrations/v2/content/portal-fields' \
  --header 'Authorization: Bearer <your_token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "portal_ids": ["PORTAL_CA_CDTFA"]
  }'

{
  "portal_ids": ["PORTAL_CA_CDTFA"]
}

{
  "portal_ids": ["PORTAL_CA_CDTFA", "PORTAL_TX_COMPTROLLER"]
}

{
  "data": {
    "portals": [
      {
        "portal_id": "PORTAL_CA_CDTFA",
        "portal_name": "California Department of Tax and Fee Administration",
        "portal_url": "https://onlineservices.cdtfa.ca.gov/",
        "credential_fields": [
          {
            "credential_key": "username",
            "credential_name": "Username",
            "credential_type": "STRING",
            "required": true,
            "is_unique_per_registration": false,
            "helper_text": "Enter the username you use to log in to the CDTFA portal",
            "display_order": 1
          },
          {
            "credential_key": "password",
            "credential_name": "Password",
            "credential_type": "STRING",
            "required": true,
            "is_unique_per_registration": false,
            "display_order": 2
          }
        ]
      }
    ]
  }
}

{
  "message": "Failed to parse request body.",
  "error": {
    "type": "CLIENT_INVALID_REQUEST_BODY",
    "title": "Failed to validate the request body",
    "detail": "portal_ids is required",
    "status": 400,
    "instance": "/api/v1/registrations/v2/content/portal-fields"
  }
}