curl --request PUT \
  --url https://your-instance.example.com/api/organizations/{organizationId}/extraction-rules \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "builtInFields": {
    "province": {
      "mode": "allowlist",
      "values": [
        "ON",
        "QC",
        "BC",
        "AB"
      ],
      "regex": []
    }
  },
  "customFields": {
    "creditScore": null
  }
}
'

{
  "success": true,
  "message": "Extraction rules updated",
  "data": {
    "builtInFields": {
      "province": {
        "mode": "allowlist",
        "values": [
          "ON",
          "QC"
        ],
        "regex": []
      }
    },
    "customFields": {}
  }
}