curl --request PATCH \
  --url https://v1.api.flux-os.com/contracts/{id} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-user-id: <api-key>' \
  --data '
{
  "external_id": "<string>",
  "term": "<unknown>",
  "transaction_type": "<unknown>",
  "type": "<unknown>",
  "start_date": "2023-12-25",
  "volume": 123,
  "volume_measurement_unit": "<unknown>",
  "measurement_type": "<unknown>",
  "pricing_basis": "<unknown>",
  "settlement_currency": "<unknown>",
  "payment_term": "<unknown>",
  "end_date": "2023-12-25",
  "differential_unit_amount": null,
  "differential_currency": "<unknown>",
  "differential_measurement_unit": "<unknown>",
  "percentage_of_index": null,
  "percentage_of_index_measurement_unit": "<unknown>",
  "percentage_of_benchmark": null,
  "percentage_of_benchmark_measurement_unit": "<unknown>",
  "eq": "<unknown>",
  "index": "<unknown>",
  "product_category": "<unknown>",
  "stream": "<unknown>",
  "benchmark": "<unknown>",
  "stream_wadf": "<unknown>",
  "feeder_wadf": "<unknown>",
  "broker_transaction_id": null
}
'

{
  "external_id": "<string>",
  "start_date": "2023-12-25",
  "volume": 123,
  "id": "<string>",
  "organization": {
    "name": "<string>",
    "id": "<string>",
    "image_url": null
  },
  "status": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "term": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "transaction_type": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "type": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "end_date": null,
  "volume_measurement_unit": {
    "name": "<string>",
    "abbreviation": "<string>",
    "id": "<string>",
    "html_symbol": null
  },
  "measurement_type": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "pricing_basis": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "differential_unit_amount": null,
  "differential_currency": {
    "name": "<string>",
    "symbol": "<string>",
    "id": "<string>"
  },
  "differential_measurement_unit": {
    "name": "<string>",
    "abbreviation": "<string>",
    "id": "<string>",
    "html_symbol": null
  },
  "percentage_of_index": null,
  "percentage_of_index_measurement_unit": {
    "name": "<string>",
    "abbreviation": "<string>",
    "id": "<string>",
    "html_symbol": null
  },
  "percentage_of_benchmark": null,
  "percentage_of_benchmark_measurement_unit": "<unknown>",
  "settlement_currency": {
    "name": "<string>",
    "symbol": "<string>",
    "id": "<string>"
  },
  "payment_term": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "eq": {
    "name": "<string>",
    "id": "<string>",
    "currency": "<unknown>",
    "measurement_unit": "<unknown>"
  },
  "index": {
    "name": "<string>",
    "stream": "<unknown>",
    "id": "<string>",
    "currency": "<unknown>",
    "measurement_unit": "<unknown>"
  },
  "product_category": {
    "name": "<string>",
    "short_code": "<string>",
    "id": "<string>"
  },
  "stream": {
    "name": "<string>",
    "short_code": "<string>",
    "product_category": "<unknown>",
    "id": "<string>"
  },
  "benchmark": {
    "name": "<string>",
    "short_code": "<string>",
    "measurement_unit": "<unknown>",
    "id": "<string>",
    "currency": "<unknown>"
  },
  "stream_wadf": {
    "name": "<string>",
    "amount": 123,
    "currency": "<unknown>",
    "measurement_unit": "<unknown>",
    "id": "<string>"
  },
  "feeder_wadf": {
    "name": "<string>",
    "amount": 123,
    "currency": "<unknown>",
    "measurement_unit": "<unknown>",
    "id": "<string>"
  },
  "broker_transaction_id": null,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "parties": [
    {
      "id": "<string>",
      "organization": {
        "name": "<string>",
        "id": "<string>",
        "image_url": null
      },
      "entity": {
        "legal_name": "<string>",
        "id": "<string>"
      },
      "role": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "users": [
        {
          "party": "<unknown>",
          "id": "<string>",
          "user": {
            "first_name": "<string>",
            "last_name": "<string>",
            "id": "<string>",
            "roles": "<unknown>"
          },
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z"
        }
      ]
    }
  ],
  "schedules": [
    {
      "production_month": "2023-12-25",
      "volume": 123,
      "id": "<string>",
      "status": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "volume_measurement_unit": {
        "name": "<string>",
        "abbreviation": "<string>",
        "id": "<string>",
        "html_symbol": null
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "estimated_qualities": [
        {
          "value": 123,
          "id": "<string>",
          "measurement_property": {
            "name": "<string>",
            "short_code": "<string>",
            "id": "<string>"
          },
          "measurement_unit": {
            "name": "<string>",
            "abbreviation": "<string>",
            "id": "<string>",
            "html_symbol": null
          },
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z"
        }
      ],
      "chains": [
        {
          "id": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z",
          "legs": [
            {
              "position": 123,
              "chain": "<unknown>",
              "volume": 123,
              "id": "<string>",
              "mode": {
                "name": "<string>",
                "short_code": "<string>",
                "id": "<string>"
              },
              "source_well": {
                "id": "<string>",
                "name": null
              },
              "source_commercial_facility": {
                "name": "<string>",
                "id": "<string>",
                "lsd": null,
                "section": null,
                "township": null,
                "range": null,
                "meridian": null
              },
              "source_facility": {
                "name": "<string>",
                "id": "<string>"
              },
              "source_land_description": {
                "description": "<string>",
                "latitude": 123,
                "longitude": 123,
                "id": "<string>",
                "survey_system": {
                  "name": "<string>",
                  "short_code": "<string>",
                  "id": "<string>"
                },
                "unit": {
                  "name": "<string>",
                  "short_code": "<string>",
                  "id": "<string>"
                }
              },
              "destination_commercial_facility": {
                "name": "<string>",
                "id": "<string>",
                "lsd": null,
                "section": null,
                "township": null,
                "range": null,
                "meridian": null
              },
              "destination_facility": {
                "name": "<string>",
                "id": "<string>"
              },
              "volume_measurement_unit": {
                "name": "<string>",
                "abbreviation": "<string>",
                "id": "<string>",
                "html_symbol": null
              },
              "custodian_organization": {
                "name": "<string>",
                "id": "<string>",
                "image_url": null
              },
              "custodian_entity": {
                "legal_name": "<string>",
                "id": "<string>"
              },
              "is_custody_transfer": false,
              "is_chain_source": false,
              "is_chain_destination": false,
              "fob": false,
              "carrier_organization": {
                "name": "<string>",
                "id": "<string>",
                "image_url": null
              },
              "carrier_entity": {
                "legal_name": "<string>",
                "id": "<string>"
              },
              "carrier_user": {
                "first_name": "<string>",
                "last_name": "<string>",
                "id": "<string>"
              },
              "created_at": "2023-11-07T05:31:56Z",
              "updated_at": "2023-11-07T05:31:56Z"
            }
          ]
        }
      ]
    }
  ],
  "profit_shares": [
    {
      "value": 123,
      "id": "<string>",
      "paid_by": {
        "name": "<string>",
        "id": "<string>",
        "image_url": null
      },
      "paid_to": {
        "name": "<string>",
        "id": "<string>",
        "image_url": null
      },
      "settlement_currency": {
        "name": "<string>",
        "symbol": "<string>",
        "id": "<string>"
      },
      "measurement_unit": {
        "name": "<string>",
        "abbreviation": "<string>",
        "id": "<string>",
        "html_symbol": null
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "paper": {
    "id": "<string>",
    "paper_from": {
      "name": "<string>",
      "id": "<string>",
      "image_url": null
    },
    "external_id": null,
    "governing_gtc": {
      "name": "<string>",
      "short_code": "<string>",
      "id": "<string>"
    },
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "legal_provisions": [
      {
        "id": "<string>",
        "provision": {
          "name": "<string>",
          "short_code": "<string>",
          "content": "<string>",
          "organization": "<unknown>",
          "id": "<string>"
        },
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z"
      }
    ]
  },
  "fees": [
    {
      "id": "<string>",
      "type": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "fee_category": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "currency": {
        "name": "<string>",
        "symbol": "<string>",
        "id": "<string>"
      },
      "amount": null,
      "transport_leg": "<unknown>",
      "measurement_unit": {
        "name": "<string>",
        "abbreviation": "<string>",
        "id": "<string>",
        "html_symbol": null
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "total_cost": 123
    }
  ],
  "premiums": [
    {
      "amount": 123,
      "id": "<string>",
      "name": "Premium",
      "currency": {
        "name": "<string>",
        "symbol": "<string>",
        "id": "<string>"
      },
      "measurement_unit": {
        "name": "<string>",
        "abbreviation": "<string>",
        "id": "<string>",
        "html_symbol": null
      },
      "paid_by": {
        "name": "<string>",
        "id": "<string>",
        "image_url": null
      },
      "paid_to": {
        "name": "<string>",
        "id": "<string>",
        "image_url": null
      },
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "pricing_provisions": [
    {
      "id": "<string>",
      "type": {
        "name": "<string>",
        "short_code": "<string>",
        "id": "<string>"
      },
      "description": null,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z",
      "fee": {
        "type": "<unknown>",
        "fee_category": "<unknown>",
        "currency": "<unknown>",
        "id": "<string>",
        "amount": null,
        "transport_leg": "<unknown>",
        "measurement_unit": "<unknown>",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z"
      },
      "groups": [
        {
          "id": "<string>",
          "provision": {
            "type": "<unknown>",
            "contract": "<unknown>",
            "fee": "<unknown>",
            "id": "<string>",
            "description": null,
            "created_at": "2023-11-07T05:31:56Z",
            "updated_at": "2023-11-07T05:31:56Z"
          },
          "parent_group": "<unknown>",
          "logical_operator": {
            "name": "<string>",
            "symbol": "<string>",
            "id": "<string>"
          },
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z",
          "conditions": [
            {
              "value": 123,
              "id": "<string>",
              "measurement_property": {
                "name": "<string>",
                "short_code": "<string>",
                "id": "<string>"
              },
              "measurement_unit": {
                "name": "<string>",
                "abbreviation": "<string>",
                "id": "<string>",
                "html_symbol": null
              },
              "comparison_operator": {
                "name": "<string>",
                "symbol": "<string>",
                "id": "<string>"
              },
              "created_at": "2023-11-07T05:31:56Z",
              "updated_at": "2023-11-07T05:31:56Z"
            }
          ]
        }
      ]
    }
  ]
}