POST public-api/customers/updateExisting

This method updates the existing customers. Every customer will have a customer number. It requires the Edit Customer permission. It accepts a maximum of 500 records at a time. This will not work for customers with unknown customer numbers. To create/update addresses (instead of ignoring them), please use the API public-api/addresses/customer/save. Use “Save” to perform operations including both inserts and updates.

Request Information

URI Parameters

None.

Body Parameters

CustomerSaveRequest

Name	Description	Type	Additional information
ApplicableFields		Collection of string	None.
Data		Collection of CustomerModelInfo	None.

Request Formats

application/json

Sample:

{
  "ApplicableFields": [
    "sample string 1",
    "sample string 2"
  ],
  "Data": [
    {
      "ImportRowNumber": 1,
      "CustomerNumber": "sample string 2",
      "CustomerFirstName": "sample string 3",
      "CustomerLastName": "sample string 4",
      "CustomerEmail": "sample string 5",
      "CustomerDepartment": "sample string 6",
      "CustomerCompanyName": "sample string 7",
      "CustomerContactEmail": "sample string 8",
      "CustomerWebsite": "sample string 9",
      "CustomerContactFirstName": "sample string 10",
      "CustomerContactLastName": "sample string 11",
      "Addresses": [
        {
          "AddressLine1": "sample string 1",
          "AddressLine2": "sample string 2",
          "AddressLine3": "sample string 3",
          "AddressLine4": "sample string 4",
          "AddressCity": "sample string 5",
          "AddressStateProvince": "sample string 6",
          "AddressCountry": "sample string 7",
          "AddressPostalCode": "sample string 8",
          "AddressTypeName": "sample string 9",
          "ContactPhone": "sample string 10",
          "ContactEmail": "sample string 11"
        },
        {
          "AddressLine1": "sample string 1",
          "AddressLine2": "sample string 2",
          "AddressLine3": "sample string 3",
          "AddressLine4": "sample string 4",
          "AddressCity": "sample string 5",
          "AddressStateProvince": "sample string 6",
          "AddressCountry": "sample string 7",
          "AddressPostalCode": "sample string 8",
          "AddressTypeName": "sample string 9",
          "ContactPhone": "sample string 10",
          "ContactEmail": "sample string 11"
        }
      ],
      "CustomerContactCellNumber": "sample string 12",
      "CustomerBusinessPhoneNumber": "sample string 13",
      "CustomerContactPhoneNumber": "sample string 14",
      "CustomerBusinessFaxNumber": "sample string 15",
      "CustomerContactFaxNumber": "sample string 16",
      "CustomerContactCell": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerBusinessPhone": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerContactPhone": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerBusinessFax": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerContactFax": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerNote": "sample string 17",
      "CustomerNotes": [
        {
          "NoteText": "sample string 1",
          "NoteDate": "2026-02-17T10:16:47.5792649+00:00",
          "UserLogon": "sample string 2"
        },
        {
          "NoteText": "sample string 1",
          "NoteDate": "2026-02-17T10:16:47.5792649+00:00",
          "UserLogon": "sample string 2"
        }
      ],
      "CustomFields": [
        {
          "ImportRowNumber": 1,
          "DcfLabel": "sample string 2",
          "DCFDataType": 1,
          "DcfTextValue": "sample string 3",
          "DcfNumberValue": 1.0,
          "DcfDateValue": "2026-02-17T10:16:47.5792649+00:00",
          "DcfValueRecordStatus": 0
        },
        {
          "ImportRowNumber": 1,
          "DcfLabel": "sample string 2",
          "DCFDataType": 1,
          "DcfTextValue": "sample string 3",
          "DcfNumberValue": 1.0,
          "DcfDateValue": "2026-02-17T10:16:47.5792649+00:00",
          "DcfValueRecordStatus": 0
        }
      ],
      "HasAttachment": true,
      "CustomerName": "sample string 19",
      "IsAutogeneratedCustomerNumber": true,
      "AttachmentsToAdd": [
        "sample string 1",
        "sample string 2"
      ],
      "AttachmentsToDelete": [
        "sample string 1",
        "sample string 2"
      ],
      "LastUpdated": "2026-02-17T10:16:47.5792649+00:00",
      "AttachmentNames": [
        {
          "Key": "sample string 1",
          "Value": "sample string 2"
        },
        {
          "Key": "sample string 1",
          "Value": "sample string 2"
        }
      ]
    },
    {
      "ImportRowNumber": 1,
      "CustomerNumber": "sample string 2",
      "CustomerFirstName": "sample string 3",
      "CustomerLastName": "sample string 4",
      "CustomerEmail": "sample string 5",
      "CustomerDepartment": "sample string 6",
      "CustomerCompanyName": "sample string 7",
      "CustomerContactEmail": "sample string 8",
      "CustomerWebsite": "sample string 9",
      "CustomerContactFirstName": "sample string 10",
      "CustomerContactLastName": "sample string 11",
      "Addresses": [
        {
          "AddressLine1": "sample string 1",
          "AddressLine2": "sample string 2",
          "AddressLine3": "sample string 3",
          "AddressLine4": "sample string 4",
          "AddressCity": "sample string 5",
          "AddressStateProvince": "sample string 6",
          "AddressCountry": "sample string 7",
          "AddressPostalCode": "sample string 8",
          "AddressTypeName": "sample string 9",
          "ContactPhone": "sample string 10",
          "ContactEmail": "sample string 11"
        },
        {
          "AddressLine1": "sample string 1",
          "AddressLine2": "sample string 2",
          "AddressLine3": "sample string 3",
          "AddressLine4": "sample string 4",
          "AddressCity": "sample string 5",
          "AddressStateProvince": "sample string 6",
          "AddressCountry": "sample string 7",
          "AddressPostalCode": "sample string 8",
          "AddressTypeName": "sample string 9",
          "ContactPhone": "sample string 10",
          "ContactEmail": "sample string 11"
        }
      ],
      "CustomerContactCellNumber": "sample string 12",
      "CustomerBusinessPhoneNumber": "sample string 13",
      "CustomerContactPhoneNumber": "sample string 14",
      "CustomerBusinessFaxNumber": "sample string 15",
      "CustomerContactFaxNumber": "sample string 16",
      "CustomerContactCell": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerBusinessPhone": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerContactPhone": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerBusinessFax": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerContactFax": {
        "PhoneNumber": "sample string 1",
        "PhoneExtension": "sample string 2",
        "PhoneTypeName": "sample string 3"
      },
      "CustomerNote": "sample string 17",
      "CustomerNotes": [
        {
          "NoteText": "sample string 1",
          "NoteDate": "2026-02-17T10:16:47.5792649+00:00",
          "UserLogon": "sample string 2"
        },
        {
          "NoteText": "sample string 1",
          "NoteDate": "2026-02-17T10:16:47.5792649+00:00",
          "UserLogon": "sample string 2"
        }
      ],
      "CustomFields": [
        {
          "ImportRowNumber": 1,
          "DcfLabel": "sample string 2",
          "DCFDataType": 1,
          "DcfTextValue": "sample string 3",
          "DcfNumberValue": 1.0,
          "DcfDateValue": "2026-02-17T10:16:47.5792649+00:00",
          "DcfValueRecordStatus": 0
        },
        {
          "ImportRowNumber": 1,
          "DcfLabel": "sample string 2",
          "DCFDataType": 1,
          "DcfTextValue": "sample string 3",
          "DcfNumberValue": 1.0,
          "DcfDateValue": "2026-02-17T10:16:47.5792649+00:00",
          "DcfValueRecordStatus": 0
        }
      ],
      "HasAttachment": true,
      "CustomerName": "sample string 19",
      "IsAutogeneratedCustomerNumber": true,
      "AttachmentsToAdd": [
        "sample string 1",
        "sample string 2"
      ],
      "AttachmentsToDelete": [
        "sample string 1",
        "sample string 2"
      ],
      "LastUpdated": "2026-02-17T10:16:47.5792649+00:00",
      "AttachmentNames": [
        {
          "Key": "sample string 1",
          "Value": "sample string 2"
        },
        {
          "Key": "sample string 1",
          "Value": "sample string 2"
        }
      ]
    }
  ]
}

Response Information

Resource Description

WaspResultOfResults

Name	Type	Additional information
Data	Results	None.
Messages	Collection of WtResult	None.
BatchNumber	integer	None.
HasError	boolean	None.
HasHttpError	boolean	None.
HasMessage	boolean	None.
HasSuccessWithMoreDataRemaining	boolean	None.
TotalRecordsLongCount	integer	None.

Response Formats

application/json

Sample:

{
  "Data": {
    "ResultList": [
      {
        "ResultCode": 0,
        "Message": "sample string 1",
        "HttpStatusCode": 200,
        "FieldName": "sample string 2"
      },
      {
        "ResultCode": 0,
        "Message": "sample string 1",
        "HttpStatusCode": 200,
        "FieldName": "sample string 2"
      }
    ],
    "SuccessfullResults": 1,
    "TotalResults": 2,
    "ErrorCount": 0
  },
  "Messages": [
    {
      "ResultCode": 0,
      "Message": "sample string 1",
      "HttpStatusCode": 200,
      "FieldName": "sample string 2"
    },
    {
      "ResultCode": 0,
      "Message": "sample string 1",
      "HttpStatusCode": 200,
      "FieldName": "sample string 2"
    }
  ],
  "BatchNumber": 1,
  "HasError": false,
  "HasHttpError": false,
  "HasMessage": true,
  "HasSuccessWithMoreDataRemaining": false,
  "TotalRecordsLongCount": 1
}