PUT api/v{version}/Contacts/UpdateContact/{id}?key={key}

Updates an existing contact in the system.

Request Information

URI Parameters

Name	Description	Type	Additional information
key	The API key used for authentication/authorization.	string	Required
id	The ID of the contact to update.	integer	Required
version		string	None.

Body Parameters

The data transfer object containing the contact details.

ContactInDTO

Name	Type	Additional information
AutomaticUbl	boolean	None.
Bic	string	Matching regular expression pattern: ^[A-Z]{4}[A-Z]{2}[A-Z0-9]{2}([A-Z0-9]{3})?$ Max length: 11
Bus	string	None.
CellNr	string	None.
Company	boolean	None.
ContactCategory	integer	None.
CountryISO	string	None.
DateOfBirth	date	None.
Email	string	None.
ExternalID	string	None.
FunctionalTypes	Collection of integer	None.
GroupBilling	boolean	None.
Header1	string	None.
Header2	string	None.
Header3	string	None.
Iban	string	Max length: 34
Language	integer	None.
Memo	string	None.
Name	string	None.
NonGDPR	boolean	None.
ParentID	integer	None.
PaymentCondition	integer	None.
Postalcode	string	None.
Street	string	None.
TAV	string	None.
Telnr	string	None.
Town	string	None.
Type	string	None.
VatCode	string	None.
VATCountryISO	string	None.
VATNr	string	None.
KvK	string	Max length: 8

Request Formats

application/json, text/json

Sample:

{
  "AutomaticUbl": true,
  "Bic": "sample string 1",
  "Bus": "sample string 2",
  "CellNr": "sample string 3",
  "Company": true,
  "ContactCategory": 1,
  "CountryISO": "sample string 4",
  "DateOfBirth": "2025-07-15T03:52:33.7131383+02:00",
  "Email": "sample string 5",
  "ExternalID": "sample string 6",
  "FunctionalTypes": [
    1,
    2
  ],
  "GroupBilling": true,
  "Header1": "sample string 7",
  "Header2": "sample string 8",
  "Header3": "sample string 9",
  "Iban": "sample string 10",
  "Language": 1,
  "Memo": "sample string 11",
  "Name": "sample string 12",
  "NonGDPR": true,
  "ParentID": 1,
  "PaymentCondition": 1,
  "Postalcode": "sample string 13",
  "Street": "sample string 14",
  "TAV": "sample string 15",
  "Telnr": "sample string 16",
  "Town": "sample string 17",
  "Type": "sample string 18",
  "VatCode": "sample string 19",
  "VATCountryISO": "sample string 20",
  "VATNr": "sample string 21",
  "KvK": "sample string 22"
}

Response Information

Resource Description

A indicating the result of the operation: - if the contact is successfully updated. - if the request is invalid. - if the contact is not found.

HttpResponseMessage

Name	Type	Additional information
Version	Version	None.
Content	HttpContent	None.
StatusCode	HttpStatusCode	None.
ReasonPhrase	string	None.
Headers	Collection of Object	None.
RequestMessage	HttpRequestMessage	None.
IsSuccessStatusCode	boolean	None.