Gets the top 1000 contacts who have had a specific preference opt-in status modified since a given date, in a given address book

This method retrieves an array of up to 1000 contacts from a specific address book who have had their specified preference opt-in status modified since a given date.

If no contacts are subscribed to the given preference, an empty array is returned. Otherwise an array containing contact objects is returned.


Preference categories

Results are returned only for preferences, not preference categories.

If you specify the ID of a preference category in the path parameter, an empty array will always be returned.

SOAP action:


Input and output parameters

Input parameters

  • PreferenceID - required; integer
  • MinContactID - integer

Output parameters

  • GetContactsWithPreferenceResult - Array of Contacts
    • Contact
      • ID - Integer
      • Email - string


using (var proxy = new ApiServiceClient())
    proxy.ClientCredentials.UserName.UserName = "username";
    proxy.ClientCredentials.UserName.Password = "password";
    var result = await proxy.GetModifiedPreferencesOptInsByAddressBookAsync(bookId: 2, sinceDate: DateTime.UtcNow.AddDays(-1), preferenceId: 1, minContactId: 0);