POST 17.0/app/contacts

{
  "firstNames": "sample string 1",
  "lastName": "sample string 2",
  "titleId": 1,
  "salutation": "sample string 3",
  "email": "sample string 4",
  "mobile": "sample string 5",
  "homeTelephone": "sample string 6",
  "homeAddress": {
    "countryCode": 1,
    "postCode": "sample string 2",
    "propertyName": "sample string 3",
    "street": "sample string 4",
    "locality": "sample string 5",
    "town": "sample string 6",
    "region": "sample string 7",
    "country": "sample string 8"
  },
  "companyName": "sample string 7",
  "businessTelephone": "sample string 8",
  "businessAddress": {
    "countryCode": 1,
    "postCode": "sample string 2",
    "propertyName": "sample string 3",
    "street": "sample string 4",
    "locality": "sample string 5",
    "town": "sample string 6",
    "region": "sample string 7",
    "country": "sample string 8"
  },
  "mailingAddress": 0,
  "dateOfBirth": "2025-11-04T08:05",
  "typeId": 1,
  "requirements": {
    "category": 0,
    "usage": 0,
    "maxPrice": 1.0,
    "minBedrooms": 64
  },
  "marketingPreferences": {
    "post": true,
    "email": true,
    "smsText": true,
    "telephone": true,
    "passDetailsToThirdParties": true,
    "passDetailsToIFA": true,
    "passDetailsToConveyancer": true
  },
  "assignedUserId": 1,
  "siteId": 1
}

<NewContact xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <FirstNames>sample string 1</FirstNames>
  <LastName>sample string 2</LastName>
  <TitleId>1</TitleId>
  <Salutation>sample string 3</Salutation>
  <Email>sample string 4</Email>
  <Mobile>sample string 5</Mobile>
  <HomeTelephone>sample string 6</HomeTelephone>
  <HomeAddress>
    <CountryCode>1</CountryCode>
    <PostCode>sample string 2</PostCode>
    <PropertyName>sample string 3</PropertyName>
    <Street>sample string 4</Street>
    <Locality>sample string 5</Locality>
    <Town>sample string 6</Town>
    <Region>sample string 7</Region>
    <Country>sample string 8</Country>
  </HomeAddress>
  <CompanyName>sample string 7</CompanyName>
  <BusinessTelephone>sample string 8</BusinessTelephone>
  <BusinessAddress>
    <CountryCode>1</CountryCode>
    <PostCode>sample string 2</PostCode>
    <PropertyName>sample string 3</PropertyName>
    <Street>sample string 4</Street>
    <Locality>sample string 5</Locality>
    <Town>sample string 6</Town>
    <Region>sample string 7</Region>
    <Country>sample string 8</Country>
  </BusinessAddress>
  <MailingAddress>Home</MailingAddress>
  <DateOfBirth>2025-11-04T08:05:05.2598308+00:00</DateOfBirth>
  <TypeId>1</TypeId>
  <Requirements>
    <Category>Sales</Category>
    <Usage>Residential</Usage>
    <MaxPrice>1</MaxPrice>
    <MinBedrooms>64</MinBedrooms>
  </Requirements>
  <MarketingPreferences>
    <Post>true</Post>
    <Email>true</Email>
    <SmsText>true</SmsText>
    <Telephone>true</Telephone>
    <PassDetailsToThirdParties>true</PassDetailsToThirdParties>
    <PassDetailsToIFA>true</PassDetailsToIFA>
    <PassDetailsToConveyancer>true</PassDetailsToConveyancer>
  </MarketingPreferences>
  <AssignedUserId>1</AssignedUserId>
  <SiteId>1</SiteId>
</NewContact>

Sample not available.