# Update Contact

Updates a contact.

Endpoint: PUT /subscriber/{subscriberid}
Version: 0.0.0

## Path parameters:

  - `subscriberid` (integer, required)
    Contact ID.

## Request fields (application/json):

  - `newemail` (string,null)
    Valid email address and must contain @.

Either email or smsnumber is required.
Email address must be unique per contact.
    Example: "alex.example@klicktipp.example"

  - `newsmsnumber` (string,null)
    Phone number in international format.

Either email or smsnumber is required.
SMS number must be unique per contact.

  Accepted input:
  - +4912345678
  - 004912345678

  Stored format:
- 004912345678
    Example: "+491701234567"

  - `fields` (object,null)
    Additional custom fields for the subscriber.

Keys must match the field names configured in KlickTipp.
Each field expects a specific data format depending on its field type.

- Line: Single-line text without line breaks.
  Example: Alex Example
- Paragraph: Text with paragraphs. Use \n to separate paragraphs.
  Example: Dies ist ein Text.\nMit Absatz.
- Number: Integer value. No dot, no comma.
  Example: 42
- Decimal Number: Decimal value. Output always uses a dot as decimal separator.
  Example: Input 1999 → Output 19.99
- URL: Valid web address. Must start with http:// or https://.
  Example: https://klicktipp.com
- Time: Unix timestamp between 0 and 86399 (seconds since midnight).
  Example: 52200 (14:30 GMT)
- Date: Unix timestamp in seconds. Date formats like DD.MM.YYYY are not supported.
  Example: 1715126400 (08.05.2024 GMT)
- Date & Time: Unix timestamp in seconds. Do not send formatted date strings or values with spaces.
  Example: 1715603400 (13.05.2024 12:30:00 GMT)
- HTML: HTML-formatted content. Only use this type if the field explicitly allows HTML.
  Example: Hello World
    Example: {"fieldFirstName":"Alex","fieldLastName":"Example","fieldCompanyName":"Example Corp","fieldStreet1":"Example Street 1","fieldStreet2":"","fieldCity":"Berlin","fieldState":"Berlin","fieldZip":"10115","fieldCountry":"DE","fieldPrivatePhone":"+491701234567","fieldMobilePhone":"+491701234567","fieldPhone":"+492201234567","fieldFax":"4922012345678","fieldWebsite":"https://www.klicktipp.example","fieldBirthday":"755222400","fieldLeadValue":"100","field12345":"Custom Field Value"}