# Change a MIK

An HTTPS POST is issued with the "ContentType" header specifying the format of the request and
the "Accept" header specifying the format of the response.

Endpoint: POST /changeMIK

## Request fields (application/json):

  - `CustomerID` (string, required)
    The [License Key](https://docs.melissa.com/melissa/license/license-information.html) issued by Melissa.

  - `TransmissionReference` (string)
    Optional. Value passed through unchanged to the response for identification or any other purpose.

  - `Current` (array, required)
    This is a list of key/value pairs containing the original values before the change. The keys passed-in must align with ChangeTo. Empty or NULL values indicate no change.

  - `Current.Key` (string, required)
    The name of the field for data set by the associated value.

Key Field Values:
- AddressKey    - Optional. A unique identifier for a given address.
- AddressLine1  - Required. A minimum address location for the contact.
- AddressLine2  - Optional. The second address line.
- City          - Optional. The city name.
- Country       - Required. ISO2 code for the country.
- Latitude      - Required. The corrected latitude. Optional if Longitude is provided.
- Longitude     - Required. The corrected longitude. Optional if Latitude is provided.
- State         - Optional. The state name.
- Suite         - Optional. The suite number.
- Urbanization  - Optional. Only used for addresses in Puerto Rico. This is used to break ties between similar addresses in the same Postal Code.

  - `Current.Value` (string, required)
    The data for a field set by the associated key.

  - `ChangeTo` (array, required)
    This is a list of key/value pairs containing the new values after the change. The keys passed-in must align with Current. Empty or NULL values indicate no change.

  - `MelissaIdentityKey` (string, required)
    A proprietary unique key associated with a person.

  - `Reason` (string)
    Any additional information you want to add about the change request.

  - `RespondToEmail` (string)
    The email address to receive updates about the change request.

## Response 200 fields (application/json):

  - `Version` (string)
    The current service version number.

  - `TransmissionResults` (string)
    Lists error codes from any errors caused by the most recent request as a whole. For more information, see [Contribution Result Codes](https://docs.melissa.com/cloud-api/contribution/result-codes.html).

  - `TransmissionReference` (string)
    Serves as a unique request identifier.

  - `Results` (string)
    Comma delimited status, error codes, and change codes for the record. For more information, see [Contribution Result Codes](https://docs.melissa.com/cloud-api/contribution/result-codes.html).

  - `Message` (string)
    The response message for the request.

## Response 400 fields (application/json):

  - `type` (string)
    The type of error that occurred.

  - `title` (string)
    A short summary of the error.

  - `status` (integer)
    The HTTP status code for the error.

  - `errors` (object)

  - `errors.$.<PropertyName>` (array)
    A detailed message about the error.

  - `traceId` (string)
    A unique identifier for the request, useful for debugging.