Update Contact Custom Field

Updates a contact custom field in Constant Contact.

PUT

Query

Field selectionChoose which fields should be included in the response. Learn more

string

Comma-separated response fields to include.

Body

Arguments

stringrequired

The ID that uniquely identifies the custom field to update.

string

The custom field label to display.

array of object

Array of choice objects for single_select or multi_select fields.

Try this request

Request

curl --request PUT \
  --url "https://connect.mindcloud.co/v1/universal/constantContact/latest/actions/update-contact-custom-field" \
  --header "Authorization: Bearer $MINDCLOUD_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "connectionId": "$CONNECTION_ID",
  "customFieldId": ""
}'

{
  "success": true,
  "data": [
    {
      "choices": [
        {}
      ],
      "createdAt": "2026-05-07T12:00:00.000Z",
      "customFieldId": "string",
      "label": "string",
      "metadata": {},
      "name": "Ava Chen",
      "type": "string",
      "updatedAt": "2026-05-07T12:00:00.000Z",
      "version": 1
    }
  ],
  "meta": {}
}

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