curl --request POST \
  --url https://api.sakari.io/v1/accounts/{accountId}/attributes/{attributeType} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "chris@sakari.io",
  "firstName": "Chris",
  "lastName": "Bloggs",
  "lists": [
    {
      "name": "<string>",
      "keyword": "<string>",
      "doubleOptIn": {
        "enabled": true,
        "prompt": "<string>"
      },
      "filter": {
        "q": "<string>",
        "attributes": [
          {
            "attribute": "<string>",
            "comparator": "<string>",
            "value": [
              "<string>"
            ]
          }
        ],
        "list": "<string>",
        "valid": true,
        "invalid": true,
        "blocked": true,
        "unblocked": true,
        "optIn": true
      },
      "optInConfirmation": "<string>",
      "optIn": "2023-11-07T05:31:56Z",
      "optOut": "2023-11-07T05:31:56Z"
    }
  ],
  "attributes": {},
  "optIn": "2023-11-07T05:31:56Z",
  "blocked": "2023-11-07T05:31:56Z",
  "activecampaign": {
    "id": 123
  },
  "hubspot": {
    "id": 123
  },
  "pipedrive": {
    "id": 123
  }
}
'

{
  "success": true,
  "data": {
    "amount": 123,
    "below": 123,
    "lastTopup": "2023-11-07T05:31:56Z"
  }
}