curl --request POST \
  --url https://messenger-public-api.cogfy.com/contacts \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '
{
  "firstName": "John",
  "lastName": "Doe",
  "email": "john.doe@example.com",
  "phone": "5511999998888",
  "occupation": "Developer",
  "notes": "Met at the conference",
  "tags": [
    {
      "name": "customers"
    }
  ],
  "customProperties": {
    "plan": "premium"
  }
}
'