curl --request GET \
  --url https://api.whatsapp-use.com/v1/whatsapp/contacts \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "person_id": "<string>",
      "display_name": "<string>",
      "first_name": "<string>",
      "last_name": "<string>",
      "company": "<string>",
      "whatsapp_push_name": "<string>",
      "phone_e164": "<string>",
      "phone_jid": "<string>",
      "lid_jid": "<string>"
    }
  ]
}