curl --request GET \
  --url https://app.manuscritten.com/api/public/senders \
  --header 'X-API-KEY: <api-key>'

{
  "data": [
    {
      "id": "a8c9b331-0f1a-4f32-9e75-d4a24ce3b129",
      "name": "Oficina Central"
    }
  ]
}