curl --request GET \
  --url https://api.qovery.com/application/{applicationId}/link \
  --header 'Authorization: <api-key>'

{
  "results": [
    {
      "service_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "service_type": "APPLICATION",
      "url": "<string>",
      "internal_port": 123,
      "external_port": 123,
      "is_qovery_domain": true,
      "is_default": true
    }
  ]
}