curl --request GET \
  --url http://api/v3/pet/{petId} \
  --header 'api_key: <api-key>'

{
  "id": 10,
  "name": "doggie",
  "category": {
    "id": 1,
    "name": "Dogs"
  },
  "photoUrls": [
    "<string>"
  ],
  "tags": [
    {
      "id": 123,
      "name": "<string>"
    }
  ],
  "status": "available"
}