curl --request GET \
  --url https://deep-index.moralis.io/api/v2.2/entities/categories \
  --header 'X-API-Key: <api-key>'

{
  "result": [
    {
      "name": "Uniswap",
      "id": "uniswap",
      "total_entities": 100
    }
  ],
  "page": "1",
  "page_size": "100"
}