curl --request POST \
  --url 'https://api.uniblock.dev/uni/v1/hyperliquid/info#39' \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "type": "perpsAtOpenInterestCap"
}
'

const options = {
  method: 'POST',
  headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({type: 'perpsAtOpenInterestCap'})
};

fetch('https://api.uniblock.dev/uni/v1/hyperliquid/info#39', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.uniblock.dev/uni/v1/hyperliquid/info#39"

payload = { "type": "perpsAtOpenInterestCap" }
headers = {
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

[
  "CANTO",
  "FTM",
  "JELLY",
  "LOOM",
  "RLB",
  "ZEREBRO"
]