curl --request GET \
  --url https://zero.cat/api/usage/token/ \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://zero.cat/api/usage/token/"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://zero.cat/api/usage/token/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "code": true,
  "message": "ok",
  "data": {
    "object": "token_usage",
    "name": "my-key",
    "total_granted": 500000,
    "total_used": 100000,
    "total_available": 400000,
    "unlimited_quota": false,
    "model_limits": {},
    "model_limits_enabled": false,
    "expires_at": 0,
    "user_quota": {
      "total_available": 400000,
      "total_used": 100000
    }
  }
}