curl --get 'https://api.apimart.ai/v1/usage' \
  --header 'Authorization: Bearer <token>' \
  --data-urlencode 'start=2026-09-01T00:00:00+08:00' \
  --data-urlencode 'end=2026-09-08T00:00:00+08:00' \
  --data-urlencode 'group_by=model'

import requests

response = requests.get(
    "https://api.apimart.ai/v1/usage",
    headers={"Authorization": "Bearer <token>"},
    params={
        "start": "2026-09-01T00:00:00+08:00",
        "end": "2026-09-08T00:00:00+08:00",
        "group_by": "model",
    },
    timeout=30,
)

payload = response.json()
if not response.ok or not payload.get("success"):
    message = payload.get("error", {}).get("message", "Nutzungsabfrage fehlgeschlagen")
    raise RuntimeError(f"HTTP {response.status_code}: {message}")

print(payload["data"]["total"])
print(payload["data"]["items"])

const url = new URL("https://api.apimart.ai/v1/usage");
url.search = new URLSearchParams({
  start: "2026-09-01T00:00:00+08:00",
  end: "2026-09-08T00:00:00+08:00",
  group_by: "model",
}).toString();

const response = await fetch(url, {
  headers: { Authorization: "Bearer <token>" },
});
const payload = await response.json();

if (!response.ok || !payload.success) {
  throw new Error(
    `HTTP ${response.status}: ${payload.error?.message ?? "Nutzungsabfrage fehlgeschlagen"}`,
  );
}

console.log(payload.data.total);
console.log(payload.data.items);

{
  "success": true,
  "data": {
    "scope": "key",
    "start": 1788192000,
    "end": 1788796800,
    "tz": "Asia/Shanghai",
    "group_by": "model",
    "total": {
      "amount_usd": 12.3456,
      "credits": 123.456,
      "requests": 1834,
      "prompt_tokens": 902311,
      "completion_tokens": 215044
    },
    "items": [
      {
        "model": "gpt-5.6-luna",
        "amount_usd": 9.1271,
        "credits": 91.271,
        "requests": 1520,
        "prompt_tokens": 880120,
        "completion_tokens": 201300
      },
      {
        "model": "sora-2",
        "amount_usd": 3.2185,
        "credits": 32.185,
        "requests": 314,
        "prompt_tokens": 22191,
        "completion_tokens": 13744
      }
    ]
  }
}

{
  "success": false,
  "error": {
    "code": "range_too_large",
    "message": "Time range must not exceed 31 days.",
    "type": "usage_query_error"
  }
}