curl --fail-with-body -sS 'https://api-testnet.lumeus.dev/v1/usage' \
  -H "Authorization: Bearer $LUMEUS_API_KEY"

// Node 18+ (ES module)
const res = await fetch('https://api-testnet.lumeus.dev/v1/usage', {
  method: 'GET',
  headers: {
    Authorization: `Bearer ${process.env.LUMEUS_API_KEY}`,
  },
});
console.log(res.status, JSON.stringify(await res.json(), null, 2));

import json
import os

import requests

res = requests.get(
    "https://api-testnet.lumeus.dev/v1/usage",
    headers={"Authorization": f"Bearer {os.environ['LUMEUS_API_KEY']}"},
    timeout=30,
)
print(res.status_code, json.dumps(res.json(), indent=2))

{
  "monthly_credits_used": 54269,
  "monthly_requests": 14954,
  "period": "2026-10-20",
  "period_end": "2026-11-20T09:04:24Z",
  "period_start": "2026-10-20T09:04:24Z",
  "plan": "enterprise",
  "prepaid_balance": 0,
  "rate_limit_per_minute": 30000,
  "testnet": {
    "free": true,
    "day": "2026-10-22",
    "daily_requests_used": 1234,
    "daily_requests_limit": null,
    "daily_requests_remaining": null,
    "resets_at": "2026-10-23T00:00:00Z"
  }
}

{
  "code": "unauthorized",
  "error": "missing credentials",
  "request_id": "req_6f1c2a9b0e4d4c7a8b3f5e21"
}

{
  "code": "forbidden",
  "error": "this API key is read-only; use a full-access key or a signed-in session",
  "request_id": "req_6f1c2a9b0e4d4c7a8b3f5e21"
}

{
  "code": "method_not_allowed",
  "error": "method POST is not allowed on /v1/usage; allowed: GET, HEAD",
  "request_id": "req_6f1c2a9b0e4d4c7a8b3f5e21"
}

{
  "code": "rate_limited",
  "error": "rate limit exceeded",
  "request_id": "req_6f1c2a9b0e4d4c7a8b3f5e21"
}

{
  "code": "unavailable",
  "error": "funding usage unavailable",
  "request_id": "req_6f1c2a9b0e4d4c7a8b3f5e21"
}