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

fetch('https://api.phaseo.app/v1/activity', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "ok": true,
  "period_days": 30,
  "limit": 50,
  "offset": 0,
  "total": 1250,
  "total_cost_cents": 12.5,
  "activity": [
    {
      "request_id": "req_abc123",
      "provider": "openai",
      "model": "gpt-4o",
      "endpoint": "chat.completions",
      "usage": {
        "input_tokens": 123,
        "output_tokens": 123,
        "total_tokens": 123
      },
      "cost_cents": 0.015,
      "latency_ms": 450,
      "timestamp": "2026-01-20T10:30:00Z"
    }
  ]
}