/v1/usage

curl https://api.qlaud.ai/v1/usage -H "x-api-key: $QLAUD_MASTER_KEY"

{
  "from_ms": 1746124800000,
  "to_ms": 1746518400000,
  "total_cost_micros": 7340000,
  "total_input_tokens": 142000,
  "total_output_tokens": 68000,
  "request_count": 312,
  "by_key": [
    {
      "key_id": "0e2c3a91-...",
      "key_name": "user_42",
      "key_prefix": "qlk_live_a1b2…wxyz",
      "cost_micros": 2347000,
      "input_tokens": 41000,
      "output_tokens": 22000,
      "request_count": 84
    }
  ],
  "by_model": [
    {
      "model_slug": "claude-sonnet-4-6",
      "provider_slug": "anthropic",
      "cost_micros": 4900000,
      "input_tokens": 95000,
      "output_tokens": 38000,
      "request_count": 200
    }
  ]
}

curl https://api.qlaud.ai/v1/keys/<key_id>/usage \
  -H "x-api-key: $QLAUD_MASTER_KEY"

{
  "key_id": "0e2c3a91-...",
  "key_name": "user_42",
  "key_prefix": "qlk_live_a1b2…wxyz",
  "max_spend_micros": 5000000,
  "from_ms": 1746124800000,
  "to_ms": 1746518400000,
  "total_cost_micros": 2347000,
  "events": [
    {
      "id": "...",
      "model_slug": "claude-sonnet-4-6",
      "provider_slug": "anthropic",
      "surface": "messages",
      "input_tokens": 1024,
      "output_tokens": 512,
      "cost_micros": 28800,
      "latency_ms": 1840,
      "status": 200,
      "created_at": 1746518100000
    }
  ]
}