curl -X GET "https://api.tokenlab.sh/v1/management/api-keys" \
  -H "Authorization: Bearer mt-your-management-token"

{
  "object": "list",
  "data": [
    {
      "id": "key_abc123def456",
      "name": "Backend Worker",
      "key_prefix": "sk-live...",
      "status": "active",
      "limit_amount": 500,
      "limit_amount_decimal": "500",
      "used_amount": 148.25,
      "used_amount_decimal": "148.25",
      "models": [
        "gpt-5-mini",
        "claude-3-7-sonnet"
      ],
      "expires_at": "2026-12-31T23:59:59.000Z",
      "last_used_at": "2026-07-08T03:12:45.000Z",
      "created_at": "2026-07-01T10:00:00.000Z"
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 50,
    "total": 1,
    "totalPages": 1
  }
}