curl --location \
  'https://api.dgrid.ai/api/v1/model-router/billing-json?request_id=<DGRID_REQUEST_ID>' \
  --header 'Authorization: Bearer <DGRID_API_KEY>'

{
  "code": 200,
  "message": "ok",
  "data": {
    "request_id": "req_**********86dc9x",
    "billing_json": {
      "model": "anthropic/claude-opus-4.6",
      "input_cost": 0.54909,
      "output_cost": 0.0027500000000000003,
      "cache_create_cost": 0,
      "cache_read_cost": 0,
      "request_cost": 0,
      "total_cost": 0.55184,
      "supplier_id": 1,
      "input_tokens": 109818,
      "output_tokens": 110,
      "cache_create_tokens": 0,
      "cache_read_tokens": 0,
      "pricing_mode": "usage",
      "pricing_snapshot": {
        "pricing_mode": "usage",
        "input_price_per_1m": 5,
        "output_price_per_1m": 25,
        "cache_create_price": 6.25,
        "cache_read_price": 0.5,
        "price_per_request": null,
        "input_tiers": [],
        "output_tiers": [],
        "cache_create_tiers": [],
        "cache_read_tiers": []
      }
    }
  }
}

{
  "code": 401,
  "message": "unauthorized"
}

{
  "code": 404,
  "message": "not found"
}