curl --request POST \
  --url https://api.narev.ai/v1/calculate \
  --header 'Content-Type: application/json' \
  --data '
{
  "model_id": "gpt-4o",
  "provider_id": "openai",
  "usage": {
    "prompt_tokens": 1000,
    "completion_tokens": 500,
    "cache_read_tokens": 0,
    "cache_write_tokens": 0,
    "reasoning_tokens": 0,
    "web_search_count": 0
  }
}
'

{
  "model_id": "<string>",
  "provider_id": "<string>",
  "usage": {
    "prompt_tokens": 123,
    "completion_tokens": 123,
    "cache_read_tokens": 0,
    "cache_write_tokens": 0,
    "reasoning_tokens": 0,
    "web_search_count": 123
  },
  "pricing": {
    "prompt": 123,
    "completion": 123,
    "discount": 123,
    "request": 123,
    "web_search": 123,
    "input_cache_read": 123,
    "input_cache_write": 123,
    "image": 123,
    "image_output": 123,
    "audio": 123,
    "audio_output": 123,
    "input_audio_cache": 123,
    "internal_reasoning": 123
  },
  "cost_breakdown": {
    "total": 123
  }
}