curl --request GET \
  --url https://davinci-app.com/api/v2/projects/{projectId}/sessions/{sessionId}/usage \
  --header 'Authorization: Bearer <token>'

import os
from davinci_sdk import DavinciClient

with DavinciClient(api_key=os.environ["DAVINCI_API_KEY"]) as client:
    with client.sessions.create(project_id) as session:
        session.send_message("Add a mounting bracket")
        session.wait_until_done()

        usage = session.usage()
        print(f"That run cost {usage.totals.credits} credits")

import { DavinciClient } from '@celedon/davinci-sdk';

const client = new DavinciClient({
  apiKey: process.env.DAVINCI_API_KEY!,
});

await client.sessions.with(projectId, async (session) => {
  await session.sendMessage('Add a mounting bracket');
  await session.waitUntilDone();

  const usage = await session.usage();
  console.log(`That run cost ${usage.totals.credits} credits`);
});

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

fetch('https://davinci-app.com/api/v2/projects/{projectId}/sessions/{sessionId}/usage', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "scope": "account",
  "asOf": "2023-11-07T05:31:56Z",
  "totals": {
    "credits": 123,
    "promptTokens": 123,
    "completionTokens": 123,
    "reasoningTokens": 123,
    "cacheWriteTokens": 123,
    "cacheReadTokens": 123,
    "eventCount": 123
  },
  "projectId": "<string>",
  "sessionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "groupBy": "model",
  "groups": [
    {
      "credits": 123,
      "promptTokens": 123,
      "completionTokens": 123,
      "reasoningTokens": 123,
      "cacheWriteTokens": 123,
      "cacheReadTokens": 123,
      "eventCount": 123,
      "provider": "<string>",
      "model": "<string>",
      "projectId": "<string>",
      "sessionId": "<string>",
      "day": "2023-11-07T05:31:56Z"
    }
  ]
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}