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Claude API usage monitor — curl_cffi + OAuth dual-path
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Eagle 850f003df1 init: claude-usage.py — dual-path Claude usage monitor 
- Web API (curl_cffi + Chrome TLS fingerprint) as primary
- OAuth API (stdlib urllib) as fallback
- Burn rate analysis, daily marks, history logging
2026-03-19 07:15:45 +08:00
claude-usage.py init: claude-usage.py — dual-path Claude usage monitor 2026-03-19 07:15:45 +08:00
README.md init: claude-usage.py — dual-path Claude usage monitor 2026-03-19 07:15:45 +08:00

README.md

claude-usage

Claude API usage monitor with dual-path authentication.

Two API Paths

1. Web API (Primary) — curl_cffi + sessionKey cookie

  • Endpoint: claude.ai/api/organizations/{org_id}/usage
  • Uses curl_cffi impersonate="chrome" to bypass Cloudflare TLS fingerprint (JA3/JA4) detection
  • Returns extra_usage, prepaid/credits balance
  • sessionKey needs manual refresh from browser devtools

2. OAuth API (Fallback) — stdlib urllib + Bearer token

  • Endpoint: api.anthropic.com/api/oauth/usage
  • Standard Python TLS (no fingerprint needed)
  • Token auto-refreshes via refresh_token
  • No extra_usage/prepaid data

Setup

  1. Install dependency: pip install curl_cffi (or use uv run)
  2. Set WEB_TOKEN to your claude.ai sessionKey cookie
  3. Set org ID in the API URLs
  4. Place OAuth credentials at ~/.claude/.credentials.json

Usage

# Show usage
uv run claude-usage.py

# Mark daily baseline (run at 00:00)
uv run claude-usage.py --mark

# Log snapshot to history
uv run claude-usage.py --log

# Force OAuth API (skip Web API)
uv run claude-usage.py --oauth

Output

📊 Token Usage (claude.ai web @ 07:04:49)

Session ░░░░░░░░░░   1% used 🟢 ↻4h55m
Weekly  ███████▊░░  78% used 🟢 ↻1d3h +20%
Sonnet  ▏░░░░░░░░░   2% used 🟢 ↻1d5h

--- 燃燒速率 ---
完美速率: 14.3%/天
當前速率: 13.4%/天（93% ratio）
可以超速 141%喔! 🏎️

Credits

Original: 拍拍 🦅 (Eagle) Bash reference: 踏踏 🐾 (Tata)