API Cost Tracker

Track AI API costs across OpenAI, Anthropic, Google AI with budget alerts, analytics, and optimization tips

Comprehensive AI API cost tracking across multiple providers. Monitor spending, set budgets, get alerts, and optimize your AI costs.

Features

• ✅ Multi-Provider Support - OpenAI, Anthropic, Google AI
• ✅ Real-Time Tracking - Monitor costs as they happen
• ✅ Budget Alerts - Get notified when approaching limits
• ✅ Usage Analytics - Detailed insights into API usage
• ✅ Cost Optimization - Tips to reduce spending
• ✅ Export Reports - JSON, CSV, Markdown formats
• ✅ Historical Data - Track costs over time
• ✅ Model Comparison - Compare costs across models

Installation

cd api-cost-tracker
npm install

Quick Start

# Track all providers
node scripts/main.mjs track

# Track specific provider
node scripts/main.mjs track --provider openai

# View analytics
node scripts/main.mjs analytics

# Set budget
node scripts/main.mjs budget set 100 --monthly

# Export report
node scripts/main.mjs export --format markdown --output report.md

Configuration

Edit config.json:

{
  "providers": {
    "openai": {
      "enabled": true,
      "apiKey": "${OPENAI_API_KEY}"
    },
    "anthropic": {
      "enabled": true,
      "apiKey": "${ANTHROPIC_API_KEY}"
    },
    "google": {
      "enabled": true,
      "apiKey": "${GOOGLE_AI_KEY}"
    }
  },
  "budgets": {
    "daily": 10,
    "weekly": 50,
    "monthly": 200
  },
  "alerts": {
    "enabled": true,
    "thresholds": [50, 75, 90, 100],
    "webhook": "https://your-webhook.com/alert"
  },
  "tracking": {
    "autoTrack": true,
    "interval": 300000
  }
}

API Reference

track(options)

Track API usage and costs.

Options:

• provider (string): Specific provider or 'all'
• period (string): 'today', 'week', 'month', 'all'

Returns:

{
  "total": 45.67,
  "providers": {
    "openai": 32.10,
    "anthropic": 10.50,
    "google": 3.07
  },
  "models": {
    "gpt-4": 28.50,
    "claude-3": 10.50
  }
}

analytics(period)

Get detailed analytics.

Period: 'day', 'week', 'month', 'year'

Returns:

• Cost trends
• Usage patterns
• Model efficiency
• Optimization suggestions

budget.set(amount, period)

Set budget limit.

budget.check()

Check current budget status.

export(format, options)

Export cost report.

Formats: 'json', 'csv', 'markdown'

Usage Examples

Track Daily Costs

node scripts/main.mjs track --period today

Output:

💰 API Costs - Today
━━━━━━━━━━━━━━━━━━━━━━━━━━━━
OpenAI
  GPT-4: $12.50 (125K tokens)
  GPT-3.5: $2.30 (230K tokens)
  Subtotal: $14.80

Anthropic
  Claude-3: $8.20 (82K tokens)
  Subtotal: $8.20

━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Total: $23.00
Budget: $200/month (11.5% used)

Set Budget Alert

node scripts/main.mjs budget set 100 --monthly
node scripts/main.mjs alerts enable

Export Monthly Report

node scripts/main.mjs export --format markdown --period month --output monthly-report.md

Compare Models

node scripts/main.mjs compare --models gpt-4,claude-3,gemini-pro

Pricing Reference

OpenAI (per 1K tokens)

• GPT-4: $0.03 (input) / $0.06 (output)
• GPT-4 Turbo: $0.01 / $0.03
• GPT-3.5 Turbo: $0.0005 / $0.0015

Anthropic (per 1K tokens)

• Claude-3 Opus: $0.015 / $0.075
• Claude-3 Sonnet: $0.003 / $0.015
• Claude-3 Haiku: $0.00025 / $0.00125

Google AI (per 1K tokens)

• Gemini Pro: $0.00025 / $0.0005
• Gemini Ultra: $0.0025 / $0.0075

Integration with OpenClaw

Add to your HEARTBEAT.md for automated tracking:

Every 6 hours:
- Run: node /path/to/api-cost-tracker/scripts/main.mjs track
- Alert if budget > 75%

Automated Budget Monitoring

# Add to crontab
0 */6 * * * cd /path/to/api-cost-tracker && node scripts/main.mjs check-budget

Advanced Features

Cost Optimization Tips

Run optimization analysis:

node scripts/main.mjs optimize

Get suggestions like:

• Switch to GPT-3.5 for simple tasks
• Use Claude-3 Haiku for fast responses
• Batch requests to reduce API calls
• Cache common responses

Webhook Integration

Configure alerts to send to webhooks:

{
  "webhooks": [
    {
      "url": "https://your-slack-webhook.com",
      "events": ["budget_exceeded", "high_usage"]
    }
  ]
}

Historical Analysis

# View last 30 days
node scripts/main.mjs history --days 30

# Compare months
node scripts/main.mjs compare --period month --previous

Data Storage

Cost data is stored locally:

data/
├── costs/
│   ├── 2026-03-01.json
│   ├── 2026-03-02.json
│   └── ...
├── budgets.json
└── alerts.log

Troubleshooting

API Key Issues

# Test API keys
node scripts/main.mjs test-keys

Missing Data

# Rebuild database
node scripts/main.mjs rebuild

Testing

npm test

License

MIT - Free for personal and commercial use.

Support

• GitHub Issues: [your-repo]
• OpenClaw Discord: https://discord.gg/clawd

Roadmap

• More providers (Cohere, AI21, etc.)
• Real-time dashboard
• Team cost sharing
• Custom pricing rules
• Predictive analytics