Claude Proxy
A simple proxy server for the Anthropic Claude API
Usage
Send requests to any path on this server, and they will be proxied to the Anthropic API.
Examples:
POST /v1/messages→https://api.anthropic.com/v1/messagesGET /v1/models→https://api.anthropic.com/v1/modelsPOST /v1/messages/stream→https://api.anthropic.com/v1/messages/stream
Required Headers:
x-api-key: Your Anthropic API keyContent-Type: application/json: For POST requestsanthropic-version: API version (optional, defaults to 2023-06-01)
Example cURL:
curl -X POST https://your-domain.com/v1/messages \
-H "x-api-key: your-api-key" \
-H "Content-Type: application/json" \
-d '{
"model": "claude-3-sonnet-20240229",
"max_tokens": 1000,
"messages": [{"role": "user", "content": "Hello!"}]
}'Development Changelog Timeline
Initial Setup
Project foundation and basic configuration
1. Vercel Edge Proxy Setup
Configure Vercel edge regions globally
2. Root Path Proxy Implementation
Implement [[...path]] dynamic routing
Add comprehensive path forwarding
Complete transparent proxy functionality
3. Fix "filter" undefined error
Implement transparent proxy
Preserve request/response headers
Skip problematic headers filtering
4. Fix 504 Timeout Issues
Add adaptive timeout handling
Implement retry with backoff
Add request performance monitoring
Production Ready
Final deployment and optimization
Key Improvements:
🌍 Global Edge Deployment
Leveraged Vercel's edge regions for optimal global performance and reduced latency.
🔄 Complete Proxy Transparency
Implemented root path proxy with dynamic routing for seamless Claude API integration.
🛡️ Error Handling
Fixed undefined filter errors through proper header handling and request preservation.
⚡ Performance Optimization
Added adaptive timeouts, retry mechanisms, and performance monitoring for reliability.