Production-Ready Gas Sponsorship Platform
Modular ERC-4337 Paymaster SDK with HMAC-signed policies, usage quotas, and real-time monitoring. Built for Base with full authentication and metrics tracking.
Gas Sponsorship Demo
Test ERC-4337 gas sponsorship on Base. Your transaction fees will be covered by the paymaster.
SDK Features
🔐 HMAC-Signed Policies
Secure sponsorship policies with cryptographic signatures
📊 Usage Quotas
Daily limits and per-transaction gas caps
🔍 Real-time Monitoring
Prometheus-compatible metrics and dashboards
⚡ Transaction Relaying
Next.js API routes for fast transaction processing
🔑 Session Auth
HMAC-based authentication with secure sessions
🎯 ERC-4337 Native
Full account abstraction support on Base