Yes! PayNet implements all 5 core x402 protocol components: ✅ 1. HTTP 402 Status Code - Returns proper 402 responses when payment is required ✅ 2. Payment Request - Full x402-compliant payment requirements with x402Version, accepts array containing scheme, network, amount, token, payTo address, and resource metadata ✅ 3. Payment Header (X-Payment) - Accepts and parses payment proofs containing transaction hash, network, token, and amount ✅ 4. Verifier/Facilitator - Real-time blockchain verification across Solana, Base, Polygon, and Avalanche with on-chain transaction validation, duplicate prevention, and confirmation tracking ✅ 5. Receipt Header (X-Receipt) - Returns payment confirmation receipt with transaction hash, confirmations, recipient, timestamp, and verification status PayNet is a production-ready, fully compliant x402 facilitator. Try it live at You can test any endpoint with a real transaction - we verify everything on-chain in real-time.