MPP ↔ x402 Protocol Bridge

Two payment protocols, one intent. Tempo's Machine Payments Protocol and Base's x402 converge at the transport layer — enabling cross-chain agentic commerce.

Protocol Bridge Journey

J-301 · Comparative STP Stage Activation

Convergence Zonex402∅∅∅MPP∅S1IntentS2IdentityS3DiscoveryS4NegotiationS5TransportS6AuthorizationS7FacilitationS8Finality
x402 Protocol Flow
MPP Protocol Flow
Skipped/Inactive Stage (∅)
Protocol Convergence Zone

x402 Payment Request

HTTP/1.1 402 Payment Required
Payment-Required: true
Payment-Amount: 1.5
Payment-Token: USDC
Payment-Network: Base
Recipient: 0x742d35Cc6634C05329...

Tempo MPP Request

Click "Translate to MPP" to populate this panel