EngineeringMulti-rail x402 in production: Tempo, Base, and Solana in one 402 response
How we route a single API call to three different facilitators based on which protocol header the agent supplies, why state-mutating endpoints stay single-chain, and what the runtime 402 actually looks like.
By Engineering teamMay 3, 2026
ProductThree primitives, two settlement chains
Why payroll, escrow, and reputation belong in one stack, and what changes when settled work writes portable on-chain credentials that other protocols can read.
By Product teamApril 21, 2026