What is Robinhood Payments Protocol (RPP402)?
RPP402 is an open commerce protocol for autonomous AI on Robinhood Chain. The official site and docs describe it as a standard that lets AI agents discover services, request pricing, authorize payment, settle commerce onchain, and receive cryptographic proof that the transaction happened. RPP402 v1 is organized around six core primitives: Discovery, Quote, Commerce Session, Payment Intent, Settlement, and Receipt. The project is positioned as protocol infrastructure for machine-to-machine commerce rather than a generic retail payment app.
Where can you buy Robinhood Payments Protocol?
Robinhood Payments Protocol (RPP402) is traded on a wide range of centralized and decentralized exchanges. The most liquid markets for RPP402 sit on tier-1 venues - the sort of exchanges where institutional desks and professional market makers rebalance continuously - which is what keeps the spread tight and the last price tied closely to fair value.
The price and 24-hour volume on this page combine the exchanges ReadPrices tracks for RPP402. Before you trade, compare the fee schedule and the order-book depth on the venue you plan to use: the same coin can cost noticeably more to buy on a thin market.