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Ripple Adds XRP and RLUSD Agent-Payment Support to Stripe and Tempo's Machine Payments Protocol

September 17, 2026 at 05:01 EDT

AI Agents
Finance
Software Dev & Coding

Ripple has expanded the XRP Ledger AI Starter Kit so AI agents can settle payments through Stripe and Tempo's Machine Payments Protocol using XRP Ledger rails. The v1.1 release adds MPP and Open Wallet Standard support on top of June's x402 work, putting XRP and Ripple USD (RLUSD) into more agent-to-service payment workflows rather than manual checkout flows.

Sep. 17, 2026 | Ripple

XRPL Joins The Agent-Payment Stack

The XRP Ledger AI Starter Kit v1.1 adds Stripe and Tempo's MPP plus OWS, extending agent payments beyond the original x402 path.

new cross-chain standards in v1.1

5.78M

all-time x402 transactions listed

2,275

live services charging per call

100,000+/s

off-chain voucher signing rate

Settlement window, drawn to scale

low end

high end

XRPL positions fast finality as a fit for autonomous purchases that need clear success or expiry.

How an agent pays

Request

Agent asks for a paid resource.

402

Service returns a payment challenge.

Settle

XRP, issued tokens or channel vouchers move value.

Deliver

The API, service or compute result is released.

Developer value

OWS reduces custom key handling, while xrpl-mpp-sdk covers the 402 flow, credential signing and session management.

Current limits

The SDK is beta, and session payments through Payment Channels are XRP-only until token-enabled channels advance.

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