{"brand":"geld machen","sku":"xrpl-ping","title":"XRPL Ping: MPP Charge Probe","description":"Tiny XRPL Machine Payments Protocol (MPP) charge probe for agents: GET /product/xrpl-ping.json → HTTP 402 WWW-Authenticate method=xrpl intent=charge in XRP drops on XRPL testnet/mainnet (feature-flagged). Parallel to Base x402 USDC — does not replace it. Brand: geld machen.","rail":"xrpl-mpp-charge","free":true,"buy":"https://geld-machen-x402.fly.dev/product/xrpl-ping.json","status":{"enabled":"testnet","active":true,"network":"testnet","recipient":"rfn89c3uJh1xcw6sYk9Qc5bdkhd1dpEUsc","path":"/product/xrpl-ping.json","teaser":"/product/xrpl-ping/teaser.json","amountDrops":"10000","amountXrp":"0.01","currency":"XRP","intent":"charge","method":"xrpl","protocol":"mpp","docs":"https://mpp.dev/payment-methods/xrpl","parallelTo":"base-x402-usdc","sidecar":"http://127.0.0.1:4022"},"how":{"1":"GET buy URL → expect HTTP 402 with WWW-Authenticate method=xrpl intent=charge","2":"Sign XRPL Payment (pull mode blob) via xrpl-mpp-sdk / MPP wallet","3":"Retry with Payment credential → 200 + Payment-Receipt"},"note":"Base x402 USDC SKUs remain live and unchanged."}