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Name the seller in the 402: x402-merchant extension - #57
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mpp-pay from x402-doctor (#139): the agent sends USDC.e on Tempo with the MPP memo and answers with the transaction hash, checked on a Tempo RPC; the 402 then carries an evm and a tempo challenge and /openapi.json lists both offers. Off until MPP_TEMPO_RECIPIENT is set. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
A 402 with a payment that was refused now logs network (from the x402 payment header, or the MPP credential's method: evm = base, tempo = Tempo), so the usage log can show which network traffic comes from. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
…ithub.com/Fizzl13/SmartContractExplainer into claude/x402-agents-solana-payments-nceg9b
On mainnet the paid routes also accept the same dollar price in RLUSD on the XRP Ledger, to XRPL_PAY_TO (default Frits's account with the RLUSD trust line; XRPL_PAY_TO=off turns it off), verified and submitted by an in-process facilitator from @x402/xrpl, as in the other Fizzl services. The usage log counts RLUSD in dollars. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
…ithub.com/Fizzl13/SmartContractExplainer into claude/x402-agents-solana-payments-nceg9b
Agents built on t54's x402-xrpl / Xrpl.X402 SDK (most of the XRPL AI Hub)
sign with the x402 SourceTag 804681468, bind the invoice in Memos and send
{ signedTxBlob, invoiceId }. @x402/xrpl refuses Memos, so those payments now
go to t54's hosted facilitator, which verified and settled such a payment
on testnet; standard @x402/xrpl payments stay in-process (also re-tested on
testnet with the SourceTag in the requirements). Every XRPL accept now
carries extra.sourceTag. XRPL_T54_URL=off keeps everything local.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
…lana-payments-nceg9b
Google crawled the homepage but has not indexed it yet; these give it a clear signal which URL to index. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
…ithub.com/Fizzl13/SmartContractExplainer into claude/x402-agents-solana-payments-nceg9b
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
…ithub.com/Fizzl13/SmartContractExplainer into claude/x402-agents-solana-payments-nceg9b
A refused MPP credential is logged as payment_failed with protocol mpp; it now also carries reason (the problem detail sent back, max 160 characters), so a client that can't pay us shows what went wrong. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
…ithub.com/Fizzl13/SmartContractExplainer into claude/x402-agents-solana-payments-nceg9b
With ALGORAND_PAY_TO set (an Algorand account with the USDC opt-in), both paid routes also offer the same dollar price in USDC (ASA 31566704) on Algorand mainnet, settled by GoPlausible's public facilitator, which pays the Algorand fee. It sits before the URL facilitator and offers only Algorand, so PayAI never claims it. Off without the variable or with "off". Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
GoPlausible's x402 catalog reads the x402-merchant extension (name, website, logo, categories) when it settles a payment and shows it on the merchant, one per pay-to address. Both paid routes now carry it, the same on every fizzl.eu service. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TsD5haPKxeWjYmErHzvU48
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GoPlausible's x402 catalog (
facilitator.goplausible.xyz/discovery) lists every Fizzl route since last night's Algorand payments, but the merchant profile is empty (name,website,logoall null). It fills that profile from thex402-merchantextension of the 402 challenge when it settles a payment; one merchant per pay-to address, and all four fizzl.eu services share one on Algorand. Other sellers there (Coil, x402 Echo Service, proptech.watch) use exactly this shape.merchant.js: the extension,{ info: { name: "Fizzl", website, logo, categories }, schema }, the same on every fizzl.eu service. The logo ishttps://fizzl.eu/logo-512.png(Fizzl13/fizzl.eu#49).test/algorand.test.js).npm test: 30/30.The profile updates on the next settled payment through GoPlausible, so after the four services deploy one small Algorand payment is enough.
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