{"uid":"cap_TdEofdWmx8bMU5I7jqgRc","slug":"theloopbreaker-com-fb8feeab","name":"Vaultfire ERC-8004 Agent URI Update","description":"Update the agentURI of a registered ERC-8004 agent. Pay $0.10 in USDC and receive an unsigned transaction — sign locally in your wallet (which must be the registered agent). No private keys touch our servers.","url":"https://theloopbreaker.com/api/x402/actions/update-agent-uri","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object"},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nQ2HoA5TlvnZBC3QXaGr1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Prepares an unsigned transaction to update the agentURI of a registered ERC-8004 agent on-chain, charged at $0.10 USDC via x402 payment.","exampleAgentPrompt":"Update my ERC-8004 agent registration so that the agentURI points to https://myagent.example.com/manifest.json — my wallet address is 0xAbC...123 and I'll sign the transaction locally.","exampleUseCases":null,"resultDescription":"Returns an unsigned transaction object (target contract, calldata, value) that the caller must sign locally using the wallet registered as the ERC-8004 agent. No private keys are transmitted. The transaction, when signed and broadcast, updates the agentURI field in the on-chain ERC-8004 registry.","failureModes":["Payment not included or invalid x402 header — returns 402 Payment Required","Agent address not registered in ERC-8004 registry — returns 404 or contract revert","Caller wallet does not match registered agent — transaction will revert on-chain","Invalid or malformed agentURI format — validation error","Chain unavailable or RPC error — returns 503"],"whenToPreferThis":"Use this endpoint when you need to update the agentURI of an already-registered ERC-8004 agent on Vaultfire/theloopbreaker infrastructure. Prefer this over manual contract interaction when you want a ready-to-sign unsigned transaction prepared server-side without exposing private keys. This is specifically for URI mutations, not for initial agent registration (use the register endpoint instead).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:03:13.344Z","isFirstParty":false}