{"uid":"cap_JTCNxJbYlhZpec8bF7XKV","slug":"agent-payment-receipt-mandate-verifier-x402-trust-audit-10aba7b8","name":"Agent Payment Receipt & Mandate Verifier — x402 Trust Audit","description":"Agent-commerce trust/audit API for x402 challenge correctness, receipts, replay/context binding, failed payout triage, mandate readiness, and MCP/A2A discoverability.","url":"https://x402.167-172-95-184.nip.io/mcp/call?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tool":{"type":"string"},"arguments":{"type":"object"}}},"responseSchema":{"type":"json","example":{"ok":true,"tool":"scan_revenue_surfaces","result":{"next_actions":["Promote stable-domain x402 listing","Escalate verified unpaid BountyBook payout"],"ranked_surfaces":["x402 paid API","BountyBook verified content","DealWork awarded contracts"]},"network":"base","timestamp":1780000000},"description":"Paid MCP-style gateway: execute Revenue Swarm tools such as revenue surface scans and x402 audits after x402 payment."},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ksd7ivL30Wm-UXaiRlXEd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits x402 payment challenges, verifies receipts and mandate readiness, triages failed payouts, and checks replay/context binding for agent-commerce trust.","exampleAgentPrompt":"Can you audit this x402 payment receipt and check whether the challenge was correctly formed, the mandate is ready, and there are no replay issues — use the scan_revenue_surfaces tool to also rank available revenue surfaces on Base?","exampleUseCases":[{"title":"Triage failed agent payout","prompt":"One of my agents attempted a payout on Base and it failed — can you triage what went wrong with the x402 payment, check whether the mandate was ready, and tell me what steps I should take to fix it?"},{"title":"Validate replay protection on payment","prompt":"I want to make sure this x402 payment can't be replayed — can you validate the replay protection and context binding for the transaction, and flag anything that looks off?"},{"title":"Audit MCP endpoint discoverability","prompt":"Can you audit my x402 endpoints for MCP and A2A discoverability, check that the challenges are correctly formed, and rank which revenue surfaces on Base I should prioritize?"}],"resultDescription":"Returns a JSON object with ok status, the tool name invoked, a result object containing next_actions (recommended steps), ranked_surfaces (prioritized revenue surfaces), the Base network identifier, and a Unix timestamp. May also return payout triage details, mandate readiness flags, and replay/context binding validation outcomes.","failureModes":["Payment not received or x402 challenge not satisfied — returns 402 with payment instructions","Invalid tool name — returns error indicating unrecognized tool","Malformed arguments object — returns validation error","Replay detected — returns error indicating duplicate or context-mismatched payment","Network mismatch — result may reference wrong chain if Base is not specified","Service unavailable at raw IP endpoint — connection timeout or TLS error on nip.io domain"],"whenToPreferThis":"Choose this endpoint when you need to audit x402 protocol compliance — specifically verifying payment receipts, checking mandate readiness, triaging failed payouts, or scanning revenue surfaces in an agent-commerce context on the Base network. Prefer this over generic payment APIs when the x402 HTTP payment protocol is in use and you need trust/audit-level validation rather than just executing a payment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:39:59.179Z","isFirstParty":false,"canonicalSlug":"agent-payment-receipt-mandate-verifier-x402-trust-audit-10aba7b8"}