{"uid":"cap_Wo_EfhHzBIxQU7I3yjcRZ","slug":"agentdiet-x402-payment-verifier-d254847e","name":"AgentDiet x402 Payment Verifier","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://status.agentdiet.dev settling in USDC on Base.","url":"https://status.agentdiet.dev/v1/x402-verifier?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"url":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2Elv64-1m_tyqxTE4V_WQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies x402 HTTP payment requests and confirms proof-of-payment for API access, returning compression ROI proof metadata.","exampleAgentPrompt":"Use AgentDiet's x402 verifier to check whether this incoming GET request has a valid x402 payment attached before I process it.","exampleUseCases":[{"title":"Gate agent API behind x402 payment","prompt":"Before my agent serves a response to this incoming POST request, verify it has a valid x402 USDC payment attached using AgentDiet's verifier."},{"title":"Confirm micropayment before context distillation","prompt":"I'm about to run a context compression job — can you check with AgentDiet's x402 verifier that the payment on this GET request is valid before proceeding?"},{"title":"Audit x402 payment proof for a client call","prompt":"A client agent just hit my endpoint with a GET request claiming to have paid via x402 — verify the payment and give me the ROI proof so I can log it."}],"resultDescription":"Returns a JSON object with a status field ('ok'), a data object, and an roi_proof object containing the compression_ratio_pct (e.g. 91.4%), confirming whether the x402 payment on the submitted HTTP request is valid.","failureModes":["Invalid or missing x402 payment header results in rejection","Unsupported HTTP method (not GET or POST) causes schema validation error","Malformed URL in queryParams returns error status","Payment settled on wrong chain or token (not USDC on Base) fails verification","Network timeout or node unavailability returns no response"],"whenToPreferThis":"Choose this endpoint when you need to verify x402-standard HTTP micropayments settled in USDC on Base, especially in agent-to-agent (A2A) or bot-to-agent (B2A) workflows where deterministic payment confirmation is required before serving a resource or API response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:43:38.174Z","isFirstParty":false,"canonicalSlug":"agentdiet-x402-payment-verifier-d254847e"}