{"uid":"cap_wOnb6RSoteGcdV1wloXZl","slug":"agentdiet-x402-mpp-paywall-verifier-8ce66678","name":"AgentDiet x402/MPP Paywall Verifier","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://rag-diet.agentdiet.dev settling in USDC on Base.","url":"https://rag-diet.agentdiet.dev/v1/x402-mpp-paywall-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__EbXtzUFYPEhOGsYQw89i","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 whether an x402/MPP paywall URL is accessible and validates payment-gated HTTP endpoints via a GET request","exampleAgentPrompt":"Can you verify whether this x402 paywall URL is accessible and returning valid data: https://example-paywall-endpoint.dev/resource — check it with a GET request and tell me the status and compression ratio?","exampleUseCases":[{"title":"Validate a newly deployed x402 paywall","prompt":"I just deployed a new x402 paywall at https://my-api.example.com/premium-data — can you verify it's correctly configured and responding with an OK status?"},{"title":"Confirm payment access after USDC transaction","prompt":"I just paid to access https://data-provider.dev/v1/feed via x402 — can you confirm that the paywall is now letting requests through and tell me what the ROI proof looks like?"},{"title":"Debug a broken micropayment endpoint","prompt":"My MPP-gated endpoint at https://analytics.myservice.io/report seems to not be responding after payment — can you probe it with a GET request and tell me what status and data come back?"}],"resultDescription":"Returns a JSON object with a status field (e.g. 'ok'), a data object containing any payload returned by the verified URL, and an roi_proof object that includes a compression_ratio_pct showing the efficiency gain (e.g. 91.4%).","failureModes":["URL not reachable or returns HTTP error — status field may reflect failure","Invalid or missing URL query parameter — returns validation error","Payment not confirmed or x402 token invalid — access denied response","Timeout if the target paywall endpoint is slow to respond","Malformed input object missing required 'type' or 'method' fields"],"whenToPreferThis":"Choose this endpoint when you need to programmatically verify that an x402, MPP, or L402 paywall-protected URL is correctly configured and accessible — especially in A2A or MCP agent pipelines where you need to confirm payment-gated access before routing downstream work. It is purpose-built for the x402/Base/USDC micropayment ecosystem and returns structured ROI/compression proof useful for agent auditing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:43:43.970Z","isFirstParty":false,"canonicalSlug":"agentdiet-x402-mpp-paywall-verifier-8ce66678"}