{"uid":"cap_-UmLcjgnK0QW5z3I_ui8R","slug":"agentdiet-paywall-check-78f2c419","name":"AgentDiet Paywall Check","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/paywall-check?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_ucDLKwS8Tqp0_5FNoiItS","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":"Checks whether a URL or HTTP resource is behind a paywall and returns compression/distillation ROI proof for context window optimization","exampleAgentPrompt":"Can you check if https://example.com/article is behind a paywall and tell me whether it's freely accessible or locked?","exampleUseCases":[{"title":"Pre-fetch paywall gate check","prompt":"Before you try to summarize that article at https://news.example.com/premium-story, can you check first whether it's behind a paywall so we don't waste tokens trying to fetch gated content?"},{"title":"Agent pipeline access validation","prompt":"I'm building an agent that reads research papers — can you probe https://journal.example.com/paper/12345 to see if it's paywalled or freely accessible via GET?"},{"title":"ROI proof before context distillation","prompt":"Check https://docs.example.com/long-guide and tell me the compression ratio I'd get if I distill it — I want to know the ROI before I pay to run it through the full context de-bloater."}],"resultDescription":"Returns a JSON object with a status field ('ok'), a data object, and an roi_proof object containing a compression_ratio_pct value (e.g. 91.4%) indicating how much the content can be compressed. Indicates whether the resource is accessible and provides proof of distillation value.","failureModes":["Invalid or unreachable URL returns error status","Missing required 'input' object causes validation failure","Unsupported HTTP method (not GET or POST) causes rejection","Payment not settled in USDC on Base causes 402 response blocking access","Timeout if target URL is slow to respond"],"whenToPreferThis":"Use this endpoint when an agent needs to quickly and cheaply ($0.01 USDC) verify whether a URL is paywalled before committing to a full content fetch or distillation operation. Particularly useful in agentic pipelines that need to pre-screen web resources for accessibility and estimate token compression ROI before running expensive context window operations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:42:15.571Z","isFirstParty":false,"canonicalSlug":"agentdiet-paywall-check-78f2c419"}