{"uid":"cap_YkOkeOo4rWDsz5zcpWiDY","slug":"kenward-payable-api-marketplace-payability-check-79576b9f","name":"Kenward Payable API – Marketplace Payability Check","description":"Pay-per-call data settled in USDC on Base. No account, no API key, no human in the loop. Measured 2026-10-05: p50 89-105 ms end-to-end over the public internet; our own handling cost is reported per response in the X-Kenward-Serve-Ms header. Safe by construction: the server holds no private key (/health reports holds_keys=false), a signed payment is delivered once, and an unmeasured market answers UNKNOWN instead of a guess. Launch price: 0.025 USD (50% off 0.05) for the first 100 unique paying wallets (excluding the operator's own wallet).","url":"https://pay.kenwardai.my.id/v1/payability?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"],"type":"string"},"queryParams":{"type":"object","properties":{"market":{"type":"string","description":"marketplace id, e.g. dealwork"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"as_of":"2026-09-14","market":"dealwork","verdict":{"note":"no escrow lock, no completion, no payment observed","label":"NEVER_PAID"},"boundary":"snapshot-derived; never invents a value","coverage_pct":100}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","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":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pvgehsODkSisl6zpQkDxC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a payability verdict (e.g. NEVER_PAID) for a given marketplace, indicating whether payments have been observed or completed on that platform.","exampleAgentPrompt":"Can you check whether the 'dealwork' marketplace has ever had confirmed payments or escrow completions — I want to know if it's actually payable before I list my services there.","exampleUseCases":[{"title":"Vetting a marketplace before onboarding","prompt":"Before I sign up as a seller on dealwork, can you check if that marketplace has any confirmed payment history or if it's never actually paid anyone?"},{"title":"Due diligence for a marketplace integration","prompt":"We're considering integrating with a third-party marketplace called dealwork — can you pull their payability verdict so I know if real transactions have been observed on their platform?"},{"title":"Fraud risk check on an unfamiliar platform","prompt":"I found a marketplace ID 'dealwork' mentioned in a contract — can you verify whether this marketplace has a legitimate payment record or if it's flagged as never having paid?"}],"resultDescription":"Returns a JSON object containing the marketplace ID, a snapshot date (as_of), a verdict object with a label (e.g. NEVER_PAID) and an explanatory note, the boundary of the data (snapshot-derived), and a coverage percentage indicating how complete the analysis is.","failureModes":["Missing or invalid 'market' query parameter may return an error or empty result","Unknown marketplace IDs may return a verdict with limited coverage or no data","Stale snapshot data if the marketplace was recently active — boundary field clarifies this","Payment failure (402) if the x402 micropayment is not correctly sent or USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-use payability verdict on a specific marketplace without setting up an account or API key. It is ideal for one-off due diligence checks, automated trust-scoring pipelines, or fraud risk assessments where you need a snapshot-based answer about whether a marketplace has observed real payment activity. Prefer this over manual research or heavyweight data providers when cost-per-query efficiency and no-registration access matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:33:19.152Z","isFirstParty":false,"canonicalSlug":"kenward-payable-api-marketplace-payability-check-79576b9f"}