{"id":"8782adda-912e-40fd-91a0-0cf6d5dcedcc","shortId":"Hn3eG3","kind":"x402","title":"KYC verification endpoint on Base, pay-per-call via x402 with USDC.","tagline":"KYC verification endpoint on Base, pay-per-call via x402 with USDC.","description":"This endpoint at lowpaymentfee.com provides a KYC (Know Your Customer) verification service accessible via the x402 payment protocol. The specific resource `/api/v1/kyc/verifications/2` accepts POST requests and charges up to $0.02 per call in USDC on the Base network. No API keys or rate limits are required — callers simply attach an x402 payment header to each request.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all priced at $0.02 per request. However, this specific endpoint focuses on KYC verification. The platform advertises no minimums, no commitments, and instant access.\n\nDocumentation is extremely sparse. The crawled /docs, /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the KYC verification endpoint expects or returns. The endpoint is confirmed live (returns a proper 402 x402 challenge), but without documentation it is unclear what input the POST body should contain or what the verification response looks like.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC check","identity verification","know your customer","ID verification","compliance check","AML screening","customer verification"],"warnings":["No documentation available — /docs, /api, /pricing, and /README pages are all empty beyond a wallet connect prompt","No OpenAPI schema or request/response examples provided","KYC/identity verification is a regulated category — no compliance certifications or data handling policies are documented","The endpoint path includes '/2' which may indicate a specific verification record rather than a general-purpose endpoint","It is unclear what input fields the POST body requires"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/2","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/kyc/verifications/2","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"POST","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is zero documentation on request format, response schema, or what the KYC verification actually checks. All doc pages return only 'Connect wallet' with no content. This is effectively a stub 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'/api/v1/kyc/verifications/2':48 '/docs':141 '/pricing':143 '/readme':145 '0.02':56,114 '402':187 'AML screening' 'ID verification' 'KYC check' 'accept':49 'access':39,134 'advertis':127 'ai/ml':104 'analyt':103 'api':66,100 'attach':75 'base':5,18,63 'base-network' 'bodi':200 'broader':89 'call':9,22,58,99 'caller':73 'challeng':189 'charg':53 'commit':131 'compliance check' 'confirm':182 'connect':151 'contain':202 'content':157 'crawl':140 'custom':36 'customer verification' 'data':102,107 'descript':168 'document':135,192 'dozen':94 'endpoint':3,16,28,84,120,175,180 'exampl':165 'expect':176 'extrem':137 'field':171 'finance/web3':106 'focus':121 'header':79 'howev':117 'identity verification' 'infer':105 'infrastructur':109 'input':197 'instant':133 'key':67 'know':34 'know your customer' 'kyc':1,14,33,123,173 'kyc-verification' 'like':209 'limit':70 'live':183 'look':208 'lowpaymentfee.com':30,91 'minimum':129 'network':64 'no-api-key' 'offer':93 'openapi':161 'page':146 'part':86 'pay':7,20,97 'pay-per-cal':6,19,96 'pay-per-call' 'payment':43,78 'per':8,21,57,98,115 'platform':90,126 'post':50,199 'price':112 'prompt':153 'proper':186 'protocol':44 'provid':31 'rate':69 'request':51,82,116 'request/response':164 'requir':72 'resourc':47 'respons':207 'return':148,178,184 'schema':162 'servic':38 'simpli':74 'span':101 'spars':138 'specif':46,119 'substant':156 'unclear':195 'usdc':13,26,60 'usdc-settlement' 'util':110 'verif':2,15,37,124,174,206 'via':10,23,40 'wallet':152 'without':191 'x402':11,24,42,77,188 'x402-payment'","prices":[{"id":"86a8c22e-6989-4aee-9f9a-3c6528011fdd","listingId":"8782adda-912e-40fd-91a0-0cf6d5dcedcc","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/kyc/verifications/2","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"POST","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:56.272Z"}],"sources":[{"listingId":"8782adda-912e-40fd-91a0-0cf6d5dcedcc","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/2","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:56.272Z","lastSeenAt":"2026-04-22T07:00:59.857Z"}],"details":{"listingId":"8782adda-912e-40fd-91a0-0cf6d5dcedcc","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/2 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"POST","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units (USDC, 6 decimals = $0.02) on Base network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/2"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/2"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) contain only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Verifying customer identity as part of onboarding flows","Performing KYC checks without managing API key subscriptions","Integrating compliance verification into Web3 or DeFi applications","Agent-driven identity verification with per-call crypto payment"],"bestFor":["Developers needing on-demand KYC verification without subscription commitments","Web3 applications requiring pay-per-use identity checks settled in USDC","AI agents that need programmatic access to compliance endpoints via x402"],"notFor":["Teams requiring detailed API documentation and request/response schemas before integration","High-volume KYC pipelines where per-call pricing may not be cost-effective","Regulated environments that require vendor compliance certifications (none documented)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-03-05T21:27:09.749Z"},"updatedAt":"2026-04-22T07:00:59.857Z"}}