{"id":"7957df17-b6cc-44cf-8a0f-75555e13a1b5","shortId":"vexaRT","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/60` accepts POST requests and charges up to $0.02 per call in USDC on the Base network. Payment is handled inline via the x402 header challenge — no API keys, accounts, or rate limits are required.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all priced at $0.02 per request. However, the specific KYC verification endpoint is not listed on the site's public landing page, and no documentation describing its input schema, required fields, or response format was found in the crawl. The docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no further content.\n\nBecause no input/output schema, example payloads, or detailed documentation are available for this endpoint, integrators will need to experiment or contact the provider to determine the expected POST body and response structure. The endpoint is confirmed live (returns a valid x402 402 challenge), but the lack of documentation is a significant gap.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC check","identity verification","know your customer","ID verification","compliance check","customer verification"],"warnings":["No input schema or required fields documented for this KYC verification endpoint","The /api/v1/kyc/verifications/60 path is not listed among the provider's publicly advertised APIs","All documentation pages (docs, pricing, API, README) returned only a 'Connect wallet' prompt with no content","The meaning of the path segment '60' is unclear — it may be a verification type ID or a resource identifier"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/60","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/60","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, but there is no documentation, no input/output schema, no examples, and the specific KYC endpoint is not even listed on the provider's landing page. This is effectively a stub listing with only pricing and liveness 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'0.02':56,114 '402':208 'ID verification' 'KYC check' 'accept':49 'access':39 'account':77 'ai/ml':104 'analyt':103 'api':75,100,154 'avail':177 'base':5,18,63 'base-network' 'bodi':195 'broader':89 'call':9,22,58 'challeng':73,209 'charg':53 'compliance check' 'confirm':202 'connect':160 'contact':187 'content':166 'crawl':149 'custom':36 'customer verification' 'data':102,107 'describ':136 'detail':174 'determin':191 'doc':151 'document':135,175,214 'dozen':94 'endpoint':3,16,28,84,122,180,200 'exampl':171 'expect':193 'experi':185 'field':141 'finance/web3':106 'format':144 'found':146 'gap':218 'handl':67 'header':72 'howev':117 'identity verification' 'infer':105 'infrastructur':109 'inlin':68 'input':138 'input/output':169 'integr':181 'key':76 'know':34 'know your customer' 'kyc':1,14,33,120 'kyc-verification' 'lack':212 'land':131 'limit':80 'list':125 'live':203 'lowpaymentfee.com':30,91 'need':183 'network':64 'no-api-key' 'offer':93 'page':132,155 'part':86 'pay':7,20,97 'pay-per-cal':6,19 'pay-per-request':96 'payload':172 'payment':43,65 'per':8,21,57,98,115 'platform':90 'post':50,194 'price':112,152 'prompt':162 'protocol':44 'provid':31,189 'public':130 'rate':79 'request':51,99,116 'requir':82,140 'resourc':47 'respons':143,197 'return':157,204 'schema':139,170 'servic':38 'signific':217 'site':128 'span':101 'specif':46,119 'structur':198 'usdc':13,26,60 'usdc-settlement' 'util':110 'valid':206 'verif':2,15,37,121 'via':10,23,40,69 'wallet':161 'x402':11,24,42,71,207 'x402-payment'","prices":[{"id":"df6f98de-bde1-447d-ab91-fdc77b6e2054","listingId":"7957df17-b6cc-44cf-8a0f-75555e13a1b5","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/60","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:16.773Z"}],"sources":[{"listingId":"7957df17-b6cc-44cf-8a0f-75555e13a1b5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/60","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:16.773Z","lastSeenAt":"2026-04-22T01:01:05.708Z"}],"details":{"listingId":"7957df17-b6cc-44cf-8a0f-75555e13a1b5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/60 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units (USDC, 6 decimals = $0.02) on Base network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/60"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is used for payment on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/60"}],"useCases":["Verifying customer identity as part of onboarding flows","Compliance checks for financial or regulated services","Automated KYC screening in Web3 applications"],"bestFor":["Developers needing on-demand KYC verification without subscription commitments","Web3 projects requiring pay-per-call identity checks settled in USDC","Agents that can pay via x402 and need inline KYC capability"],"notFor":["Teams requiring detailed API documentation before integration","High-volume KYC pipelines needing bulk pricing or SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.129Z"},"updatedAt":"2026-04-22T01:01:05.708Z"}}