{"id":"9ad325e7-352c-4343-bcbc-2f11fbcd1333","shortId":"RNNBqj","kind":"x402","title":"KYC verification endpoint on Base, paid per-call via x402 with USDC.","tagline":"KYC verification endpoint on Base, paid 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/66` 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 — no API keys, accounts, or rate limits are required.\n\nThe hosting site lowpaymentfee.com offers a broad catalog 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, the specific KYC verification endpoint listed here is not prominently featured on the site's 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 schema or example responses are documented, callers 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 significantly limits usability.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","per-call-pricing","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC check","identity verification","know your customer","ID verification","compliance check","AML screening"],"warnings":["No input schema or request body documentation found — callers must guess the expected POST payload.","No response schema or example responses available.","The /api/v1/kyc/verifications/66 path is not listed among the site's advertised APIs; its purpose and data sources are unclear.","Docs, pricing, and API pages returned no useful content beyond a 'Connect wallet' prompt.","KYC/identity verification is a regulated category — verify the provider's compliance posture before relying on this in production."],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/66","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/66","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 challenge, but there is no documentation, no input/output schema, and no examples. The KYC verification endpoint is not listed on the site's landing page, and all doc pages returned only a wallet-connect prompt. Effectively a stub 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'0.02':56,109 '402':200 'AML screening' 'ID verification' 'KYC check' 'accept':49 'access':39 'account':76 'ai/ml':99 'analyt':98 'api':74,95,151 'base':5,18,63 'base-network' 'bodi':187 'broad':88 'call':9,22,58,94 'caller':173 'catalog':89 'challeng':201 'charg':53 'compliance check' 'confirm':194 'connect':157 'contact':179 'content':163 'crawl':146 'custom':36 'data':97,102 'describ':133 'determin':183 'doc':148 'document':132,172,206 'endpoint':3,16,28,117,192 'exampl':169 'expect':185 'experi':177 'featur':123 'field':138 'finance/web3':101 'format':141 'found':143 'handl':67 'header':72 'host':83 'howev':112 'identity verification' 'infer':100 'infrastructur':104 'inlin':68 'input':135,166 'key':75 'know':34 'know your customer' 'kyc':1,14,33,115 'kyc-verification' 'lack':204 'land':128 'limit':79,208 'list':118 'live':195 'lowpaymentfee.com':30,85 'need':175 'network':64 'no-api-key' 'offer':86 'page':129,152 'paid':6,19 'pay':92 'pay-per-cal':91 'payment':43,65 'per':8,21,57,93,110 'per-cal':7,20 'per-call-pricing' 'post':50,186 'price':107,149 'promin':122 'prompt':159 'protocol':44 'provid':31,181 'rate':78 'request':51,111 'requir':81,137 'resourc':47 'respons':140,170,189 'return':154,196 'schema':136,167 'servic':38 'signific':207 'site':84,126 'span':96 'specif':46,114 'structur':190 'usabl':209 'usdc':13,26,60 'usdc-settlement' 'util':105 'valid':198 'verif':2,15,37,116 'via':10,23,40,69 'wallet':158 'x402':11,24,42,71,199 'x402-payment'","prices":[{"id":"282f4797-8ce7-46f5-ae01-4fdcf0aa1d81","listingId":"9ad325e7-352c-4343-bcbc-2f11fbcd1333","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/66","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:16.175Z"}],"sources":[{"listingId":"9ad325e7-352c-4343-bcbc-2f11fbcd1333","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/66","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:16.175Z","lastSeenAt":"2026-04-22T01:01:05.682Z"}],"details":{"listingId":"9ad325e7-352c-4343-bcbc-2f11fbcd1333","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/66 \\\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 of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/66"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/66"},{"claim":"Site advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages returned only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Verifying user identity as part of onboarding flows","Compliance checks for financial or Web3 applications","Automated KYC screening in agent-driven workflows"],"bestFor":["Developers needing pay-per-call KYC without subscription commitments","Agent workflows that settle payments in USDC on Base","Applications requiring keyless, instant-access identity verification"],"notFor":["Bulk KYC processing where per-call pricing is inefficient","Use cases requiring detailed documentation or SLA guarantees","Environments that cannot settle payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.129Z"},"updatedAt":"2026-04-22T01:01:05.682Z"}}