{"id":"643855a2-959a-41e7-9244-bf53a3ee5498","shortId":"aRzc7r","kind":"x402","title":"KYC identity verification via x402 micropayment on Base, $0.02 per request.","tagline":"KYC identity verification via x402 micropayment on Base, $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides a KYC (Know Your Customer) verification service accessible via the x402 payment protocol. The endpoint path `/api/v1/kyc/verifications/50` suggests identity verification functionality, though the specific request/response schema is not documented in the available crawl material.\n\nThe endpoint is live and returns a valid x402 challenge. It accepts POST requests and settles payments in USDC on the Base network. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request — consistent with the site-wide flat pricing of $0.02/request advertised on the landing page. Payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using the \"exact\" payment scheme with a 300-second timeout.\n\nThe provider (lowpaymentfee.com) hosts a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, and infrastructure utilities, all at the same $0.02 price point. No API keys or rate limits are required — access is granted purely through x402 payment headers. However, documentation is extremely thin: the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further content. The actual request body format and response structure for this KYC verification endpoint are unknown from the available material.","tags":[],"capabilities":["kyc-verification","identity-verification","x402-payment","usdc-settlement","base-network","pay-per-request","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","ID verification","compliance check","customer verification","AML screening"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","Request body schema and response format are completely unknown","The actual KYC verification capability is inferred solely from the URL path; no functional details are documented","No compliance certifications or data handling policies are documented for this identity/KYC service","Handling sensitive PII (KYC data) with no visible privacy policy or security documentation is a significant concern"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/50","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/50","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 zero documentation on request/response schemas, no OpenAPI spec, and all doc pages render only 'Connect wallet'. The actual KYC verification functionality cannot be verified from available material — the endpoint name is the only evidence of its 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'/request':113 '0.02':9,20,100,112,160 '000':91 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':124 '20':90 '300':132 '6':96 'AML screening' 'ID verification' 'KYC API' 'accept':73 'access':35,171 'actual':203 'address':123 'advertis':114 'ai/ml':150 'amount':87 'analyt':149 'api':146,164,186 'avail':59,219 'base':8,19,83,92 'base-network' 'bodi':205 'broad':140 'catalog':141 'challeng':71 'compliance check' 'connect':195 'consist':103 'content':201 'crawl':60 'custom':32 'customer verification' 'data':148 'decim':97 'doc':185 'document':56,180 'endpoint':24,42,63,214 'equal':99 'exact':127 'extrem':182 'financ':152 'flat':109 'format':206 'function':48 'gate':145 'grant':173 'header':178 'host':138 'howev':179 'ident':2,13,46 'identity verification' 'identity-verification' 'infer':151 'infrastructur':154 'key':165 'know':30 'know your customer' 'kyc':1,12,29,212 'kyc-verification' 'land':117 'limit':168 'live':65 'lowpaymentfee.com':26,137 'materi':61,220 'max':86 'micropay':6,17 'network':84 'no-api-key' 'page':118,190 'path':43 'pay-per-request' 'payment':39,78,119,128,177 'per':10,21,101 'point':162 'post':74 'price':110,161,187 'prompt':197 'protocol':40 'provid':27,136 'pure':174 'rate':167 'readm':189 'render':192 'request':11,22,75,102,204 'request/response':52 'requir':88,170 'respons':208 'return':67 'schema':53 'scheme':129 'second':133 'sent':121 'servic':34 'settl':77 'site':107 'site-wid':106 'span':147 'specif':51 'structur':209 'suggest':45 'thin':183 'though':49 'timeout':134 'unit':93 'unknown':216 'usdc':80,95 'usdc-settlement' 'use':125 'util':155 'valid':69 'verif':3,14,33,47,213 'via':4,15,36 'wallet':196 'wide':108 'x402':5,16,38,70,144,176 'x402-gated':143 'x402-payment'","prices":[{"id":"92157b04-8b31-4ed2-a071-6a24472900cf","listingId":"643855a2-959a-41e7-9244-bf53a3ee5498","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/50","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:17.357Z"}],"sources":[{"listingId":"643855a2-959a-41e7-9244-bf53a3ee5498","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/50","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:17.357Z","lastSeenAt":"2026-04-22T01:01:05.739Z"}],"details":{"listingId":"643855a2-959a-41e7-9244-bf53a3ee5498","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/50 \\\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 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/50"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/50"},{"claim":"Documentation pages render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Verifying customer identity as part of onboarding flows","Compliance checks for financial or regulated services","Automated KYC screening triggered by agent workflows","Pay-per-use identity verification without subscription commitments"],"bestFor":["Developers needing low-cost per-call KYC checks","Agent-based workflows requiring keyless API access via x402","Projects already settling on Base network with USDC"],"notFor":["Teams needing detailed API documentation before integration","High-volume KYC pipelines requiring bulk pricing or SLAs","Use cases requiring specific compliance certifications (none documented)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.083Z"},"updatedAt":"2026-04-22T01:01:05.739Z"}}