{"id":"8bd95fe5-46c3-4ce8-b0db-20fba6aa68cc","shortId":"a93QMv","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/10` accepts POST requests and charges up to $0.02 per call, settled 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 host site lowpaymentfee.com offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services, all priced at $0.02 per request. However, this specific listing is for the KYC verifications endpoint. The crawled documentation pages were essentially empty (showing only a \"Connect wallet\" prompt), so the exact request/response schema for this KYC endpoint is unknown. The endpoint is confirmed live — it returns a proper 402 x402 challenge when called without payment.\n\nBecause no OpenAPI spec, request body schema, or response examples are available, agents will need to experiment or obtain documentation from the provider to understand the required input fields and output format. The pricing is clear ($0.02 per call in USDC on Base), and the endpoint is discoverable via the x402 challenge.","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","AML verification","customer verification"],"warnings":["No request body schema documented — required input fields for KYC verification are unknown","No response schema or examples available","Documentation pages (/docs, /api, /pricing, /README) all render only a 'Connect wallet' prompt with no actual content","The endpoint description 'Premium API Access' is generic and does not describe KYC functionality; the KYC purpose is inferred solely from the URL path","Regulated category (KYC/identity) — verify provider compliance and data handling practices before use"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/10","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/10","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 OpenAPI spec, no request/response schema, and the documentation pages are empty. The KYC verification purpose is only inferred from the URL path; no details on required inputs or output format are 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'0.02':56,111,200 '402':157 'AML verification' 'ID verification' 'KYC check' 'accept':49 'access':39 'agent':176 'ai/ml':101 'analyt':100 'api':67,97 'attach':76 'avail':175 'base':5,18,64,206 'base-network' 'bodi':169 'broad':90 'call':9,22,58,161,202 'caller':74 'catalog':91 'challeng':159,215 'charg':53 'clear':199 'compliance check' 'confirm':151 'connect':134 'crawl':125 'crypto':104 'custom':36 'customer verification' 'data':99 'discover':211 'document':126,183 'empti':130 'endpoint':3,16,28,123,145,149,209 'essenti':129 'exact':139 'exampl':173 'experi':180 'field':192 'financ':103 'format':195 'header':80 'host':85 'howev':114 'identity verification' 'infer':102 'input':191 'key':68 'know':34 'know your customer' 'kyc':1,14,33,121,144 'kyc-verification' 'limit':71 'list':117 'live':152 'lowpaymentfee.com':30,87 'need':178 'network':65 'no-api-key' 'obtain':182 'offer':88 'openapi':166 'output':194 'page':127 'pay':7,20,94 'pay-per-cal':6,19 'pay-per-request':93 'payment':43,79,163 'per':8,21,57,95,112,201 'post':50 'price':109,197 'prompt':136 'proper':156 'protocol':44 'provid':31,186 'rate':70 'request':51,83,96,113,168 'request/response':140 'requir':73,190 'resourc':47 'respons':172 'return':154 'schema':141,170 'servic':38,107 'settl':59 'show':131 'simpli':75 'site':86 'span':98 'spec':167 'specif':46,116 'understand':188 'unknown':147 'usdc':13,26,61,204 'usdc-settlement' 'util':106 'verif':2,15,37,122 'via':10,23,40,212 'wallet':135 'without':162 'x402':11,24,42,78,158,214 'x402-payment'","prices":[{"id":"c4266dbd-c52c-4277-b1e6-df50323fcb33","listingId":"8bd95fe5-46c3-4ce8-b0db-20fba6aa68cc","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/10","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:55.051Z"}],"sources":[{"listingId":"8bd95fe5-46c3-4ce8-b0db-20fba6aa68cc","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/10","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:55.051Z","lastSeenAt":"2026-04-22T07:00:59.804Z"}],"details":{"listingId":"8bd95fe5-46c3-4ce8-b0db-20fba6aa68cc","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/10 \\\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 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/10"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/10"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages render only a Connect wallet prompt with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Verifying customer identity as part of onboarding flows","Compliance checks for financial or crypto applications","Automated KYC screening triggered by agent workflows","Identity validation before granting access to regulated services"],"bestFor":["Agents needing on-demand KYC checks without API key registration","Applications requiring pay-per-use identity verification on crypto rails","Developers building compliance workflows on Base network"],"notFor":["Bulk batch KYC processing (no documented batch endpoint)","Users who need detailed documentation or guaranteed SLAs before integrating","Fiat-only payment environments with no crypto wallet capability"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.186Z"},"updatedAt":"2026-04-22T07:00:59.804Z"}}