{"id":"097f4856-55b9-4236-a481-db2b6e4eaebe","shortId":"bHhXJb","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 at `/api/v1/kyc/verifications/64`. It uses the x402 payment protocol, accepting USDC on the Base network. The price per request is $0.02 (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof to access the resource.\n\nThe broader lowpaymentfee.com platform hosts a variety of pay-per-call API endpoints spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance and crypto data (price feeds, exchange rates, gas estimates), and infrastructure utilities (geocoding, validation, conversion). All endpoints share the same $0.02/request pricing model and settle on the Base network via USDC.\n\nDocumentation for this specific KYC verification endpoint is sparse. The crawled docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no additional technical detail. The input schema indicates an HTTP POST method, but no request body schema or response schema is documented. The endpoint path includes an ID segment (`/64`), suggesting it may retrieve or trigger verification for a specific resource or verification record, but this is not confirmed by available documentation.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key","http-post"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","compliance check","ID verification","x402 KYC","USDC pay-per-call"],"warnings":["No request body schema or response schema documented for this endpoint","All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no technical content","The path segment '/64' is unexplained — unclear if this is a fixed resource ID or a parameterized path","KYC/identity verification is a regulated category — verify compliance requirements before use","The endpoint title 'Premium API Access' is generic and does not describe the KYC function"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/64","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/64","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02/request in USDC on Base). However, there is no request body schema, no response schema, no documentation beyond a wallet-connect prompt, and the specific purpose of the /kyc/verifications/64 path is undocumented. This is effectively a stub 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'/api/v1/kyc/verifications/64':41 '/request':141 '0.02':59,140 '000':61 '20':60 '6':67 'ID verification' 'KYC API' 'USDC pay-per-call' 'accept':48 'access':39,92 'addit':177 'ai/ml':112 'analysi':115 'analyt':111 'api':70,107,166 'attach':79 'avail':226 'base':5,18,52,62,148 'base-network' 'bodi':191 'broader':96 'call':9,22,106 'caller':77 'classif':117 'compliance check' 'confirm':224 'connect':172 'convers':134 'crawl':162 'crypto':121 'custom':36 'data':110,122 'decim':68 'detail':179 'doc':163 'document':152,197,227 'embed':118 'endpoint':3,16,28,108,136,158,199 'estim':128 'exchang':125 'feed':124 'financ':119 'gas':127 'geocod':132 'header':84 'host':99 'http':185 'http-post' 'id':203 'identity verification' 'includ':201 'indic':183 'infer':113 'infrastructur':130 'input':181 'key':71 'know':34 'know your customer' 'kyc':1,14,33,156 'kyc-verification' 'limit':74 'lowpaymentfee.com':30,97 'may':208 'method':187 'model':143 'network':53,149 'no-api-key' 'page':167 'paid':6,19 'path':200 'pay':104 'pay-per-cal':103 'pay-per-call' 'payment':46,83,89 'per':8,21,56,105 'per-cal':7,20 'platform':98 'post':186 'price':55,123,142,164 'prompt':174 'proof':90 'protocol':47 'provid':31 'rate':73,126 'record':219 'request':57,190 'requir':76 'resourc':94,216 'respons':194 'retriev':209 'return':169 'schema':182,192,195 'segment':204 'sentiment':114 'servic':38 'settl':145 'share':137 'simpli':78 'span':109 'spars':160 'specif':155,215 'suggest':206 'summar':116 'technic':178 'trigger':211 'unit':63 'usdc':13,26,49,65,151 'usdc-settlement' 'use':43 'util':131 'valid':87,133 'varieti':101 'verif':2,15,37,157,212,218 'via':10,23,150 'wallet':173 'x':82 'x-payment':81 'x402':11,24,45,88 'x402 KYC' 'x402-payment'","prices":[{"id":"10bc9cb9-ebe3-4bee-96cf-303f37177919","listingId":"097f4856-55b9-4236-a481-db2b6e4eaebe","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/64","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:19.167Z"}],"sources":[{"listingId":"097f4856-55b9-4236-a481-db2b6e4eaebe","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/64","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:19.167Z","lastSeenAt":"2026-04-22T01:01:05.835Z"}],"details":{"listingId":"097f4856-55b9-4236-a481-db2b6e4eaebe","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/64 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","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 USDC on Base network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/64"},{"claim":"All endpoints are priced at $0.02/request with no API keys, no rate limits, and settle on the Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/64"}],"useCases":["Verifying customer identity as part of onboarding flows","Compliance checks for financial or Web3 applications","Automated KYC lookups triggered by AI agents with crypto payment"],"bestFor":["Developers needing on-demand KYC verification without subscription commitments","AI agents that can settle payments in USDC on Base","Applications requiring frictionless, keyless API access for identity checks"],"notFor":["Bulk KYC processing where per-call pricing is cost-prohibitive","Users who need detailed API documentation or guaranteed SLAs before integrating","Callers who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.014Z"},"updatedAt":"2026-04-22T01:01:05.835Z"}}