{"id":"628c6ac9-1179-4761-875e-11d3f17b6de2","shortId":"SXt7x5","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 at `/api/v1/kyc/verifications/84`. It uses the x402 payment protocol, accepting USDC on the Base network. Each call costs $0.02 (20,000 base units of USDC with 6 decimals). The endpoint accepts POST requests and returns JSON responses.\n\nThe broader lowpaymentfee.com platform offers a suite of pay-per-request APIs 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-per-request pricing model with no API keys, no rate limits, and no minimum commitments — payment is handled entirely through the x402 protocol using USDC on Base.\n\nDocumentation on the site is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what the KYC verification endpoint actually accepts or returns. The specific resource ID \"84\" in the path is unexplained. Prospective users should expect to experiment or contact the provider for integration guidance.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-base","pay-per-request","post-json"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","AML check","ID verification","compliance API","x402 KYC"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or request/response schema provided","The specific resource path '/api/v1/kyc/verifications/84' with a hardcoded ID is unexplained","KYC/identity verification is a regulated category — verify the provider's compliance posture before use","The KYC endpoint is not listed on the provider's own homepage among available APIs"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/84","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/84","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge), but there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the KYC verification endpoint accepts or returns. The resource ID '84' in the path is unexplained. Effectively a stub 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'0.02':57,120 '000':59 '20':58 '6':65 '84':200 'AML check' 'ID verification' 'KYC API' 'accept':48,69,193 'access':39 'actual':192 'addit':172 'ai/ml':92 'analysi':95 'analyt':91 'api':88,128,158 'base':5,18,52,60,148 'broader':77 'call':9,22,55 'classif':97 'commit':136 'compliance API' 'connect':167 'contact':213 'convers':114 'cost':56 'crypto':101 'custom':36 'data':90,102 'decim':66 'descript':185 'detail':174 'doc':157 'document':149 'embed':98 'endpoint':3,16,28,68,116,191 'entir':140 'estim':108 'exampl':182 'exchang':105 'expect':209 'experi':211 'extrem':154 'feed':104 'financ':99 'gas':107 'geocod':112 'guidanc':218 'handl':139 'id':199 'identity verification' 'infer':93 'infrastructur':110 'integr':217 'json':74 'key':129 'know':34 'know your customer' 'kyc':1,14,33,189 'kyc-verification' 'limit':132 'lowpaymentfee.com':30,78 'minimum':135 'model':125 'network':53 'offer':80 'openapi':178 'page':162 'path':203 'pay':7,20,85 'pay-per-cal':6,19 'pay-per-request':84 'payment':46,137 'per':8,21,86,122 'per-request':121 'platform':79 'post':70 'post-json' 'price':103,124,159 'prompt':169 'prospect':206 'protocol':47,144 'provid':31,215 'rate':106,131 'readm':161 'render':164 'request':71,87,123 'request/response':181 'resourc':198 'respons':75 'return':73,195 'schema':179 'sentiment':94 'servic':38 'share':117 'site':152 'span':89 'spars':155 'specif':197 'suit':82 'summar':96 'technic':173 'unexplain':205 'unit':61 'usdc':13,26,49,63,146 'usdc-base' 'use':43,145 'user':207 'util':111 'valid':113 'verif':2,15,37,190 'via':10,23 'wallet':168 'x402':11,24,45,143 'x402 KYC' 'x402-payment'","prices":[{"id":"a9ab9815-91f0-40f3-90ec-9bd5af5dbf6a","listingId":"628c6ac9-1179-4761-875e-11d3f17b6de2","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/84","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:15.576Z"}],"sources":[{"listingId":"628c6ac9-1179-4761-875e-11d3f17b6de2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/84","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:15.576Z","lastSeenAt":"2026-04-22T01:01:05.647Z"}],"details":{"listingId":"628c6ac9-1179-4761-875e-11d3f17b6de2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/84 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\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 USDC on Base, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/84"},{"claim":"All endpoints on the platform cost $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/84"}],"useCases":["Verifying customer identity as part of onboarding flows","Compliance checks for financial or crypto applications","Automated KYC screening triggered by agent workflows"],"bestFor":["Developers needing pay-per-call KYC without API key management","Crypto-native applications that can pay with USDC on Base","Agents that need frictionless identity verification via x402"],"notFor":["Users who need detailed documentation or SLA guarantees before integrating","Batch KYC processing at high volume where per-call pricing may not be optimal","Applications requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.198Z"},"updatedAt":"2026-04-22T01:01:05.647Z"}}