{"id":"7d655ae6-fdfd-48f8-ad7b-e250a975fc0d","shortId":"2rGdbj","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/32`. 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.\n\nThe broader lowpaymentfee.com platform offers a range of pay-per-call APIs spanning data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments — payment is handled entirely through the x402 protocol on the Base L2 network.\n\nThe specific KYC verification endpoint's input/output schema is not documented in the crawled material. The site's docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical documentation. As a result, the exact request body format and response structure for this KYC endpoint are unknown and must be discovered by the caller.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-base","pay-per-call","identity-verification","json-api"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","AML check","ID verification","customer verification","compliance API"],"warnings":["No API documentation available — all doc pages render only 'Connect wallet' with no technical content","Request body schema and response schema for the KYC verification endpoint are completely unknown","The endpoint path includes a hardcoded ID (/32) whose meaning is unclear","KYC/identity verification is a regulated category — verify compliance requirements before use","This specific KYC endpoint is not listed on the site's homepage API catalog"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/32","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/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 per call in USDC on Base). However, there is no documentation for the KYC endpoint's request or response schema, no OpenAPI spec, and all doc pages return only a wallet-connect prompt. The specific purpose and data format of this KYC verification endpoint remain entirely 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'0.02':57,121 '000':59 '20':58 '6':65 'AML check' 'ID verification' 'KYC API' 'accept':48,69 'access':39 'addit':181 'ai':91 'analysi':95 'analyt':90 'api':87,126,167 'base':5,18,52,60,145 'bodi':190 'broader':76 'call':9,22,55,86 'caller':207 'classif':97 'commit':134 'compliance API' 'connect':176 'convers':114 'cost':56 'crawl':161 'custom':36 'customer verification' 'data':89 'decim':66 'discov':204 'doc':166 'document':158,183 'embed':98 'endpoint':3,16,28,68,117,152,198 'entir':138 'estim':108 'exact':188 'exchang':103 'feed':102 'financ':99 'format':191 'gas':107 'generat':115 'geocod':112 'handl':137 'identity verification' 'identity-verification' 'infrastructur':110 'input/output':154 'json':74 'json-api' 'key':127 'know':34 'know your customer' 'kyc':1,14,33,150,197 'kyc-verification' 'l2':146 'learn':93 'limit':130 'lowpaymentfee.com':30,77 'machin':92 'materi':162 'minimum':133 'must':202 'network':53,147 'offer':79 'page':171 'pay':7,20,84 'pay-per-cal':6,19,83 'pay-per-call' 'payment':46,135 'per':8,21,85,122 'platform':78 'post':70 'price':101,119,168 'prompt':178 'protocol':47,142 'provid':31 'quot':106 'rang':81 'rate':104,129 'readm':170 'render':173 'request':71,123,189 'respons':193 'result':186 'return':73 'schema':155 'sentiment':94 'servic':38 'site':164 'span':88 'specif':149 'structur':194 'summar':96 'technic':182 'token':105 'unit':61 'unknown':200 'usdc':13,26,49,63 'usdc-base' 'use':43 'util':111 'valid':113 'verif':2,15,37,151 'via':10,23 'wallet':177 'web3':100 'x402':11,24,45,141 'x402-payment'","prices":[{"id":"d60efbd8-fd15-4024-b9e7-7d3d85e5c8bd","listingId":"7d655ae6-fdfd-48f8-ad7b-e250a975fc0d","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/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:58.090Z"}],"sources":[{"listingId":"7d655ae6-fdfd-48f8-ad7b-e250a975fc0d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/32","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:58.090Z","lastSeenAt":"2026-04-22T07:31:10.814Z"}],"details":{"listingId":"7d655ae6-fdfd-48f8-ad7b-e250a975fc0d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/32 \\\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 challenge requesting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/32"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/32"}],"useCases":["Verifying customer identity as part of onboarding flows","Performing KYC checks for financial or Web3 applications","Automating compliance verification without managing API keys","Agent-driven identity verification with micropayments"],"bestFor":["Developers needing on-demand KYC checks without subscription commitments","AI agents that can pay per call via x402 on Base","Web3 applications requiring compliance verification with crypto-native payment"],"notFor":["Users who need detailed API documentation before integrating","High-volume KYC pipelines where per-call pricing may not be cost-effective","Applications requiring non-USDC or non-Base payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.053Z"},"updatedAt":"2026-04-22T07:31:10.814Z"}}