{"id":"d0d3095d-ebf4-49e2-88ab-56100b8015b1","shortId":"Fz8JdK","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/24`. 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 advertises a wide catalog of pay-per-call APIs spanning data & analytics, AI/ML (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 commitments required — payment is handled entirely via the x402 protocol.\n\nNote that the specific KYC verification endpoint listed here is not explicitly documented on the provider's landing page, and no request/response schema details are available beyond what the x402 challenge reveals. The docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no additional technical documentation. The actual behavior, required input fields, and response format of this KYC endpoint remain unknown.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-base","pay-per-call","no-api-key","json-response"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","compliance check","ID verification","x402 KYC","Base USDC API"],"warnings":["No request or response schema available for this endpoint","KYC verification endpoint not listed on the provider's own landing page — may be experimental or undocumented","All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no technical content","KYC/identity verification is a regulated category — verify provider compliance before use","The '/24' path suffix suggests a specific verification record rather than a general-purpose endpoint"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/24","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/24","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 x402 402 challenge), but there is no documentation on what this KYC verification endpoint expects as input or returns as output. The docs pages are empty. The specific endpoint path (/api/v1/kyc/verifications/24) is not listed on the provider's landing page, making its purpose and behavior 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'0.02':57,120 '000':59 '20':58 '6':65 'Base USDC API' 'ID verification' 'KYC API' 'accept':48,69 'access':39 'actual':193 'addit':189 'advertis':79 'ai/ml':92 'analysi':94 'analyt':91 'api':88,125 'avail':167 'base':5,18,52,60 'behavior':194 'beyond':168 'broader':76 'call':9,22,55,87 'catalog':82 'challeng':172 'classif':96 'commit':132 'compliance check' 'connect':184 'convers':113 'cost':56 'custom':36 'data':90 'decim':66 'detail':165 'doc':175 'document':154,191 'embed':97 'endpoint':3,16,28,68,116,148,204 'entir':137 'estim':107 'exchang':102 'explicit':153 'feed':101 'field':197 'financ':98 'format':200 'gas':106 'generat':114 'geocod':111 'handl':136 'identity verification' 'infrastructur':109 'input':196 'json':74 'json-response' 'key':126 'know':34 'know your customer' 'kyc':1,14,33,146,203 'kyc-verification' 'land':159 'limit':129 'list':149 'lowpaymentfee.com':30,77 'network':53 'no-api-key' 'note':142 'page':160,179 'pay':7,20,85 'pay-per-cal':6,19,84 'pay-per-call' 'payment':46,134 'per':8,21,86,121 'platform':78 'post':70 'price':100,118,176 'prompt':186 'protocol':47,141 'provid':31,157 'quot':105 'rate':103,128 'readm':178 'remain':205 'request':71,122 'request/response':163 'requir':133,195 'respons':199 'return':73,181 'reveal':173 'schema':164 'sentiment':93 'servic':38 'span':89 'specif':145 'summar':95 'technic':190 'token':104 'unit':61 'unknown':206 'usdc':13,26,49,63 'usdc-base' 'use':43 'util':110 'valid':112 'verif':2,15,37,147 'via':10,23,138 'wallet':185 'web3':99 'wide':81 'x402':11,24,45,140,171 'x402 KYC' 'x402-payment'","prices":[{"id":"32935859-c4ef-4a6f-9227-cb60502b681c","listingId":"d0d3095d-ebf4-49e2-88ab-56100b8015b1","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/24","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:05.398Z"}],"sources":[{"listingId":"d0d3095d-ebf4-49e2-88ab-56100b8015b1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/24","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:05.398Z","lastSeenAt":"2026-04-22T04:01:35.240Z"}],"details":{"listingId":"d0d3095d-ebf4-49e2-88ab-56100b8015b1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/24 \\\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 accepting USDC on Base with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/24"},{"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":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/24"}],"useCases":["Verifying customer identity as part of onboarding flows","Compliance checks for financial or Web3 applications","Automated KYC screening without managing API keys"],"bestFor":["Developers needing pay-per-call KYC without subscription commitments","Agents or bots that can settle payments via x402 on Base","Low-volume identity verification where per-request pricing is economical"],"notFor":["High-volume KYC pipelines needing detailed documentation and SLAs","Use cases requiring well-documented request/response schemas before integration","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.678Z"},"updatedAt":"2026-04-22T04:01:35.240Z"}}