{"id":"7852c869-68b7-4336-9998-d324281f1158","shortId":"AR7TGc","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/67`. 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 suite of pay-per-request 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 commitments required — payment is handled entirely through the x402 protocol on the Base L2 network.\n\nThe specific KYC verifications endpoint is not listed on the site's main API catalog, and no documentation was found describing its request schema, required fields, or response format. The crawled docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. Without input/output schema details or usage examples, integrators will need to experiment or contact the provider to understand the expected request body and response structure.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-request","json-api"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","AML check","ID verification","customer verification","compliance API"],"warnings":["The /api/v1/kyc/verifications/67 endpoint is not listed in the provider's public API catalog — its purpose and stability are unclear.","No request body schema or response schema is documented anywhere; integration requires guesswork.","All documentation pages (docs, pricing, README, api) returned only a 'Connect wallet' prompt with no substantive content.","The path includes a numeric ID (67) which may refer to a specific verification record rather than a general-purpose endpoint."],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/67","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/67","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge), but there is no documentation, no input/output schema, and the specific KYC endpoint is not even listed on the provider's own landing page. The docs, pricing, and README pages are all empty beyond a wallet-connect prompt. This is effectively a stub 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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 'advertis':79 'ai':91 'analysi':95 'analyt':90 'api':87,126,161 'base':5,18,52,60,145 'base-network' 'bodi':216 'broader':76 'call':9,22,55 'catalog':162 'classif':97 'commit':133 'compliance API' 'connect':188 'contact':208 'content':194 'convers':114 'cost':56 'crawl':178 'custom':36 'customer verification' 'data':89 'decim':66 'describ':168 'detail':198 'doc':179 'document':165 'embed':98 'endpoint':3,16,28,68,117,152 'entir':138 'estim':108 'exampl':201 'exchang':103 'expect':214 'experi':206 'feed':102 'field':173 'financ':99 'format':176 'found':167 'gas':107 'generat':115 'geocod':112 'handl':137 'identity verification' 'infrastructur':110 'input/output':196 'integr':202 'json':74 'json-api' 'key':127 'know':34 'know your customer' 'kyc':1,14,33,150 'kyc-verification' 'l2':146 'learn':93 'limit':130 'list':155 'lowpaymentfee.com':30,77 'machin':92 'main':160 'need':204 'network':53,147 'page':183 'pay':7,20,84 'pay-per-cal':6,19 'pay-per-request':83 'payment':46,135 'per':8,21,85,122 'platform':78 'post':70 'price':101,119,180 'prompt':190 'protocol':47,142 'provid':31,210 'quot':106 'rate':104,129 'readm':182 'request':71,86,123,170,215 'requir':134,172 'respons':175,218 'return':73,185 'schema':171,197 'sentiment':94 'servic':38 'site':158 'span':88 'specif':149 'structur':219 'substant':193 'suit':81 'summar':96 'token':105 'understand':212 'unit':61 'usag':200 'usdc':13,26,49,63 'usdc-settlement' 'use':43 'util':111 'valid':113 'verif':2,15,37,151 'via':10,23 'wallet':189 'web3':100 'without':195 'x402':11,24,45,141 'x402-payment'","prices":[{"id":"af0aec50-0109-40ea-a7b0-106d6f73df2d","listingId":"7852c869-68b7-4336-9998-d324281f1158","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/67","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:17.375Z"}],"sources":[{"listingId":"7852c869-68b7-4336-9998-d324281f1158","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/67","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:17.375Z","lastSeenAt":"2026-04-22T01:01:05.754Z"}],"details":{"listingId":"7852c869-68b7-4336-9998-d324281f1158","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/67 \\\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 network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/67"},{"claim":"All APIs on the platform are 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/67"}],"useCases":["Verifying customer identity as part of onboarding flows","Performing KYC checks for financial or Web3 applications","Automating compliance verification without managing API keys"],"bestFor":["Developers needing pay-per-call KYC verification without subscriptions","Web3 applications requiring on-chain payment for compliance services","Agents that can settle micropayments via x402 on Base"],"notFor":["Users who need detailed documentation or guaranteed SLAs before integrating","Bulk KYC processing where per-request pricing may not be cost-effective"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.081Z"},"updatedAt":"2026-04-22T01:01:05.754Z"}}