{"id":"c2bfe50b-aea9-4edf-acb3-40904df5d383","shortId":"7uytJs","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/65`. It is part of a broader platform that offers dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network.\n\nThe specific endpoint probed (`/api/v1/kyc/verifications/65`) returns a live 402 challenge requesting up to $0.02 per call (maxAmountRequired of 20,000 base units of USDC, which has 6 decimals = $0.02). The platform advertises a flat $0.02/request pricing across all its APIs with no API keys, no rate limits, and instant access. The endpoint accepts POST requests and returns application/json.\n\nDocumentation is extremely thin — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the KYC verification endpoint expects or returns. The endpoint path includes a numeric ID (65), suggesting it may be a lookup or status check for a specific verification record rather than a creation endpoint, but this is speculative. Without documentation or example payloads, integrators will need to experiment to determine the expected request body and response format.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","per-call-pricing","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","compliance check","ID verification","x402 KYC","onchain KYC"],"warnings":["No documentation available — all doc/pricing/API pages show only 'Connect wallet'","No OpenAPI or request/response schema provided for this endpoint","The path includes a hardcoded ID (65); unclear if this is a generic endpoint or a specific record lookup","KYC/identity verification is a regulated category — no information on provider compliance certifications","The platform lists many diverse API categories but provides no evidence of actual functionality behind them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/65","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/65","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is zero documentation on request/response schemas, no OpenAPI spec, and all doc pages render only 'Connect wallet'. The specific purpose of the /kyc/verifications/65 path is unclear. This is effectively a stub 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'/request':117 '0.02':95,110,116 '000':101 '20':100 '402':90 '6':108 '65':191 'ID verification' 'KYC API' 'accept':135 'access':39,132 'across':119 'advertis':113 'ai/ml':61 'analyt':60 'api':57,122,125,148 'application/json':140 'base':5,18,80,102 'base-network' 'bodi':230 'broader':47 'call':9,22,56,97 'challeng':91 'check':200 'compliance check' 'connect':156 'content':162 'creation':209 'crypto':64 'custom':36 'data':59 'decim':109 'descript':173 'determin':226 'doc':146 'document':141,216 'dozen':51 'endpoint':3,16,28,69,84,134,180,185,210 'exampl':170,218 'expect':181,228 'experi':224 'extrem':143 'field':176 'financ':63 'flat':115 'format':233 'id':190 'identity verification' 'includ':187 'infer':62 'instant':131 'integr':220 'key':126 'know':34 'know your customer' 'kyc':1,14,33,178 'kyc-verification' 'limit':129 'live':89 'lookup':197 'lowpaymentfee.com':30 'maxamountrequir':98 'may':194 'need':222 'network':81 'no-api-key' 'numer':189 'offer':50 'onchain KYC' 'openapi':166 'page':151 'paid':6,19 'part':44 'path':186 'pay':54 'pay-per-cal':53 'payload':219 'payment':73 'per':8,21,55,96 'per-cal':7,20 'per-call-pricing' 'platform':48,112 'post':136 'price':118,147 'probe':85 'prompt':158 'protocol':74 'provid':31 'rate':128 'rather':206 'readm':150 'record':205 'render':153 'request':92,137,229 'request/response':169 'respons':232 'return':87,139,183 'schema':167 'servic':38,67 'settl':75 'span':58 'specif':83,203 'specul':214 'status':199 'substant':161 'suggest':192 'thin':144 'unit':103 'usdc':13,26,77,105 'usdc-settlement' 'use':70 'util':66 'verif':2,15,37,179,204 'via':10,23 'wallet':157 'without':215 'x402':11,24,72 'x402 KYC' 'x402-payment'","prices":[{"id":"2b9da24a-4e53-4c4b-9b59-5e202e46cfa3","listingId":"c2bfe50b-aea9-4edf-acb3-40904df5d383","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/65","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:19.761Z"}],"sources":[{"listingId":"c2bfe50b-aea9-4edf-acb3-40904df5d383","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/65","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:19.761Z","lastSeenAt":"2026-04-22T01:01:05.870Z"}],"details":{"listingId":"c2bfe50b-aea9-4edf-acb3-40904df5d383","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/65 \\\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 live 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/65"},{"claim":"The platform advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/65"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Verifying customer identity as part of onboarding flows","Checking KYC status for a specific verification record","Integrating compliance checks into automated agent workflows"],"bestFor":["Agents needing pay-per-call KYC checks without subscription commitments","Developers wanting keyless, wallet-authenticated identity verification","Workflows requiring on-chain payment settlement for compliance services"],"notFor":["Production KYC pipelines requiring documented request/response schemas","High-volume identity verification needing guaranteed SLAs and support","Use cases requiring regulatory certifications or audit trails from the provider"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.014Z"},"updatedAt":"2026-04-22T01:01:05.870Z"}}