{"id":"f51fc83f-2363-4373-bebe-5245054af6b5","shortId":"EFegBk","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/15`. 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/15`) accepts POST requests and charges up to $0.02 per call (maxAmountRequired of 20,000 base units of USDC, which has 6 decimals = $0.02). Payment is made via the x402 exact scheme with no API keys or rate limits required — callers simply attach an X-PAYMENT header. The platform advertises instant access with no minimums or commitments.\n\nDocumentation is extremely sparse. The docs, API, pricing, 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 input the KYC verification endpoint expects or what it returns. The endpoint path includes an ID (`15`), but it is unclear whether this refers to a specific verification record, a verification type, or something else. The `outputSchema` in the x402 challenge only confirms it is an HTTP POST endpoint marked as discoverable.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC check","identity verification","know your customer","AML verification","ID verification","customer verification","compliance check"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or request/response schema provided; it is unknown what input the endpoint expects or what it returns.","The endpoint path includes an ID (/15) whose meaning is undocumented.","KYC/identity verification is a regulated category — no compliance certifications or data handling policies are documented.","The platform lists many API categories but none specifically mention KYC on the landing page; this endpoint may be unlisted or experimental."],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/15","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/15","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02/call in USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and no explanation of what the KYC verification endpoint actually does or expects. This is effectively a stub 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'0.02':94,109 '000':100 '15':195 '20':99 '6':107 'AML verification' 'ID verification' 'KYC check' 'accept':87 'access':39,138 'advertis':136 'ai/ml':61 'analyt':60 'api':57,120,150 'attach':128 'base':5,18,80,101 'base-network' 'broader':47 'call':9,22,56,96 'caller':126 'challeng':219 'charg':91 'commit':143 'compliance check' 'confirm':221 'connect':159 'content':165 'crypto':64 'custom':36 'customer verification' 'data':59 'decim':108 'descript':176 'discover':230 'doc':149 'document':144 'dozen':51 'els':213 'endpoint':3,16,28,69,84,183,190,227 'exact':116 'exampl':173 'expect':184 'extrem':146 'financ':63 'header':133 'http':225 'id':194 'identity verification' 'includ':192 'infer':62 'input':179 'instant':137 'key':121 'know':34 'know your customer' 'kyc':1,14,33,181 'kyc-verification' 'limit':124 'lowpaymentfee.com':30 'made':112 'mark':228 'maxamountrequir':97 'minimum':141 'network':81 'no-api-key' 'offer':50 'openapi':169 'outputschema':215 'page':154 'paid':6,19 'part':44 'path':191 'pay':54 'pay-per-cal':53 'pay-per-call' 'payment':73,110,132 'per':8,21,55,95 'per-cal':7,20 'platform':48,135 'post':88,226 'price':151 'probe':85 'prompt':161 'protocol':74 'provid':31 'rate':123 'readm':153 'record':207 'refer':202 'render':156 'request':89 'request/response':172 'requir':125 'return':188 'schema':170 'scheme':117 'servic':38,67 'settl':75 'simpli':127 'someth':212 'span':58 'spars':147 'specif':83,205 'substant':164 'type':210 'unclear':199 'unit':102 'usdc':13,26,77,104 'usdc-settlement' 'use':70 'util':66 'verif':2,15,37,182,206,209 'via':10,23,113 'wallet':160 'whether':200 'x':131 'x-payment':130 'x402':11,24,72,115,218 'x402-payment'","prices":[{"id":"622c3eb0-8a30-4541-954b-bbd62d410ff8","listingId":"f51fc83f-2363-4373-bebe-5245054af6b5","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/15","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:46:57.464Z"}],"sources":[{"listingId":"f51fc83f-2363-4373-bebe-5245054af6b5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/15","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:46:57.464Z","lastSeenAt":"2026-04-22T07:31:10.754Z"}],"details":{"listingId":"f51fc83f-2363-4373-bebe-5245054af6b5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/15 \\\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 maxAmountRequired of 20000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/15"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/15"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, 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","Performing KYC checks without managing API keys or subscriptions","Integrating identity verification into agent-driven workflows","Adding compliance checks to Web3 or DeFi applications"],"bestFor":["Developers needing pay-per-call KYC without subscription overhead","AI agents that need programmatic identity verification via x402","Web3 projects requiring on-chain-settled compliance APIs"],"notFor":["Users who need detailed documentation or schema before integrating","High-volume KYC pipelines where per-call pricing may not be cost-effective","Regulated environments requiring audit trails and vendor certifications"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:17.047Z"},"updatedAt":"2026-04-22T07:31:10.754Z"}}