{"id":"af9ef6b7-8586-4b33-8f27-43100e34385c","shortId":"pr9sQU","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/14`. It is part of a broader platform offering dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints on the platform use the x402 payment protocol, settling in USDC on the Base network.\n\nThe specific endpoint probed (`/api/v1/kyc/verifications/14`) accepts POST requests and returns JSON. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0.02 USD per request), consistent with the platform's uniform $0.02/request pricing. Payment is made via the x402 \"exact\" scheme to a specified wallet address, with a 300-second timeout. No API keys or rate limits are advertised — access is gated entirely by the x402 micropayment.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further 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 segment (`/14`), but it is unclear whether this is a resource identifier, a verification type, or something else. Prospective users should be aware that the actual functionality behind this endpoint is unverified beyond the x402 challenge metadata.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-request","json-response"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","compliance check","ID verification","x402 KYC","Base USDC API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No request or response schema provided; it is unknown what input the endpoint expects or what it returns.","The meaning of the path segment '/14' is unclear — it may be a resource ID, verification type, or placeholder.","KYC/identity verification is a regulated category; no compliance certifications or data handling policies are documented.","Actual endpoint functionality is unverified beyond the x402 payment challenge."],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/14","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/14","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 captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request format, response schema, or what the KYC verification actually does. No OpenAPI spec, no examples, and all doc pages are empty. This is effectively a stub 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'/api/v1/kyc/verifications/14':41,88 '/request':120 '0.02':109,119 '000':104 '20':103 '300':137 'Base USDC API' 'ID verification' 'KYC API' 'accept':89 'access':39,148 'actual':232 'address':134 'advertis':147 'ai/ml':60 'analyt':59 'api':56,141,162 'awar':229 'base':5,18,82,105 'base-network' 'behind':234 'beyond':239 'broader':47 'call':9,22 'challeng':97,242 'compliance check' 'connect':171 'consist':113 'content':177 'cost':101 'crypto':63 'custom':36 'data':58 'descript':188 'doc':161 'document':156 'dozen':50 'els':224 'endpoint':3,16,28,68,86,195,202,236 'entir':151 'exact':128 'exampl':185 'expect':196 'extrem':158 'financ':62 'function':233 'gate':150 'id':206 'identifi':218 'identity verification' 'includ':204 'indic':98 'infer':61 'input':191 'json':94 'json-response' 'key':142 'know':34 'know your customer' 'kyc':1,14,33,193 'kyc-verification' 'limit':145 'lowpaymentfee.com':30 'made':124 'maximum':100 'metadata':243 'micropay':155 'network':83 'offer':49 'openapi':181 'page':166 'part':44 'path':203 'pay':7,20,53 'pay-per-cal':6,19 'pay-per-request':52 'payment':75,122 'per':8,21,54,111 'platform':48,71,116 'post':90 'price':121,163 'probe':87 'prompt':173 'prospect':225 'protocol':76 'provid':31 'rate':144 'readm':165 'render':168 'request':55,91,112 'request/response':184 'resourc':217 'return':93,200 'schema':182 'scheme':129 'second':138 'segment':207 'servic':38,66 'settl':77 'someth':223 'span':57 'spars':159 'specif':85 'specifi':132 'timeout':139 'type':221 'unclear':212 'uniform':118 'unit':106 'unverifi':238 'usd':110 'usdc':13,26,79,108 'usdc-settlement' 'use':72 'user':226 'util':65 'verif':2,15,37,194,220 'via':10,23,125 'wallet':133,172 'whether':213 'x402':11,24,74,96,127,154,241 'x402 KYC' 'x402-payment'","prices":[{"id":"728fe3ec-b9b1-484a-a2da-4b58b6c8ba39","listingId":"af9ef6b7-8586-4b33-8f27-43100e34385c","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/14","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:01.132Z"}],"sources":[{"listingId":"af9ef6b7-8586-4b33-8f27-43100e34385c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/14","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:01.132Z","lastSeenAt":"2026-04-22T05:31:08.306Z"}],"details":{"listingId":"af9ef6b7-8586-4b33-8f27-43100e34385c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/14 \\\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","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/14"},{"claim":"Platform advertises $0.02/request uniform pricing 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 network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/14"},{"claim":"Docs, API, pricing, and README pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Programmatic KYC identity verification checks","Compliance workflows requiring per-call payment without API keys","Agent-driven identity verification with crypto micropayments"],"bestFor":["Developers needing keyless, pay-per-call KYC verification","Agents settling micropayments in USDC on Base","Projects wanting no-commitment identity checks at $0.02/call"],"notFor":["Users who need detailed API documentation or request/response schemas before integrating","High-volume KYC pipelines requiring SLAs, rate guarantees, or fiat billing","Regulated environments requiring audit trails and vendor compliance certifications"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.925Z"},"updatedAt":"2026-04-22T05:31:08.306Z"}}