{"id":"4e1c9caf-0eb0-4819-b40d-f95c8cc09533","shortId":"DCS7r6","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 via the x402 payment protocol. The specific path `/api/v1/kyc/verifications/80` accepts POST requests and charges up to $0.02 per call in USDC on the Base network. Payment is handled inline via the X-PAYMENT header — no API keys, accounts, or rate limits are required.\n\nThe broader lowpaymentfee.com platform advertises a catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all priced at $0.02 per request. However, the specific KYC verifications endpoint is not listed on the site's public catalog, and no documentation, request schema, or response schema is available for it. The crawled docs, pricing, and API pages all returned only a \"Connect wallet\" stub with no further content.\n\nBecause no input/output schema, example payloads, or detailed documentation were found for this endpoint, its exact functionality — what fields it expects, what verification it performs, and what it returns — remains unknown. Agents should treat this as a stub listing until the provider publishes proper documentation.","tags":[],"capabilities":["kyc-verification","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["identity","compliance"],"synonyms":["KYC API","identity verification","know your customer","ID verification","compliance check","AML verification","x402 KYC"],"warnings":["No request or response schema available — input fields for KYC verification are unknown.","The /api/v1/kyc/verifications/80 path is not listed on the provider's public API catalog.","All documentation pages (docs, pricing, API, README) returned only a 'Connect wallet' stub with no content.","KYC/identity verification is a regulated category — verify the provider's compliance posture independently.","The '80' in the path is unexplained; it may be a specific verification type or record ID."],"endpointUrl":"https://lowpaymentfee.com/api/v1/kyc/verifications/80","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/80","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 402 x402 challenge), but there is no documentation, no input/output schema, no examples, and the KYC endpoint is not even listed on the provider's own catalog page. Effectively a 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'0.02':56,110 'AML verification' 'ID verification' 'KYC API' 'accept':49 'access':39 'account':78 'advertis':88 'agent':189 'ai/ml':100 'analyt':99 'api':76,96,145 'avail':137 'base':5,18,63 'base-network' 'broader':85 'call':9,22,58,95 'catalog':90,127 'charg':53 'compliance check' 'connect':151 'content':157 'crawl':141 'custom':36 'data':98,103 'detail':165 'doc':142 'document':130,166,202 'endpoint':3,16,28,118,171 'exact':173 'exampl':162 'expect':178 'field':176 'finance/web3':102 'found':168 'function':174 'handl':67 'header':74 'howev':113 'identity verification' 'infer':101 'infrastructur':105 'inlin':68 'input/output':160 'key':77 'know':34 'know your customer' 'kyc':1,14,33,116 'kyc-verification' 'limit':81 'list':121,196 'lowpaymentfee.com':30,86 'network':64 'no-api-key' 'page':146 'paid':6,19 'path':47 'pay':93 'pay-per-cal':92 'pay-per-call' 'payload':163 'payment':43,65,73 'per':8,21,57,94,111 'per-cal':7,20 'perform':182 'platform':87 'post':50 'price':108,143 'proper':201 'protocol':44 'provid':31,199 'public':126 'publish':200 'rate':80 'remain':187 'request':51,112,131 'requir':83 'respons':134 'return':148,186 'schema':132,135,161 'servic':38 'site':124 'span':97 'specif':46,115 'stub':153,195 'treat':191 'unknown':188 'usdc':13,26,60 'usdc-settlement' 'util':106 'verif':2,15,37,117,180 'via':10,23,40,69 'wallet':152 'x':72 'x-payment':71 'x402':11,24,42 'x402 KYC' 'x402-payment'","prices":[{"id":"0da9be10-1ddc-428b-9525-e80ba004a84a","listingId":"4e1c9caf-0eb0-4819-b40d-f95c8cc09533","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/80","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:09.586Z"}],"sources":[{"listingId":"4e1c9caf-0eb0-4819-b40d-f95c8cc09533","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/kyc/verifications/80","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:09.586Z","lastSeenAt":"2026-04-22T02:30:56.568Z"}],"details":{"listingId":"4e1c9caf-0eb0-4819-b40d-f95c8cc09533","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/kyc/verifications/80 \\\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/80"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/kyc/verifications/80"},{"claim":"The site advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The provider lists APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories but does not list a KYC endpoint","source_url":"https://lowpaymentfee.com"}],"useCases":["Verifying user identity as part of an onboarding flow","Performing KYC checks before enabling financial transactions","Automated compliance screening in Web3 applications"],"bestFor":["Agents needing on-demand KYC verification without API key management","Web3 applications requiring pay-per-call identity checks on Base"],"notFor":["Use cases requiring documented request/response schemas before integration","High-volume KYC pipelines needing SLA guarantees or support contracts","Regulated environments that require auditable vendor documentation"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:16.475Z"},"updatedAt":"2026-04-22T02:30:56.568Z"}}