{"id":"f62b248a-50fa-428e-aada-ffb51af90a7c","shortId":"M2pSCR","kind":"x402","title":"Pay-per-call customer data API on Base via x402 — $0.02/request in USDC.","tagline":"Pay-per-call customer data API on Base via x402 — $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to a \"Premium API Access\" resource at the path `/api/v1/customers/32`. It is part of a broader platform offering multiple API categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request and settled via the x402 protocol on the Base network using USDC.\n\nThe specific endpoint `/api/v1/customers/32` accepts POST requests and returns JSON. Payment is handled inline: callers must include an X-PAYMENT header with a valid x402 payment proof. The maximum amount required per call is 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals). The payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base, with a timeout of 300 seconds.\n\nDocumentation beyond the landing page is extremely sparse — 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 the `/api/v1/customers/32` endpoint actually returns. The endpoint name suggests customer record retrieval, but the exact data schema and input parameters are unknown. The platform advertises no API keys, no rate limits, and instant access.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","json-response","post-method","customer-data"],"categories":["data","api-infrastructure"],"synonyms":["customer API","premium API access","x402 API","pay-per-call API","USDC micropayment API","lowpaymentfee","Base network API"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition for request or response payloads.","The specific purpose and data returned by /api/v1/customers/32 is undocumented and unclear.","No examples of successful responses are available anywhere in the crawled material."],"endpointUrl":"https://lowpaymentfee.com/api/v1/customers/32","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/customers/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC per call on Base). However, there is no OpenAPI schema, no request/response examples, and no documentation beyond a landing page listing. The actual purpose and data returned by /api/v1/customers/32 are unknown, making this effectively a stub 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'/api/v1/customers/32':46,90,190 '/docs':159 '/pricing':160 '/readme':163 '/request':13,28 '0.02':12,27,72,128 '000':123 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':141 '20':122 '300':148 '6':133 'Base network API' 'USDC micropayment API' 'accept':91 'access':36,41,222 'actual':192 'address':140 'advertis':213 'ai':61 'amount':117 'analyt':60 'api':7,22,40,56,215 'base':9,24,83,124,143 'base-network' 'beyond':151 'broader':52 'call':4,19,120 'caller':101 'categori':57 'connect':169 'content':175 'custom':5,20,198 'customer API' 'customer-data' 'data':6,21,59,204 'decim':134 'descript':186 'document':150 'endpoint':32,89,191,195 'exact':203 'exampl':183 'extrem':156 'financ':64 'handl':99 'header':108 'includ':58,103 'infrastructur':67 'inlin':100 'input':207 'instant':221 'json':96 'json-response' 'key':216 'land':153 'learn':63 'limit':219 'lowpaymentfee' 'lowpaymentfee.com':34 'machin':62 'maximum':116 'multipl':55 'must':102 'name':196 'network':84 'offer':54 'openapi':179 'page':154,164 'paramet':208 'part':49 'path':45 'pay':2,17 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request' 'payment':97,107,113,136 'per':3,18,73,119 'platform':53,212 'post':92 'post-method' 'premium':39 'premium API access' 'price':70 'prompt':171 'proof':114 'protocol':80 'provid':35 'rate':218 'record':199 'render':166 'request':74,93 'request/response':182 'requir':118 'resourc':42 'retriev':200 'return':95,193 'schema':180,205 'second':149 'sent':138 'settl':76 'sinc':130 'spars':157 'specif':88 'substant':174 'suggest':197 'timeout':146 'unit':125 'unknown':210 'usd':129 'usdc':15,30,86,127,131 'usdc-settlement' 'use':85,132 'util':68 'valid':111 'via':10,25,77 'wallet':170 'web3':65 'x':106 'x-payment':105 'x402':11,26,79,112 'x402 API' 'x402-payment'","prices":[{"id":"5230a425-c84b-4b1d-afa5-472a42d99c19","listingId":"f62b248a-50fa-428e-aada-ffb51af90a7c","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/customers/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:02.206Z"}],"sources":[{"listingId":"f62b248a-50fa-428e-aada-ffb51af90a7c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/customers/32","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:02.206Z","lastSeenAt":"2026-04-29T14:33:38.050Z"}],"details":{"listingId":"f62b248a-50fa-428e-aada-ffb51af90a7c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/customers/32 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","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/customers/32"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers APIs across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/customers/32"}],"useCases":["Retrieving customer data records on a per-call payment basis","Integrating pay-per-use API access into agent workflows without API keys","Accessing premium data endpoints settled in USDC on Base"],"bestFor":["Agents or applications needing keyless, pay-per-call API access","Developers who want to avoid subscription commitments for occasional API calls","Crypto-native workflows that can settle payments on Base in USDC"],"notFor":["Users who need detailed API documentation or guaranteed SLAs before integrating","High-volume use cases where per-request pricing at $0.02 may add up quickly","Anyone unable to produce x402 payment proofs on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:49.044Z"},"updatedAt":"2026-04-29T14:33:38.050Z"}}