{"id":"36d2918a-7ce8-4292-847e-46efe8672900","shortId":"vNcDzF","kind":"x402","title":"Pay-per-call customer data API on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call customer data API on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to a \"Premium API Access\" resource at the path `/api/v1/customers/48`. 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 with no API keys, no rate limits, and no commitments required.\n\nThe endpoint uses the x402 payment protocol on the Base network, accepting USDC (USD Coin, contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals). Payments are sent to `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a timeout of 300 seconds. The endpoint accepts HTTP POST requests and returns `application/json`.\n\nThe specific `/api/v1/customers/48` path suggests a customer record lookup, but the crawled documentation provides no details about the request body schema, response fields, or what \"customer 48\" represents. The broader site lists many endpoints but the docs, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical documentation. Without an OpenAPI spec, example requests/responses, or detailed field descriptions, the exact behavior of this endpoint remains unclear.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-call-pricing","json-response","http-post"],"categories":["data"],"synonyms":["customer data API","pay-per-call API","x402 endpoint","USDC micropayment API","lowpaymentfee","Base network API","customer lookup"],"warnings":["No OpenAPI or schema documentation available — request body and response format are unknown","Docs, pricing, README, and API pages all render only 'Connect wallet' with no technical content","The specific resource /api/v1/customers/48 is not listed among the site's advertised endpoints, making its purpose unclear","No example requests or responses available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/customers/48","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/48","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the purpose of /api/v1/customers/48 is not explained. Effectively a stub 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'/request':17,34 '0.02':16,33,76,117 '000':113 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':127 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':106 '20':112 '300':132 '48':169 '6':121 'Base network API' 'USDC micropayment API' 'accept':101,136 'access':40,45 'ai':65 'amount':110 'analyt':64 'api':7,24,44,60,81 'application/json':142 'base':9,26,99,114 'base-network' 'behavior':208 'bodi':162 'broader':56,172 'call':4,21 'categori':61 'coin':104 'commit':88 'connect':188 'contract':105 'crawl':154 'custom':5,22,149,168 'customer data API' 'customer lookup' 'data':6,23,63 'decim':122 'descript':205 'detail':158,203 'doc':179 'document':155,195 'endpoint':36,91,135,176,211 'exact':207 'exampl':200 'field':165,204 'financ':68 'given':118 'http':137 'http-post' 'i.e':116 'includ':62 'infrastructur':71 'json-response' 'key':82 'learn':67 'limit':85 'list':174 'lookup':151 'lowpaymentfee' 'lowpaymentfee.com':38 'machin':66 'mani':175 'maximum':109 'multipl':59 'network':100 'offer':58 'openapi':198 'page':183 'part':53 'path':49,146 'pay':2,19 'pay-per-cal':1,18 'pay-per-call API' 'payment':95,123 'per':3,20,77 'per-call-pricing' 'platform':57 'post':138 'premium':43 'price':74,180 'prompt':190 'protocol':96 'provid':39,156 'rate':84 'readm':182 'record':150 'remain':212 'render':185 'repres':170 'request':78,139,161 'requests/responses':201 'requir':89 'resourc':46 'respons':164 'return':141 'schema':163 'second':133 'sent':125 'settl':12,29 'site':173 'spec':199 'specif':144 'suggest':147 'technic':194 'timeout':130 'unclear':213 'unit':115 'usd':103 'usdc':14,31,102,119 'usdc-settlement' 'use':92 'util':72 'via':10,27 'wallet':189 'web3':69 'without':196 'x402':11,28,94 'x402 endpoint' 'x402-payment'","prices":[{"id":"d8c6966e-46dc-43eb-9b99-6ec4d0f1856c","listingId":"36d2918a-7ce8-4292-847e-46efe8672900","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/48","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:50.465Z"}],"sources":[{"listingId":"36d2918a-7ce8-4292-847e-46efe8672900","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/customers/48","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:50.465Z","lastSeenAt":"2026-04-29T11:33:33.466Z"}],"details":{"listingId":"36d2918a-7ce8-4292-847e-46efe8672900","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/customers/48 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with x402Version 1, accepting USDC on Base with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/customers/48"},{"claim":"The 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":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 and payTo address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/customers/48"}],"useCases":["Retrieving customer record data via a single paid API call","Agent-driven data access without API key provisioning","Programmatic customer information retrieval settled in USDC on Base"],"bestFor":["Agents needing keyless, pay-per-call access to customer data","Developers experimenting with x402 payment protocol integrations","Use cases requiring low-cost ($0.02) per-request pricing with no commitments"],"notFor":["Bulk data retrieval where per-call costs would accumulate significantly","Users who need detailed API documentation or guaranteed SLAs","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:46.641Z"},"updatedAt":"2026-04-29T11:33:33.466Z"}}