{"id":"24dc5d9e-eea9-4176-b017-0de8a7dd4e58","shortId":"ESWBTs","kind":"x402","title":"x402-gated loan data endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated loan data endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at `/api/v1/loans/32` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. The specific resource appears to serve loan-related data (resource ID 32), though the exact response schema and fields are not documented in the available crawl material.\n\nThe endpoint is live and returns a valid x402 challenge (HTTP 402) requiring payment of up to 20,000 base units of USDC (0x8335…2913) on the Base network, which equals $0.02 per request (USDC uses 6 decimals). Payment is made via the x402 \"exact\" scheme to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3, with a 300-second timeout. The endpoint accepts POST requests and returns application/json.\n\nThe broader platform advertises a uniform $0.02/request pricing model with no API keys, no rate limits, no minimums, and instant access. However, documentation pages (/docs, /pricing, /README) all returned only a \"Connect wallet\" prompt with no substantive content, so the actual response payload, input parameters, and detailed behavior of this loans endpoint remain unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","loan-data","json-response","post-method"],"categories":["finance","data"],"synonyms":["loan API","loan data endpoint","x402 loans","pay-per-call loan info","USDC micropayment API","lowpaymentfee loans","Base network API"],"warnings":["No documentation available — /docs, /pricing, and /README all return only 'Connect wallet' with no content","Response schema and input parameters for /api/v1/loans/32 are completely unknown","The endpoint path suggests a specific loan resource (ID 32) but it is unclear what data it returns or what POST body it expects","This endpoint is not listed on the provider's homepage among their advertised APIs, raising questions about its intended use"],"endpointUrl":"https://lowpaymentfee.com/api/v1/loans/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/loans/32","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no documentation of request parameters, response schema, or what 'loans/32' actually returns. All doc pages are behind a wallet-connect gate with no content. The listing is effectively a stub with only pricing and protocol metadata 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'/docs':175 '/pricing':176 '/readme':177 '/request':157 '0.02':10,24,119,156 '000':106 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':136 '0x8335':111 '20':105 '2913':112 '300':139 '32':72 '402':99 '6':124 'Base network API' 'USDC micropayment API' 'accept':144 'access':171 'actual':191 'address':135 'advertis':153 'ai/ml':53 'analyt':52 'api':49,162 'appear':63 'application/json':149 'avail':85 'base':8,22,107,115 'base-network' 'behavior':198 'broader':151 'challeng':97 'collect':40 'connect':182 'content':188 'crawl':86 'crypto':56 'data':5,19,51,69 'decim':125 'detail':197 'document':82,173 'endpoint':6,20,30,89,143,202 'equal':118 'exact':75,132 'field':79 'financ':55 'gate':3,17 'howev':172 'http':98 'id':71 'infer':54 'input':194 'instant':170 'json-response' 'key':163 'limit':166 'live':91 'loan':4,18,67,201 'loan API' 'loan data endpoint' 'loan-data' 'loan-rel':66 'lowpaymentfee loans' 'lowpaymentfee.com':37 'made':128 'materi':87 'minimum':168 'model':159 'network':116 'page':174 'paramet':195 'part':34 'pay':9,23,46 'pay-per-call loan info' 'pay-per-request':45 'payload':193 'payment':101,126 'per':11,25,47,120 'platform':38,152 'post':145 'post-method' 'price':158 'prompt':184 'protocol':44 'rate':165 'relat':68 'remain':203 'request':12,26,48,121,146 'requir':100 'resourc':62,70 'respons':76,192 'return':93,148,179 'schema':77 'scheme':133 'second':140 'serv':65 'servic':59 'span':50 'specif':61 'substant':187 'though':73 'timeout':141 'uniform':155 'unit':108 'unknown':204 'usdc':14,28,110,122 'usdc-settlement' 'use':123 'util':58 'valid':95 'via':129 'wallet':183 'x402':2,16,43,96,131 'x402 loans' 'x402-gated':1,15 'x402-payment' 'x402-protocol':42","prices":[{"id":"6fa7016e-a168-4c9c-9e43-9e838b15f979","listingId":"24dc5d9e-eea9-4176-b017-0de8a7dd4e58","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/loans/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":"2026-04-18T18:47:38.612Z"}],"sources":[{"listingId":"24dc5d9e-eea9-4176-b017-0de8a7dd4e58","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/loans/32","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:38.612Z","lastSeenAt":"2026-04-28T13:04:13.456Z"}],"details":{"listingId":"24dc5d9e-eea9-4176-b017-0de8a7dd4e58","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/loans/32 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/loans/32"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/loans/32"},{"claim":"Documentation pages return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving loan-specific data on demand with per-request USDC micropayments","Integrating loan information into agent workflows without API key management","Programmatic access to financial loan records via x402 protocol"],"bestFor":["Agents or bots that need keyless, pay-as-you-go access to loan data","Developers experimenting with x402 payment protocol integrations","Low-volume consumers who want no subscription commitment"],"notFor":["Users needing detailed documentation or guaranteed SLAs before integration","High-volume batch retrieval where per-request pricing becomes costly","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:15.088Z"},"updatedAt":"2026-04-28T13:04:13.456Z"}}