{"id":"107c443f-3a73-42b2-b016-93220c98e076","shortId":"zpZY3j","kind":"x402","title":"Pay-per-request premium API access via x402 on Base network using USDC.","tagline":"Pay-per-request premium API access via x402 on Base network using USDC.","description":"This endpoint at lowpaymentfee.com provides a generic \"Premium API Access\" resource at `/api/v1/generate/resource/11`. The provider operates a platform offering multiple pay-per-request API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities — all gated behind x402 payment challenges on the Base network using USDC.\n\nThe specific endpoint `/api/v1/generate/resource/11` is listed under the title \"Premium API Access\" but its exact functionality is unclear from available documentation. The provider's landing page lists numerous endpoints (analytics, AI inference, finance data, utility services) all priced at $0.02 per request, but this particular resource path (`/resource/11`) does not appear in the public endpoint catalog. The x402 challenge indicates a maximum payment of 20,000 units of USDC (likely 0.02 USDC given 6 decimals), consistent with the advertised $0.02/request pricing.\n\nDocumentation is extremely sparse — the docs, API, pricing, 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 `/api/v1/generate/resource/11` actually returns. The endpoint is live and responds with a valid x402 challenge, but without documentation it is impossible to determine the input format or output structure.","tags":[],"capabilities":["x402-payment","pay-per-request","usdc-payment","base-network","http-post"],"categories":["infrastructure"],"synonyms":["premium API","paid API access","x402 endpoint","USDC API","micropayment API","lowpaymentfee","pay-per-call API"],"warnings":["No documentation available — all doc/pricing/API pages render only 'Connect wallet'","The specific path /api/v1/generate/resource/11 does not appear in the provider's public endpoint catalog","No input or output schema provided; impossible to determine what this endpoint returns","Functionality is entirely unknown beyond the generic title 'Premium API Access'"],"endpointUrl":"https://lowpaymentfee.com/api/v1/generate/resource/11","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/generate/resource/11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but documentation is effectively nonexistent — all doc pages show only 'Connect wallet'. The specific resource path is not listed in the provider's public catalog, there is no schema, no examples, and no description of what the endpoint does. This is essentially a stub 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'/request':158 '/resource/11':125 '0.02':117,148,157 '000':143 '20':142 '6':151 'USDC API' 'access':7,21,38,89 'actual':196 'advertis':156 'ai':58,108 'analyt':57,107 'api':6,20,37,53,88,166 'appear':128 'avail':97 'base':11,25,74 'base-network' 'behind':68 'catalog':133 'categori':54 'challeng':71,136,208 'connect':175 'consist':153 'content':181 'data':56,111 'decim':152 'descript':192 'determin':216 'doc':165 'document':98,160,211 'endpoint':30,80,106,132,199 'exact':92 'exampl':189 'extrem':162 'financ':61,110 'format':219 'function':93 'gate':67 'generic':35 'given':150 'http-post' 'imposs':214 'includ':55 'indic':137 'infer':109 'infrastructur':64 'input':218 'land':102 'learn':60 'like':147 'list':83,104 'live':201 'lowpaymentfee' 'lowpaymentfee.com':32 'machin':59 'maximum':139 'micropayment API' 'multipl':48 'network':12,26,75 'numer':105 'offer':47 'openapi':185 'oper':44 'output':221 'page':103,170 'paid API access' 'particular':122 'path':124 'pay':2,16,50 'pay-per-call API' 'pay-per-request':1,15,49 'payment':70,140 'per':3,17,51,118 'platform':46 'premium':5,19,36,87 'premium API' 'price':115,159,167 'prompt':177 'provid':33,43,100 'public':131 'readm':169 'render':172 'request':4,18,52,119 'request/response':188 'resourc':39,123 'respond':203 'return':197 'schema':186 'servic':113 'spars':163 'specif':79 'structur':222 'substant':180 'titl':86 'unclear':95 'unit':144 'usdc':14,28,77,146,149 'usdc-payment' 'use':13,27,76 'util':65,112 'valid':206 'via':8,22 'wallet':176 'web3':62 'without':210 'x402':9,23,69,135,207 'x402 endpoint' 'x402-payment'","prices":[{"id":"c0da7d3d-4249-4c0e-96c1-c32cb9711653","listingId":"107c443f-3a73-42b2-b016-93220c98e076","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/generate/resource/11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:00.308Z"}],"sources":[{"listingId":"107c443f-3a73-42b2-b016-93220c98e076","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/generate/resource/11","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:00.308Z","lastSeenAt":"2026-04-29T00:33:10.191Z"}],"details":{"listingId":"107c443f-3a73-42b2-b016-93220c98e076","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/11\n# Returns 402 with x402 challenge; include X-PAYMENT header with valid payment to access.","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 USDC units on Base network","source_url":"https://lowpaymentfee.com/api/v1/generate/resource/11"},{"claim":"The provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The provider lists endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation, API, pricing, and README pages all render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Accessing a pay-per-request API endpoint without API keys or subscriptions","Programmatic micropayment-gated resource generation","Agent-driven API consumption using x402 protocol on Base"],"bestFor":["Developers exploring x402 payment protocol integrations","Agents that need keyless, pay-as-you-go API access","Testing micropayment flows on Base network"],"notFor":["Users who need documented, well-specified API contracts","Production workloads requiring known input/output schemas","Anyone needing free or high-volume bulk access"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:00.893Z"},"updatedAt":"2026-04-29T00:33:10.191Z"}}