{"id":"e8595139-c2e6-44b9-9408-a0ed38d4910c","shortId":"zeTWj9","kind":"x402","title":"Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.","tagline":"Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides \"Premium API Access\" via the x402 payment protocol. The specific resource `/api/v1/accounts/118` sits within a broader platform that offers multiple API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform are priced at $0.02 per request, payable in USDC on the Base network with no API keys, rate limits, or commitments required.\n\nThe x402 challenge for this particular endpoint confirms it is live, accepting POST requests, and requires payment of up to 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) to wallet address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3. The payment scheme is \"exact\" with a 300-second timeout. The response MIME type is application/json.\n\nHowever, the specific functionality of the `/api/v1/accounts/118` endpoint is unclear. The platform's landing page lists various API categories but does not include an \"accounts\" endpoint in its public catalog. No OpenAPI schema, detailed documentation, or example request/response payloads are available — the docs, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. As a result, the exact input parameters and output format for this endpoint remain unknown.","tags":[],"capabilities":["x402-payment","usdc-base-network","pay-per-request","json-response","no-api-key","post-method"],"categories":["api","infrastructure"],"synonyms":["premium API","x402 endpoint","USDC micropayment API","Base network API","pay-per-call API","lowpaymentfee"],"warnings":["The specific functionality of /api/v1/accounts/118 is not documented anywhere on the site","No OpenAPI schema, example requests, or example responses are available","Documentation, pricing, and README pages contain no substantive content beyond 'Connect wallet'","The /accounts/ path does not appear in the platform's public API catalog"],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/118","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/accounts/118","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, confirming pricing and payment details. However, the specific purpose of /api/v1/accounts/118 is undocumented, no request/response schema is available, and all documentation pages render only a wallet-connect prompt with no content. This is effectively a stub 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'/request':13,28 '0.02':12,27,77,122 '000':117 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':132 '20':116 '300':140 '6':127 'Base network API' 'USDC micropayment API' 'accept':107 'access':7,22,38 'account':173 'address':131 'ai':61 'analyt':60 'api':6,21,37,56,89,166 'application/json':148 'avail':189 'base':9,24,85,118 'broader':51 'call':4,19 'catalog':178 'categori':57,167 'challeng':98 'commit':94 'confirm':103 'connect':200 'content':206 'data':59 'decim':128 'detail':182 'doc':191 'document':183 'endpoint':32,70,102,156,174,219 'exact':137,211 'exampl':185 'financ':64 'format':216 'function':152 'howev':149 'includ':58,171 'infrastructur':67 'input':212 'json-response' 'key':90 'land':162 'learn':63 'limit':92 'list':164 'live':106 'lowpaymentfee' 'lowpaymentfee.com':34 'machin':62 'mime':145 'multipl':55 'network':86 'no-api-key' 'offer':54 'openapi':180 'output':215 'page':163,195 'paramet':213 'particular':101 'pay':2,17 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request' 'payabl':80 'payload':187 'payment':42,112,134 'per':3,18,78 'platform':52,73,160 'post':108 'post-method' 'premium':5,20,36 'premium API' 'price':75,192 'prompt':202 'protocol':43 'provid':35 'public':177 'rate':91 'readm':194 'remain':220 'render':197 'request':79,109 'request/response':186 'requir':95,111 'resourc':46 'respons':144 'result':209 'schema':181 'scheme':135 'second':141 'sinc':124 'sit':48 'specif':45,151 'substant':205 'timeout':142 'type':146 'unclear':158 'unit':119 'unknown':221 'usd':123 'usdc':15,30,82,121,125 'usdc-base-network' 'use':126 'util':68 'various':165 'via':10,25,39 'wallet':130,201 'web3':65 'within':49 'x402':11,26,41,97 'x402 endpoint' 'x402-payment'","prices":[{"id":"57d3d635-aa50-4f20-b1a8-6b6355ad9967","listingId":"e8595139-c2e6-44b9-9408-a0ed38d4910c","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/accounts/118","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:40:47.935Z"}],"sources":[{"listingId":"e8595139-c2e6-44b9-9408-a0ed38d4910c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/118","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:40:47.935Z","lastSeenAt":"2026-04-22T16:30:58.627Z"}],"details":{"listingId":"e8595139-c2e6-44b9-9408-a0ed38d4910c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/118 \\\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":"Platform pricing is $0.02 per request with no API keys, rate limits, or commitments","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge confirms maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/accounts/118"},{"claim":"Platform offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Accessing premium data or account information via a single micropayment","Integrating pay-per-call APIs into agent workflows without managing API keys","Programmatic access to account-level resources on the lowpaymentfee platform"],"bestFor":["Developers wanting keyless, pay-per-use API access","AI agents that can settle x402 payments in USDC on Base","Users who prefer no-commitment, no-subscription API billing"],"notFor":["Users needing detailed API documentation or OpenAPI specs before integrating","High-volume use cases where per-request pricing may add up","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:35.081Z"},"updatedAt":"2026-04-22T16:30:58.627Z"}}