{"id":"66f33375-63d1-4c64-acea-83a9e9b2f72f","shortId":"XyaPcb","kind":"x402","title":"Pay-per-call audit log access on Base via x402 — $0.02 per request in USDC.","tagline":"Pay-per-call audit log access on Base via x402 — $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to audit log data (specifically log entry #17) via the x402 payment protocol. It is part of a broader platform that offers dozens of pay-per-request API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all settled on the Base network using USDC.\n\nThe specific resource `/api/v1/audit/logs/17` is labeled \"Premium API Access\" and accepts POST requests. Payment is handled inline via the x402 protocol: callers attach an `X-PAYMENT` header with a signed USDC payment on Base. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The payment recipient address is `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, and the payment timeout is 300 seconds.\n\nThe platform advertises a simple pricing model of $0.02 per request across all endpoints, with no API keys, no rate limits, no minimums, and instant access. Documentation pages exist at `/docs`, `/pricing`, and `/api`, but they appear to require a wallet connection and contain no substantive content in the crawl. No OpenAPI schema, request/response examples, or detailed documentation were found, so the exact request body format and response structure for this audit logs endpoint are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","audit-logs","pay-per-request","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","premium API access","x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request body format and response structure are unknown.","Documentation pages (/docs, /pricing, /api) appear wallet-gated and returned no useful content.","The endpoint path /api/v1/audit/logs/17 is not listed among the site's advertised APIs, raising questions about its intended use.","The 'audit/logs/17' naming suggests a specific log entry but the broader context (what audit logs cover) is undocumented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/17","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/audit/logs/17","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI schema, no request/response examples, and the documentation pages are empty (wallet-gated). The specific purpose of 'audit/logs/17' is unclear beyond the generic 'Premium API Access' label, and this particular path does not appear in the site's own API 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'/api/v1/audit/logs/17':90 '/docs':183 '/pricing':184 '0.02':12,28,137,161 '000':128 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':145 '17':46 '20':127 '300':151 '6':133 'Base network API' 'USDC micropayment API' 'accept':97 'access':7,23,38,95,178 'across':164 'address':143 'advertis':155 'ai/ml':72 'amount':124 'analyt':71 'api':67,94,169 'appear':189 'attach':109 'audit':5,21,40,224 'audit log API' 'audit-logs' 'base':9,25,83,121,129 'base-network' 'bodi':217 'broader':57 'call':4,20 'caller':108 'connect':194 'contain':196 'content':199 'crawl':202 'data':42,70,75 'decim':134 'detail':209 'document':179,210 'dozen':61 'endpoint':34,68,166,226 'entri':45 'equal':136 'exact':215 'exampl':207 'exist':181 'finance/web3':74 'format':218 'found':212 'handl':102 'header':114 'infer':73 'infrastructur':77 'inlin':103 'instant':177 'key':170 'label':92 'limit':173 'log':6,22,41,44,225 'lowpaymentfee' 'lowpaymentfee.com':36 'maximum':123 'minimum':175 'model':159 'network':84 'no-api-key' 'offer':60 'openapi':204 'page':180 'part':54 'pay':2,18,64 'pay-per-cal':1,17 'pay-per-call API' 'pay-per-request':63 'payment':50,100,113,119,141,148 'per':3,13,19,29,65,138,162 'platform':58,154 'post':98 'premium':93 'premium API access' 'price':158 'protocol':51,107 'provid':37 'rate':172 'recipi':142 'request':14,30,66,99,139,163,216 'request/response':206 'requir':125,191 'resourc':89 'respons':220 'schema':205 'second':152 'settl':80 'sign':117 'simpl':157 'span':69 'specif':43,88 'structur':221 'substant':198 'timeout':149 'unit':130 'unknown':228 'usdc':16,32,86,118,132 'usdc-settlement' 'use':85 'util':78 'via':10,26,47,104 'wallet':193 'x':112 'x-payment':111 'x402':11,27,49,106 'x402 API' 'x402-payment'","prices":[{"id":"a67f888b-a1e5-4348-b3a3-fe9e553488a3","listingId":"66f33375-63d1-4c64-acea-83a9e9b2f72f","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/audit/logs/17","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:54.080Z"}],"sources":[{"listingId":"66f33375-63d1-4c64-acea-83a9e9b2f72f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/17","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:54.080Z","lastSeenAt":"2026-04-27T09:04:43.771Z"}],"details":{"listingId":"66f33375-63d1-4c64-acea-83a9e9b2f72f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/17 \\\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 x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/17"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/17"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"Payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/17"}],"useCases":["Retrieving audit log entries on a per-request payment basis","Programmatic access to audit data without subscription or API key management","Agent-driven data retrieval with inline crypto micropayments"],"bestFor":["Developers who want keyless, pay-as-you-go audit log access","AI agents that can settle x402 payments on Base","Users who prefer per-call pricing over subscriptions"],"notFor":["Bulk audit log retrieval where per-request costs would add up","Users without a Base-compatible USDC wallet","Anyone needing detailed API documentation before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.987Z"},"updatedAt":"2026-04-27T09:04:43.771Z"}}