{"id":"22726cc2-fd14-4d6d-96c2-42d580cacedc","shortId":"YGsYMv","kind":"x402","title":"Pay-per-call audit log retrieval on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call audit log retrieval on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to audit log data (specifically log ID 93) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-request API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific resource `/api/v1/audit/logs/93` is labeled \"Premium API Access\" and accepts POST requests. Payment is handled inline via the x402 protocol: callers attach an `X-PAYMENT` header containing a signed USDC payment of up to 20,000 base units (i.e., $0.02 given USDC's 6 decimals) to the payee address on Base. No API keys, subscriptions, or rate limits are required — each call is independently authorized by its accompanying micropayment.\n\nDocumentation on the site is extremely thin. The docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns a proper 402 challenge), but the actual shape of the audit log data returned after payment is unknown from available sources.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","audit-log-retrieval","pay-per-request","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit logs API","x402 micropayment API","USDC pay-per-call","lowpaymentfee","Base network API","premium API access","audit trail endpoint"],"warnings":["No OpenAPI or schema documentation available — request and response formats are unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content","The specific endpoint /api/v1/audit/logs/93 is not listed on the site's landing page among its advertised APIs; its purpose and data shape are unclear","Cannot verify what data is actually returned after payment"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/93","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/93","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live with a valid 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the actual data returned by this audit-log endpoint is completely undocumented. This is effectively a stub 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'/request':17,34 '0.02':16,33,83,135 '000':131 '20':130 '402':212 '6':139 '93':48 'Base network API' 'USDC pay-per-call' 'accept':104 'access':40,102 'accompani':163 'actual':216 'addit':188 'address':144 'ai/ml':73 'analyt':72 'api':68,101,148,175 'attach':116 'audit':5,22,42,220 'audit logs API' 'audit trail endpoint' 'audit-log-retrieval' 'author':160 'avail':203,229 'base':9,26,92,132,146 'base-network' 'broader':59 'call':4,21,157 'caller':115 'challeng':213 'confirm':207 'connect':183 'contain':122 'content':189 'data':44,71,76,222 'decim':140 'doc':173 'document':165,198 'dozen':62 'endpoint':36,69,205 'exampl':201 'extrem':170 'finance/web3':75 'given':136 'handl':109 'header':121 'i.e':134 'id':47 'independ':159 'infer':74 'infrastructur':78 'inlin':110 'key':149 'label':99 'limit':153 'live':208 'log':6,23,43,46,221 'lowpaymentfee' 'lowpaymentfee.com':38 'micropay':164 'network':93 'no-api-key' 'offer':61 'openapi':193 'page':178 'part':56 'pay':2,19,65 'pay-per-cal':1,18 'pay-per-request':64 'paye':143 'payload':202 'payment':52,107,120,126,225 'per':3,20,66,84 'platform':60 'post':105 'premium':100 'premium API access' 'price':81,174 'prompt':185 'proper':211 'protocol':53,114 'provid':39 'rate':152 'readm':177 'render':180 'request':67,85,106 'request/response':196 'requir':155 'resourc':96 'retriev':7,24 'return':209,223 'schema':197 'settl':12,29,87 'shape':217 'sign':124 'site':168 'sourc':230 'span':70 'spec':194 'specif':45,95 'subscript':150 'thin':171 'unit':133 'unknown':227 'usdc':14,31,89,125,137 'usdc-micropayment' 'util':79 'via':10,27,49,111 'wallet':184 'x':119 'x-payment':118 'x402':11,28,51,113 'x402 micropayment API' 'x402-payment'","prices":[{"id":"31e0b3f1-f9b5-4bc2-a235-64ad9a4ec0e5","listingId":"22726cc2-fd14-4d6d-96c2-42d580cacedc","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/93","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:12.347Z"}],"sources":[{"listingId":"22726cc2-fd14-4d6d-96c2-42d580cacedc","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/93","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:12.347Z","lastSeenAt":"2026-04-27T05:04:23.755Z"}],"details":{"listingId":"22726cc2-fd14-4d6d-96c2-42d580cacedc","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/93 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <signed-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 402 challenge requesting up to 20,000 base units of USDC (asset 0x8335…) on Base network","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/93"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC (USD Coin) uses 6 decimals, so 20000 base units = $0.02","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving audit log entries on a per-request payment basis without needing an API key or subscription","Programmatic access to audit data for compliance or monitoring workflows","Agent-driven data retrieval where each call is independently settled via on-chain USDC micropayment"],"bestFor":["Developers or agents needing one-off audit log lookups without subscription overhead","x402-compatible agents that can sign USDC payments on Base","Use cases where keyless, permissionless API access is preferred"],"notFor":["High-volume audit log streaming where per-request micropayments would be impractical","Users who need detailed API documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.106Z"},"updatedAt":"2026-04-27T05:04:23.755Z"}}