{"id":"2c680461-5e37-42f2-8ab6-89bdd9eec86c","shortId":"RmHP2W","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 14) 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, settled in USDC on the Base network.\n\nThe specific resource `/api/v1/audit/logs/14` 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, accounts, or rate limits are required — access is granted per-payment.\n\nThe platform's landing page advertises a wide catalog of endpoints (metrics, reports, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more), all at the same $0.02 price point. Documentation pages beyond the landing page appear to require a wallet connection and contain no additional content. The exact schema of the audit log response is not documented, so callers should expect a JSON payload but cannot rely on a published output schema.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","audit-logs","json-api","no-api-key","post-method"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 API","micropayment API","pay-per-call API","Base USDC API","lowpaymentfee","premium API access","audit trail endpoint"],"warnings":["No OpenAPI or schema documentation available for this endpoint","Documentation pages (/docs, /api, /pricing, /README) all render only a 'Connect wallet' prompt with no usable content","The exact response format and fields for /api/v1/audit/logs/14 are unknown","The endpoint path references a specific log ID (14); it is unclear whether other IDs are available or what the log contains","This endpoint is not listed on the provider's landing page catalog — only AI, analytics, finance, and utility endpoints are shown there"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/14","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/14","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty beyond a wallet-connect prompt. The specific purpose of 'audit/logs/14' is not explained anywhere. This is effectively a stub 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'0.02':12,28,81,132,190 '000':128 '14':46 '20':127 '6':136 'Base USDC API' 'accept':101 'access':7,23,38,99,153 'account':147 'addit':208 'address':141 'advertis':164 'ai/ml':71 'analysi':173 'analyt':70 'api':66,98,145 'appear':199 'attach':113 'audit':5,21,40,215 'audit log API' 'audit trail endpoint' 'audit-logs' 'base':9,25,89,129,143 'beyond':195 'broader':57 'call':4,20 'caller':112,222 'cannot':229 'catalog':167 'classif':176 'connect':204 'contain':119,206 'content':209 'data':42,69,74 'decim':137 'document':193,220 'dozen':60 'embed':177 'endpoint':34,67,169 'entri':45 'exact':211 'exchang':180 'expect':224 'feed':179 'finance/web3':73 'geocod':182 'given':133 'grant':155 'handl':106 'header':118 'i.e':131 'infer':72 'infrastructur':76 'inlin':107 'json':226 'json-api' 'key':146 'label':96 'land':162,197 'limit':150 'log':6,22,41,44,216 'lowpaymentfee' 'lowpaymentfee.com':36 'metric':170 'micropayment API' 'network':90 'no-api-key' 'offer':59 'output':234 'page':163,194,198 'part':54 'pay':2,18,63 'pay-per-cal':1,17 'pay-per-call API' 'pay-per-request':62 'paye':140 'payload':227 'payment':50,104,117,123,158 'per':3,13,19,29,64,82,157 'per-pay':156 'platform':58,160 'point':192 'post':102 'post-method' 'premium':97 'premium API access' 'price':79,178,191 'protocol':51,111 'provid':37 'publish':233 'rate':149,181 'reli':230 'report':171 'request':14,30,65,83,103 'requir':152,201 'resourc':93 'respons':217 'schema':212,235 'sentiment':172 'settl':84 'sign':121 'span':68 'specif':43,92 'summar':175 'text':174 'unit':130 'usdc':16,32,86,122,134 'usdc-base' 'util':77 'valid':183 'via':10,26,47,108 'wallet':203 'wide':166 'x':116 'x-payment':115 'x402':11,27,49,110 'x402 API' 'x402-payment'","prices":[{"id":"27a13a2c-6d1e-4456-af18-16934138f3bc","listingId":"2c680461-5e37-42f2-8ab6-89bdd9eec86c","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/14","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:53.463Z"}],"sources":[{"listingId":"2c680461-5e37-42f2-8ab6-89bdd9eec86c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/14","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:53.463Z","lastSeenAt":"2026-04-27T09:33:33.605Z"}],"details":{"listingId":"2c680461-5e37-42f2-8ab6-89bdd9eec86c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/14 \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\" \\\n  -H \"Content-Type: application/json\"","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 on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/14"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/14"},{"claim":"The platform offers endpoints across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving audit log entries on a per-request payment basis without needing an API key","Integrating pay-per-call audit data into agent workflows that settle in USDC on Base","Accessing structured log data for compliance or monitoring purposes via micropayments"],"bestFor":["Agents or applications that need on-demand audit log access without subscription commitments","Developers experimenting with x402 pay-per-request protocols on Base","Low-volume consumers who prefer per-call pricing over monthly plans"],"notFor":["High-volume audit log consumers who need bulk or streaming access at lower marginal cost","Users who need detailed API documentation or guaranteed response schemas before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.984Z"},"updatedAt":"2026-04-27T09:33:33.605Z"}}