{"id":"77fb93ba-008e-4fb8-a2ff-11126378950a","shortId":"2JBFwj","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 ID 78) 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 settled on the Base network using USDC.\n\nThe specific resource `/api/v1/audit/logs/78` 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 per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. The platform advertises no API keys, no rate limits, and instant access — you pay per request and nothing more.\n\nDocumentation on the site is extremely thin. The /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further 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 data returned after successful payment is unknown. The audit-log path suggests it returns structured JSON log entries, but this is inferred from the URL pattern and mime type declaration alone.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","audit-logs","pay-per-request","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","premium API access"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition found for this endpoint.","The path /api/v1/audit/logs/78 is not listed among the site's advertised APIs, raising questions about whether it is a production resource.","Response format and fields are completely unknown; only the mimeType 'application/json' is declared."],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/78","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/78","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 documentation, no OpenAPI spec, no request/response schema, and no examples. The actual data returned is completely unknown. The audit-log path itself is not listed on the site's landing page, making it unclear whether this is a real production resource or a 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'/api/v1/audit/logs/78':89 '/docs':167 '/pricing':168 '/readme':171 '0.02':12,28,138 '000':129 '20':128 '402':206 '6':134 '78':46 'Base network API' 'USDC micropayment API' 'accept':96 'access':7,23,38,94,151 'actual':210 'advertis':142 'ai/ml':71 'alon':242 'amount':123 'analyt':70 'api':66,93,144 'attach':108 'audit':5,21,40,220 'audit log API' 'audit-log':219 'audit-logs' 'avail':197 'base':9,25,82,120,130 'base-network' 'broader':57 'call':4,20,126 'caller':107 'challeng':207 'confirm':201 'connect':177 'content':183 'data':42,69,74,211 'decim':135 'declar':241 'document':159,192 'dozen':60 'endpoint':34,67,199 'entri':229 'equal':137 'exampl':195 'extrem':164 'finance/web3':73 'handl':101 'header':113 'id':45 'infer':72,233 'infrastructur':76 'inlin':102 'instant':150 'json':227 'key':145 'label':91 'limit':148 'live':202 'log':6,22,41,44,221,228 'lowpaymentfee' 'lowpaymentfee.com':36 'maximum':122 'mime':239 'network':83 'no-api-key' 'noth':157 'offer':59 'openapi':187 'page':172 'part':54 'path':222 'pattern':237 'pay':2,18,63,153 'pay-per-cal':1,17 'pay-per-call API' 'pay-per-request':62 'payload':196 'payment':50,99,112,118,215 'per':3,13,19,29,64,125,154 'platform':58,141 'post':97 'premium':92 'premium API access' 'prompt':179 'proper':205 'protocol':51,106 'provid':37 'rate':147 'render':174 'request':14,30,65,98,155 'request/response':190 'requir':124 'resourc':88 'return':203,212,225 'schema':191 'settl':79 'sign':116 'site':162 'span':68 'spec':188 'specif':43,87 'structur':226 'success':214 'suggest':223 'thin':165 'type':240 'unit':131 'unknown':217 'url':236 'usd':139 'usdc':16,32,85,117,133 'usdc-settlement' 'use':84 'util':77 'via':10,26,47,103 'wallet':178 'x':111 'x-payment':110 'x402':11,27,49,105 'x402 API' 'x402-payment'","prices":[{"id":"dcb981f2-e21a-44b1-ad88-a8507cb59e82","listingId":"77fb93ba-008e-4fb8-a2ff-11126378950a","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/78","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:06.799Z"}],"sources":[{"listingId":"77fb93ba-008e-4fb8-a2ff-11126378950a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/78","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:06.799Z","lastSeenAt":"2026-04-27T06:33:42.700Z"}],"details":{"listingId":"77fb93ba-008e-4fb8-a2ff-11126378950a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/78 \\\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 with maxAmountRequired of 20000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/78"},{"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 asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/78"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompt.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving audit log entries on a per-request payment basis without needing an API key","Agent-driven data access where payment is settled on-chain per call","Programmatic access to log data with no subscription or rate-limit overhead"],"bestFor":["Developers or agents needing one-off audit log lookups without account setup","x402-compatible agents that can sign USDC payments on Base","Use cases where pay-per-request is preferred over subscription billing"],"notFor":["Bulk audit log retrieval requiring thousands of calls (cost adds up at $0.02 each)","Users who need detailed API documentation or guaranteed SLAs before integrating","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.363Z"},"updatedAt":"2026-04-27T06:33:42.700Z"}}