{"id":"876013cd-e56a-4289-a8c2-7b45c499b5be","shortId":"cSqC34","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 84) 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/84` 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\nNote that while the platform homepage lists many endpoint categories (analytics, AI, finance, infrastructure), this specific listing covers only the `/api/v1/audit/logs/84` endpoint. The audit logs endpoint is not prominently listed on the homepage, so its exact response schema and data contents are unclear. Documentation pages (`/docs`, `/pricing`, `/README`) returned only a \"Connect wallet\" prompt with no substantive content during crawl.","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":["Documentation pages (/docs, /pricing, /README) contain no useful content — only a 'Connect wallet' prompt.","The /api/v1/audit/logs/84 endpoint is not listed on the homepage among the advertised APIs; its purpose and response format are unclear.","No OpenAPI spec or output schema is available; response structure must be discovered empirically.","The endpoint targets a specific log ID (84); it is unclear whether other log IDs are accessible or what data is returned."],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/84","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/84","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge), and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no response examples, no documentation (all doc pages returned only 'Connect wallet'), and the specific audit logs endpoint is not described on the homepage. The actual data returned is 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'/docs':204 '/pricing':205 '/readme':206 '0.02':12,28,138 '000':129 '20':128 '6':134 '84':46 'Base network API' 'USDC micropayment API' 'accept':96 'access':7,23,38,94,151 'advertis':142 'ai':170 'ai/ml':71 'amount':123 'analyt':70,169 'api':66,93,144 'attach':108 'audit':5,21,40,182 'audit log API' 'audit-logs' 'base':9,25,82,120,130 'base-network' 'broader':57 'call':4,20,126 'caller':107 'categori':168 'connect':210 'content':199,216 'cover':176 'crawl':218 'data':42,69,74,198 'decim':135 'document':202 'dozen':60 'endpoint':34,67,167,180,184 'equal':137 'exact':194 'financ':171 'finance/web3':73 'handl':101 'header':113 'homepag':164,191 'id':45 'infer':72 'infrastructur':76,172 'inlin':102 'instant':150 'key':145 'label':91 'limit':148 'list':165,175,188 'log':6,22,41,44,183 'lowpaymentfee' 'lowpaymentfee.com':36 'mani':166 'maximum':122 'network':83 'no-api-key' 'note':159 'noth':157 'offer':59 'page':203 'part':54 'pay':2,18,63,153 'pay-per-cal':1,17 'pay-per-call API' 'pay-per-request':62 'payment':50,99,112,118 'per':3,13,19,29,64,125,154 'platform':58,141,163 'post':97 'premium':92 'premium API access' 'promin':187 'prompt':212 'protocol':51,106 'provid':37 'rate':147 'request':14,30,65,98,155 'requir':124 'resourc':88 'respons':195 'return':207 'schema':196 'settl':79 'sign':116 'span':68 'specif':43,87,174 'substant':215 'unclear':201 'unit':131 'usd':139 'usdc':16,32,85,117,133 'usdc-settlement' 'use':84 'util':77 'via':10,26,47,103 'wallet':211 'x':111 'x-payment':110 'x402':11,27,49,105 'x402 API' 'x402-payment'","prices":[{"id":"31ae0efc-732f-4d72-81aa-b494c3901a20","listingId":"876013cd-e56a-4289-a8c2-7b45c499b5be","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/84","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:14.691Z"}],"sources":[{"listingId":"876013cd-e56a-4289-a8c2-7b45c499b5be","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/84","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:14.691Z","lastSeenAt":"2026-04-27T03:32:53.190Z"}],"details":{"listingId":"876013cd-e56a-4289-a8c2-7b45c499b5be","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/84 \\\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 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/84"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/84"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"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","Programmatic access to audit data without subscription or API key management","Agent-driven data retrieval with inline crypto micropayments"],"bestFor":["Developers or agents needing one-off audit log lookups without committing to a subscription","x402-compatible agents that can sign USDC payments on Base","Low-friction, keyless API access for audit data"],"notFor":["Bulk audit log exports requiring thousands of records at once (each call costs $0.02)","Users who cannot transact in USDC on the Base network","Anyone needing detailed documentation or guaranteed SLAs — docs are currently empty"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:27.856Z"},"updatedAt":"2026-04-27T03:32:53.190Z"}}