{"id":"2cb2b3e3-dc02-41c7-bf4b-16cc87f37689","shortId":"YC2ARD","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 23) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) at a cost of $0.02 per request (20,000 base units with 6 decimals).\n\nThe endpoint is part of a broader platform offering multiple pay-per-call API categories including data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints on the platform are priced uniformly at $0.02 per request with no API keys, no rate limits, and no minimum commitments.\n\nThe specific endpoint probed (/api/v1/audit/logs/23) is not listed on the provider's landing page among the advertised API categories, so its exact response schema and purpose are unclear. It may be an internal or unlisted endpoint. Documentation pages (/docs, /pricing, /api, /README) all returned only a \"Connect wallet\" prompt with no substantive content, so detailed request/response schemas are unavailable.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","audit-logs","json-response","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 API","micropayment API","pay-per-request","Base USDC API","lowpaymentfee","audit trail endpoint"],"warnings":["This specific endpoint (/api/v1/audit/logs/23) is not listed on the provider's landing page among advertised APIs — it may be unlisted or internal.","All documentation pages (/docs, /pricing, /api, /README) returned only a 'Connect wallet' prompt with no substantive content.","No request body schema or response schema is documented anywhere.","The exact data returned by this audit log endpoint is unknown."],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/23","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/23","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 402 with a valid x402 challenge), but this specific path (/api/v1/audit/logs/23) is not listed among the provider's advertised APIs. Documentation pages are empty (wallet-connect only). No request/response schema, no examples, and no detailed docs are 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'/api/v1/audit/logs/23':156 '/docs':190 '/pricing':191 '/readme':193 '0.02':12,28,75,138 '000':79 '0x8335':69 '20':78 '23':46 '2913':70 '6':83 'Base USDC API' 'accept':53 'access':7,23,38 'advertis':168 'ai':104 'among':166 'analysi':108 'analyt':103 'api':99,143,169 'audit':5,21,40 'audit log API' 'audit trail endpoint' 'audit-logs' 'base':9,25,64,80 'broader':91 'call':4,20,98 'categori':100,170 'classif':110 'commit':151 'connect':198 'content':204 'contract':68 'convers':127 'cost':73 'data':42,102 'decim':84 'detail':206 'document':188 'embed':111 'endpoint':34,86,130,154,187 'estim':121 'exact':173 'exchang':116 'feed':115 'financ':112 'gas':120 'generat':128 'geocod':125 'id':45 'includ':101 'infrastructur':123 'intern':184 'json':58 'json-response' 'key':144 'land':164 'learn':106 'limit':147 'list':159 'log':6,22,41,44 'lowpaymentfee' 'lowpaymentfee.com':36 'machin':105 'may':181 'micropayment API' 'minimum':150 'multipl':94 'network':65 'no-api-key' 'offer':93 'page':165,189 'part':88 'pay':2,18,96 'pay-per-cal':1,17,95 'pay-per-call' 'pay-per-request' 'payment':50,59 'per':3,13,19,29,76,97,139 'platform':92,133 'post':54 'price':114,135 'probe':155 'prompt':200 'protocol':51 'provid':37,162 'purpos':177 'quot':119 'rate':117,146 'request':14,30,55,77,140 'request/response':207 'respons':174 'return':57,195 'schema':175,208 'sentiment':107 'settl':61 'specif':43,153 'substant':203 'summar':109 'token':118 'unavail':210 'unclear':179 'uniform':136 'unit':81 'unlist':186 'usdc':16,32,67 'usdc-base' 'use':66 'util':124 'valid':126 'via':10,26,47 'wallet':199 'web3':113 'x402':11,27,49 'x402 API' 'x402-payment'","prices":[{"id":"737c49c0-a24d-4f11-bb15-4ce913cf4591","listingId":"2cb2b3e3-dc02-41c7-bf4b-16cc87f37689","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/23","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:55.890Z"}],"sources":[{"listingId":"2cb2b3e3-dc02-41c7-bf4b-16cc87f37689","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/23","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:55.890Z","lastSeenAt":"2026-04-27T07:04:40.609Z"}],"details":{"listingId":"2cb2b3e3-dc02-41c7-bf4b-16cc87f37689","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/23 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","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 requesting 20,000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/23"},{"claim":"USDC contract address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/23"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The provider advertises APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving audit log entries on a per-call payment basis without needing an API key","Programmatic access to audit data for compliance or monitoring workflows","Agent-driven data retrieval where per-request crypto payment is preferred over subscriptions"],"bestFor":["Developers wanting keyless, pay-as-you-go API access","AI agents that can settle x402 payments on Base","Users who need low-cost, no-commitment audit log access"],"notFor":["High-volume bulk audit log retrieval where per-call pricing becomes expensive","Users who need detailed API documentation or guaranteed SLAs","Anyone unable to pay with USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.859Z"},"updatedAt":"2026-04-27T07:04:40.609Z"}}