{"id":"4595de30-9f9f-4e89-bef2-5c7a50f99d66","shortId":"aEprYe","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 56) 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 (lowpaymentfee.com) that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access; callers simply attach an x402 payment header to each request.\n\nDocumentation is extremely sparse. The /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The specific functionality of the audit logs endpoint (what data it returns, what parameters it accepts) is not documented anywhere in the crawled material. The endpoint is confirmed live — it returns a proper 402 x402 challenge.","tags":[],"capabilities":["x402-payment","pay-per-call","audit-logs","usdc-settlement","base-network","json-api"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 audit endpoint","pay-per-request API","lowpaymentfee","USDC micropayment API","Base network API","402 payment API"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README pages all return only a 'Connect wallet' prompt with no substantive content.","No OpenAPI or schema definition found for this endpoint.","The purpose and data returned by /api/v1/audit/logs/56 is not documented; 'Premium API Access' is a generic label.","Request body format and accepted parameters are unknown."],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/56","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/56","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 x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no examples, and all documentation pages returned only 'Connect wallet' with no content. The specific purpose of 'audit/logs/56' is 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'/docs':147 '/pricing':148 '/readme':151 '0.02':12,28,75,117 '000':79 '0x8335':69 '20':78 '2913':70 '402':211 '402 payment API' '56':46 '6':83 'Base network API' 'USDC micropayment API' 'accept':53,193 'access':7,23,38,131 'advertis':122 'ai/ml':107 'analyt':106 'anywher':197 'api':103,124 'attach':134 'audit':5,21,40,183 'audit log API' 'audit-logs' 'avail':177 'base':9,25,64,80 'base-network' 'broader':91 'call':4,20,102 'caller':132 'challeng':213 'confirm':205 'connect':157 'content':163 'contract':68 'cost':73 'crawl':200 'data':42,105,110,187 'decim':84 'document':142,172,196 'endpoint':34,86,185,203 'entri':45 'exampl':175 'extrem':144 'finance/web3':109 'function':180 'header':138 'infer':108 'infrastructur':112 'instant':130 'json':58 'json-api' 'key':125 'limit':128 'live':206 'log':6,22,41,44,184 'lowpaymentfee' 'lowpaymentfee.com':36,93 'materi':201 'network':65 'offer':95 'openapi':167 'page':152 'paramet':191 'part':88 'pay':2,18,100 'pay-per-cal':1,17,99 'pay-per-call' 'pay-per-request API' 'payload':176 'payment':50,59,137 'per':3,13,19,29,76,101,118 'platform':92,121 'post':54 'price':115 'prompt':159 'proper':210 'protocol':51 'provid':37 'rate':127 'request':14,30,55,77,119,141 'request/response':170 'return':57,154,189,208 'schema':171 'settl':61 'simpli':133 'span':104 'spars':145 'spec':168 'specif':43,179 'substant':162 'unit':81 'usdc':16,32,67 'usdc-settlement' 'use':66 'util':113 'varieti':97 'via':10,26,47 'wallet':158 'x402':11,27,49,136,212 'x402 audit endpoint' 'x402-payment'","prices":[{"id":"c5d47758-a4c1-4d52-9a8a-4a81fa8a63e0","listingId":"4595de30-9f9f-4e89-bef2-5c7a50f99d66","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/56","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:03.825Z"}],"sources":[{"listingId":"4595de30-9f9f-4e89-bef2-5c7a50f99d66","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/56","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:03.825Z","lastSeenAt":"2026-04-27T06:33:42.594Z"}],"details":{"listingId":"4595de30-9f9f-4e89-bef2-5c7a50f99d66","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/56 \\\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":"Endpoint returns a 402 x402 challenge with USDC on Base network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/56"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/56"}],"useCases":["Retrieving audit log entry 56 from the lowpaymentfee.com platform","Programmatic access to audit data without API key registration","Agent-driven data retrieval with per-call crypto micropayments"],"bestFor":["Developers wanting keyless, pay-per-call API access","AI agents that can settle x402 payments on Base","Users who need audit log data and prefer crypto micropayments over subscriptions"],"notFor":["Users needing detailed API documentation or request/response schemas before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.489Z"},"updatedAt":"2026-04-27T06:33:42.594Z"}}