{"id":"0226ec61-9a2c-4a89-bd4c-69d5797f4fb8","shortId":"fezqZG","kind":"x402","title":"Pay-per-call audit log access on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call audit log access on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to audit log data (specifically log entry 24) 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 and settled in USDC on the Base network.\n\nThe specific resource `/api/v1/audit/logs/24` is described as \"Premium API Access\" and accepts POST requests. Payment is handled inline: callers send an X-PAYMENT header containing a signed x402 payment for up to 20,000 base units of USDC (i.e., $0.02, since USDC uses 6 decimals). The endpoint returns JSON. No API keys or accounts are required — authentication and authorization are handled entirely through the on-chain payment challenge.\n\nThe platform advertises no rate limits, no minimums, and instant access. Documentation pages (/docs, /pricing, /README) appear to require a wallet connection and contain no additional crawlable content. There is no OpenAPI spec or detailed schema available, so the exact request body format and response structure for this audit-logs endpoint are unknown. The endpoint is live and returning a valid x402 402 challenge.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","audit-logs","pay-per-request","no-api-key","json-response"],"categories":["data","infrastructure"],"synonyms":["audit log API","premium API access","x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request body and response format are unknown","The endpoint path '/api/v1/audit/logs/24' references a specific log ID; it is unclear whether this is a fixed demo resource or a parameterized path","Documentation pages (/docs, /pricing, /README) are empty or wallet-gated, providing no additional technical detail","This endpoint is not listed on the provider's landing page among their advertised APIs, raising questions about its intended use"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/24","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/24","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI spec, no documentation beyond a landing page listing, no request/response schema, and the specific purpose of 'audit/logs/24' is unclear. The docs, pricing, and README pages are gated behind wallet connection and yield no 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'/docs':177 '/pricing':178 '/readme':179 '/request':17,34 '0.02':16,33,83,134 '000':128 '20':127 '24':48 '402':227 '6':138 'Base network API' 'USDC micropayment API' 'accept':105 'access':7,24,40,103,174 'account':148 'addit':189 'advertis':166 'ai/ml':73 'analyt':72 'api':68,102,145 'appear':180 'audit':5,22,42,213 'audit log API' 'audit-log':212 'audit-logs' 'authent':151 'author':153 'avail':200 'base':9,26,92,129 'base-network' 'bodi':205 'broader':59 'call':4,21 'caller':112 'chain':161 'challeng':163,228 'connect':185 'contain':119,187 'content':191 'crawlabl':190 'data':44,71,76 'decim':139 'describ':99 'detail':198 'document':175 'dozen':62 'endpoint':36,69,141,215,219 'entir':156 'entri':47 'exact':203 'finance/web3':75 'format':206 'handl':110,155 'header':118 'i.e':133 'infer':74 'infrastructur':78 'inlin':111 'instant':173 'json':143 'json-response' 'key':146 'limit':169 'live':221 'log':6,23,43,46,214 'lowpaymentfee' 'lowpaymentfee.com':38 'minimum':171 'network':93 'no-api-key' 'offer':61 'on-chain':159 'openapi':195 'page':176 'part':56 'pay':2,19,65 'pay-per-cal':1,18 'pay-per-call API' 'pay-per-request':64 'payment':52,108,117,123,162 'per':3,20,66,84 'platform':60,165 'post':106 'premium':101 'premium API access' 'price':81 'protocol':53 'provid':39 'rate':168 'request':67,85,107,204 'requir':150,182 'resourc':96 'respons':208 'return':142,223 'schema':199 'send':113 'settl':12,29,87 'sign':121 'sinc':135 'span':70 'spec':196 'specif':45,95 'structur':209 'unit':130 'unknown':217 'usdc':14,31,89,132,136 'usdc-settlement' 'use':137 'util':79 'valid':225 'via':10,27,49 'wallet':184 'x':116 'x-payment':115 'x402':11,28,51,122,226 'x402 API' 'x402-payment'","prices":[{"id":"b0d7cb7c-b8a0-47fc-972e-a67760f38dc9","listingId":"0226ec61-9a2c-4a89-bd4c-69d5797f4fb8","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/24","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:52.862Z"}],"sources":[{"listingId":"0226ec61-9a2c-4a89-bd4c-69d5797f4fb8","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/24","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:52.862Z","lastSeenAt":"2026-04-27T09:33:33.584Z"}],"details":{"listingId":"0226ec61-9a2c-4a89-bd4c-69d5797f4fb8","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/24 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/24"},{"claim":"The platform prices all listed APIs at $0.02 per request with no API keys, no rate limits, and instant access on the Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is USDC on Base with 6 decimals","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/24"}],"useCases":["Retrieving audit log entries on a per-request payment basis","Programmatic access to audit trail data without subscription or API key","Agent-driven data retrieval with inline USDC micropayments"],"bestFor":["Developers or agents needing one-off audit log lookups without account setup","x402-compatible agents that can sign USDC payments on Base","Low-volume, pay-as-you-go data access"],"notFor":["High-volume audit log streaming where per-request pricing is impractical","Users who need detailed API documentation or OpenAPI schemas before integrating","Non-crypto users who cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.987Z"},"updatedAt":"2026-04-27T09:33:33.584Z"}}