{"id":"02cada67-6e22-420e-bf78-c1c897f87833","shortId":"wPReYV","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 43) via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. All endpoints on the platform share a uniform $0.02-per-request pricing model settled in USDC on the Base network.\n\nThe specific resource `/api/v1/audit/logs/43` is described as \"Premium API Access\" and accepts POST requests. Payment is handled inline via the x402 protocol: callers receive a 402 challenge containing payment parameters (payTo address, asset contract, max amount of 20,000 base units = $0.02 USDC), then submit an `X-PAYMENT` header with a signed payment to unlock the response. No API keys, rate limits, or upfront commitments are required.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The actual content and structure of the audit log data returned by this endpoint is unknown from the available material.","tags":[],"capabilities":["x402-payment","pay-per-request","usdc-settlement","base-network","audit-logs","json-response","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","premium API access","x402 API","pay-per-call API","lowpaymentfee","USDC micropayment API","Base network API"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README pages all render only a wallet-connect prompt with no technical content.","No OpenAPI or schema definition found; request body format and response structure are unknown.","The specific endpoint /api/v1/audit/logs/43 is not listed on the provider's landing page catalog, raising questions about whether it is a standard offering or a test resource.","Audit log content and structure are entirely undocumented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/43","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/43","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming it is operational. However, there is no OpenAPI spec, no request/response schema, no example payloads, and no documentation beyond a landing page listing. The actual data returned by this audit-log endpoint is completely undocumented. This is effectively a stub 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'/api/v1/audit/logs/43':108 '/docs':182 '/pricing':183 '/readme':186 '0.02':12,28,92,146 '000':143 '20':142 '402':130 '43':46 'Base network API' 'USDC micropayment API' 'accept':116 'access':7,23,38,114 'actual':215 'addit':197 'address':136 'ai/ml':77 'amount':140 'analyt':76 'api':73,113,164 'asset':137 'audit':5,21,40,221 'audit log API' 'audit-logs' 'avail':213,232 'base':9,25,103,144 'base-network' 'beyond':174 'broad':66 'call':4,20 'caller':127 'catalog':67 'challeng':131 'commit':170 'connect':192 'contain':132 'content':216 'contract':138 'data':42,75,80,223 'describ':110 'detail':199 'document':173,208 'endpoint':34,57,85,227 'exampl':211 'extrem':179 'finance/web3':79 'handl':121 'header':154 'host':64 'id':45 'infer':78 'infrastructur':82 'inlin':122 'json-response' 'key':165 'land':176 'limit':167 'log':6,22,41,44,222 'lowpaymentfee' 'lowpaymentfee.com':36,61 'mani':56 'materi':233 'max':139 'model':97 'network':104 'no-api-key' 'offer':58 'one':54 'openapi':203 'page':177,187 'paramet':134 'pay':2,18,70 'pay-per-cal':1,17 'pay-per-call API' 'pay-per-request':69 'payload':212 'payment':50,119,133,153,158 'payto':135 'per':3,13,19,29,71,94 'per-request':93 'platform':62,88 'post':117 'premium':112 'premium API access' 'price':96 'prompt':194 'protocol':51,126 'provid':37 'rate':166 'receiv':128 'render':189 'request':14,30,72,95,118 'request/response':206 'requir':172 'resourc':107 'respons':162 'return':224 'schema':207 'settl':98 'share':89 'sign':157 'span':74 'spars':180 'spec':204 'specif':43,106 'structur':218 'submit':149 'technic':198 'uniform':91 'unit':145 'unknown':229 'unlock':160 'upfront':169 'usdc':16,32,100,147 'usdc-settlement' 'util':83 'via':10,26,47,123 'wallet':193 'x':152 'x-payment':151 'x402':11,27,49,125 'x402 API' 'x402-payment'","prices":[{"id":"79c9aec7-1c53-414b-ac38-b84f50512985","listingId":"02cada67-6e22-420e-bf78-c1c897f87833","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/43","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:56.503Z"}],"sources":[{"listingId":"02cada67-6e22-420e-bf78-c1c897f87833","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/43","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:56.503Z","lastSeenAt":"2026-04-27T07:04:40.636Z"}],"details":{"listingId":"02cada67-6e22-420e-bf78-c1c897f87833","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/43\n# Returns 402 with x402 challenge. Include signed payment in X-PAYMENT header to access.","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 network","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/43"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers APIs across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving audit log records on a per-request payment basis without needing an API key","Integrating pay-per-call audit data into agent workflows using x402 protocol","Accessing premium data endpoints with USDC micropayments on Base L2"],"bestFor":["Agents or applications that need on-demand audit log access without subscription commitments","Developers experimenting with x402 payment-gated APIs","Low-volume consumers who prefer per-request pricing over monthly plans"],"notFor":["High-volume audit log consumers who need bulk or streaming access","Users who need detailed API documentation or guaranteed SLAs before integrating","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.838Z"},"updatedAt":"2026-04-27T07:04:40.636Z"}}