{"id":"1f0698dc-37ec-4f67-9e19-fc1e1ca8e6da","shortId":"JZKx9N","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 68) 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 authenticate purely via the x402 payment header.\n\nDocumentation is extremely sparse. The /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples. The specific purpose and schema of the audit logs endpoint is not documented beyond its URL path and the generic \"Premium API Access\" label. Prospective users should expect to experiment or contact the provider for details on what data this endpoint actually returns.","tags":[],"capabilities":["x402-payment","usdc-base","audit-logs","pay-per-call","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 audit endpoint","pay-per-request logs","Base USDC API","lowpaymentfee audit","402 payment API"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all render only 'Connect wallet' with no content","No OpenAPI or schema definition for request or response payloads","The specific data returned by /api/v1/audit/logs/68 is undocumented; 'Premium API Access' is a generic label applied across the platform","Cannot verify what audit log data is actually served or whether the endpoint returns meaningful results after payment"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/68","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/68","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI spec, no response schema, and no examples. The audit logs endpoint purpose is entirely opaque beyond its URL path. This is effectively a stub 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'/docs':145 '/pricing':146 '/readme':149 '0.02':12,28,75,117 '000':79 '0x8335':69 '20':78 '2913':70 '402 payment API' '6':83 '68':46 'Base USDC API' 'accept':53 'access':7,23,38,131,197 'actual':216 'advertis':122 'ai/ml':107 'analyt':106 'api':103,124,196 'audit':5,21,40,182 'audit log API' 'audit-logs' 'authent':133 'base':9,25,64,80 'beyond':188 'broader':91 'call':4,20,102 'caller':132 'connect':155 'contact':206 'content':161 'contract':68 'cost':73 'data':42,105,110,213 'decim':84 'detail':210 'document':140,170,187 'endpoint':34,86,184,215 'entri':45 'exampl':174 'expect':202 'experi':204 'extrem':142 'finance/web3':109 'generic':194 'header':139 'infer':108 'infrastructur':112 'instant':130 'json':58 'key':125 'label':198 'limit':128 'log':6,22,41,44,183 'lowpaymentfee audit' 'lowpaymentfee.com':36,93 'network':65 'no-api-key' 'offer':95 'openapi':165 'page':150 'part':88 'path':191 'pay':2,18,100 'pay-per-cal':1,17,99 'pay-per-call' 'pay-per-request logs' 'payment':50,59,138 'per':3,13,19,29,76,101,118 'platform':92,121 'post':54 'premium':195 'price':115 'prompt':157 'prospect':199 'protocol':51 'provid':37,208 'pure':134 'purpos':177 'rate':127 'render':152 'request':14,30,55,77,119 'request/response':168 'return':57,217 'schema':169,179 'settl':61 'span':104 'spars':143 'spec':166 'specif':43,176 'unit':81 'url':190 'usag':173 'usdc':16,32,67 'usdc-base' 'use':66 'user':200 'util':113 'varieti':97 'via':10,26,47,135 'wallet':156 'x402':11,27,49,137 'x402 audit endpoint' 'x402-payment'","prices":[{"id":"b84d61eb-6175-45c2-828b-c04e4e8417fd","listingId":"1f0698dc-37ec-4f67-9e19-fc1e1ca8e6da","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/68","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:07.424Z"}],"sources":[{"listingId":"1f0698dc-37ec-4f67-9e19-fc1e1ca8e6da","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/68","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:07.424Z","lastSeenAt":"2026-04-27T05:04:23.558Z"}],"details":{"listingId":"1f0698dc-37ec-4f67-9e19-fc1e1ca8e6da","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/68 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/audit/logs/68","method":"POST","headers":{"X-PAYMENT":"<x402_payment_token>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/68"},{"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 on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/68"},{"claim":"maxAmountRequired is 20000 base units (USDC 6 decimals = $0.02)","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/68"}],"useCases":["Retrieving audit log entries on a per-call payment basis without needing an API key","Integrating pay-per-use audit data into automated agent workflows","Accessing structured log data settled via USDC on Base L2"],"bestFor":["Agents or developers who want keyless, pay-per-call access to audit data","x402-compatible wallets and agent frameworks on Base","Low-volume or sporadic audit log lookups where subscriptions are overkill"],"notFor":["High-volume bulk log retrieval where per-call pricing adds up quickly","Users who need detailed API documentation or guaranteed SLAs before integrating","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.363Z"},"updatedAt":"2026-04-27T05:04:23.558Z"}}