{"id":"af7ae2f2-46e4-41e4-96bb-12356745fe24","shortId":"qCm9hF","kind":"x402","title":"Pay-per-call audit logs endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call audit logs endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This x402-enabled endpoint at `/api/v1/audit/logs/6` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 payment protocol on the Base network, accepting USDC (USD Coin) with no API keys, no rate limits, and no subscriptions required.\n\nThe specific endpoint probed (`/api/v1/audit/logs/6`) is described as \"Premium API Access\" and costs $0.02 per request (20,000 base units of USDC with 6 decimals). It accepts POST requests and returns `application/json`. Payment is made via the x402 exact scheme to the payTo address on Base, with a max timeout of 300 seconds. The broader platform advertises a uniform $0.02/request pricing across all its endpoints.\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 example payloads available. The endpoint is confirmed live (returns a proper 402 challenge), but the actual functionality behind \"audit/logs/6\" is unclear beyond the generic \"Premium API Access\" label. The platform appears to be a demonstration or early-stage x402 API marketplace.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","audit-logs","json-api","no-api-key","no-rate-limit"],"categories":["infrastructure","data"],"synonyms":["audit logs API","x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","premium API access"],"warnings":["No OpenAPI spec or schema documentation available","Docs, pricing, API, and README pages all render only 'Connect wallet' with no content","The actual data returned by /api/v1/audit/logs/6 is undocumented — 'Premium API Access' is a generic label","Platform may be a demo or early-stage project; functional depth is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/6","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/6","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 402 challenge and clear pricing, but there is no documentation, no OpenAPI spec, no request/response schema, and no examples. The actual functionality of 'audit/logs/6' is undefined beyond a generic label. This is effectively a stub 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'/request':17,34,155 '0.02':16,33,108,154 '000':112 '20':111 '300':146 '402':205 '6':118 'Base network API' 'USDC micropayment API' 'accept':80,121 'access':105,220 'across':157 'actual':209 'address':138 'advertis':151 'ai/ml':62 'analyt':61 'api':58,86,104,168,219,234 'appear':224 'application/json':126 'audit':5,22 'audit logs API' 'audit-logs' 'audit/logs/6':212 'avail':196 'base':9,26,78,113,140 'base-network' 'behind':211 'beyond':215 'broad':51 'broader':149 'call':4,21 'catalog':52 'challeng':206 'coin':83 'confirm':200 'connect':176 'content':182 'cost':107 'crypto':65 'data':60 'decim':119 'demonstr':228 'describ':101 'doc':166 'document':161,191 'earli':231 'early-stag':230 'enabl':38 'endpoint':7,24,39,70,97,160,198 'exact':133 'exampl':194 'extrem':163 'financ':64 'function':210 'generic':217 'infer':63 'json-api' 'key':87 'label':221 'limit':90 'live':201 'log':6,23 'lowpaymentfee' 'lowpaymentfee.com':46 'made':129 'marketplac':235 'max':143 'network':79 'no-api-key' 'no-rate-limit' 'offer':49 'openapi':186 'page':171 'part':43 'pay':2,19,55 'pay-per-cal':1,18 'pay-per-call API' 'pay-per-request':54 'payload':195 'payment':74,127 'payto':137 'per':3,20,56,109 'platform':47,150,223 'post':122 'premium':103,218 'premium API access' 'price':156,167 'probe':98 'prompt':178 'proper':204 'protocol':75 'rate':89 'readm':170 'render':173 'request':57,110,123 'request/response':189 'requir':94 'return':125,202 'schema':190 'scheme':134 'second':147 'servic':68 'settl':12,29 'span':59 'spars':164 'spec':187 'specif':96 'stage':232 'subscript':93 'timeout':144 'unclear':214 'uniform':153 'unit':114 'usd':82 'usdc':14,31,81,116 'usdc-settlement' 'use':71 'util':67 'via':10,27,130 'wallet':177 'x402':11,28,37,73,132,233 'x402 API' 'x402-enabled':36 'x402-payment'","prices":[{"id":"f4f9fe1e-f5df-4150-9fed-21fb15e32533","listingId":"af7ae2f2-46e4-41e4-96bb-12356745fe24","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/6","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:05.061Z"}],"sources":[{"listingId":"af7ae2f2-46e4-41e4-96bb-12356745fe24","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/6","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:05.061Z","lastSeenAt":"2026-04-27T06:33:42.680Z"}],"details":{"listingId":"af7ae2f2-46e4-41e4-96bb-12356745fe24","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/6 \\\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 valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/6"},{"claim":"Platform advertises $0.02/request uniform pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/6"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving audit log data via a single paid API call without needing an API key","Demonstrating x402 payment protocol integration for agent-to-API commerce","Accessing infrastructure services with per-request USDC micropayments on Base"],"bestFor":["Developers experimenting with x402 payment protocol","AI agents that need keyless, pay-per-call API access","Projects requiring low-friction micropayment-gated endpoints on Base"],"notFor":["Production workloads requiring well-documented, schema-validated APIs","Users who need free or subscription-based access without crypto wallets"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.365Z"},"updatedAt":"2026-04-27T06:33:42.680Z"}}