{"id":"5bf2a51c-bf39-4865-9b9c-a0c19ff256a4","shortId":"7TZaRG","kind":"x402","title":"x402-gated audit log endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated audit log endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to an audit log resource (specifically log ID 97) behind an x402 paywall. The provider operates a broad suite of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request, settled in USDC on the Base network. No API keys, rate limits, or upfront commitments are required; callers simply attach an x402 payment header to each request.\n\nThe specific endpoint `/api/v1/audit/logs/97` is labeled \"Premium API Access\" in the x402 challenge. The challenge confirms the endpoint is live, accepts POST requests, and requires up to 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals → $0.02) per call. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. The response MIME type is application/json.\n\nDocumentation beyond the landing page is extremely thin — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no description of what the audit log resource actually contains. The endpoint appears to be part of a larger platform offering many x402-gated APIs, but the specific functionality of this audit-logs endpoint is unclear from available materials.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","audit-logs","json-response","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 API","pay-per-call API","USDC micropayment API","Base network API","lowpaymentfee","premium API access"],"warnings":["No OpenAPI or schema available — request body and response structure are unknown","All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no useful content","The specific purpose and contents of audit log ID 97 are undocumented","No examples of successful responses are available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/97","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/97","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 challenge with clear pricing, but there is no OpenAPI spec, no request/response schema, no documentation, and no description of what the audit log resource actually returns. The docs pages are empty beyond a wallet-connect prompt. This is effectively a stub 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'/api/v1/audit/logs/97':106 '/docs':171 '/pricing':173 '/readme':175 '0.02':10,24,73,142 '000':131 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':150 '0x8335':136 '20':130 '2913':137 '300':153 '6':140 '97':43 'Base network API' 'USDC micropayment API' 'accept':123 'access':34,111 'actual':205 'address':149 'ai/ml':63 'analyt':62 'api':59,84,110,222 'appear':209 'application/json':161 'attach':95 'audit':4,18,37,202,230 'audit log API' 'audit-log':229 'audit-logs' 'avail':236 'base':8,22,81,132,139 'behind':44 'beyond':163 'broad':52 'call':58,144 'caller':93 'challeng':115,117 'commit':90 'confirm':118 'connect':181 'contain':206 'content':187 'data':61,66 'decim':141 'descript':198 'document':162 'endpoint':6,20,30,105,120,208,232 'extrem':168 'finance/web3':65 'function':226 'gate':3,17,221 'header':99 'id':42 'infer':64 'infrastructur':68 'json-response' 'key':85 'label':108 'land':165 'larger':215 'limit':87 'live':122 'log':5,19,38,41,203,231 'lowpaymentfee' 'lowpaymentfee.com':32 'mani':218 'materi':237 'mime':158 'network':82 'no-api-key' 'offer':217 'openapi':191 'oper':50 'page':166,176 'part':212 'pay':9,23,56 'pay-per-cal':55 'pay-per-call API' 'pay-per-request' 'payment':98,145 'paywal':47 'per':11,25,57,74,143 'platform':216 'post':124 'premium':109 'premium API access' 'price':71 'prompt':183 'provid':33,49 'rate':86 'render':178 'request':12,26,75,102,125 'request/response':194 'requir':92,127 'resourc':39,204 'respons':157 'schema':195 'second':154 'sent':147 'settl':76 'simpli':94 'span':60 'spec':192 'specif':40,104,225 'suit':53 'thin':169 'timeout':155 'type':159 'unclear':234 'unit':133 'upfront':89 'usdc':14,28,78,135 'usdc-base' 'util':69 'wallet':182 'x402':2,16,46,97,114,220 'x402 API' 'x402-gated':1,15,219 'x402-payment'","prices":[{"id":"0c3bea96-bce8-42b3-9774-e9f629b8be4c","listingId":"5bf2a51c-bf39-4865-9b9c-a0c19ff256a4","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/97","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:15.291Z"}],"sources":[{"listingId":"5bf2a51c-bf39-4865-9b9c-a0c19ff256a4","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/97","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:15.291Z","lastSeenAt":"2026-04-27T03:32:53.188Z"}],"details":{"listingId":"5bf2a51c-bf39-4865-9b9c-a0c19ff256a4","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/97 \\\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 HTTP 402 with x402 challenge requiring up to 20,000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/97"},{"claim":"All APIs 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":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/97"}],"useCases":["Retrieving audit log entries via a micropayment-gated API call","Programmatic access to log data without API key registration","Agent-driven data retrieval with per-request USDC settlement on Base"],"bestFor":["Developers wanting zero-signup, pay-as-you-go API access","AI agents that can settle x402 payments on Base","Users who need audit log data without rate limits or subscriptions"],"notFor":["Users who need detailed documentation or schema guarantees before integrating","High-volume consumers who want bulk pricing or subscription discounts","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:27.856Z"},"updatedAt":"2026-04-27T03:32:53.188Z"}}