{"id":"f9781083-b8a3-4d17-9097-71c00568d053","shortId":"cM8J8h","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 36) via the x402 payment protocol. The endpoint 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). No API keys or rate limits are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/Web3 data (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request. However, this specific listing covers only the `/api/v1/audit/logs/36` endpoint, which appears to serve audit log records.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. 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 response format and required request body fields are unknown.","tags":[],"capabilities":["x402-payment","usdc-base-network","audit-log-access","pay-per-call","no-api-key","json-response"],"categories":["data","infrastructure"],"synonyms":["audit logs","log retrieval","audit trail","event log","activity log","x402 api","pay-per-request api","lowpaymentfee"],"warnings":["No OpenAPI spec or schema documentation available","No request body schema — required POST fields are unknown","No response schema or example response documented","Docs, pricing, and API pages are empty (only show 'Connect wallet')","The specific resource '/api/v1/audit/logs/36' is not listed on the provider's homepage catalog — it may be an internal or unlisted endpoint","Actual data returned by this audit log endpoint is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/36","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/36","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 audit log endpoint's purpose and data format are entirely opaque. The docs pages return only 'Connect wallet' with no 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'0.02':12,28,76,153 '000':80 '0x8335':70 '20':79 '2913':71 '36':46 '402':216 '6':84 'accept':54 'access':7,23,38 'activity log' 'actual':220 'ai/ml':124 'analysi':127 'analyt':123 'api':87,120,180 'appear':166 'attach':96 'audit':5,21,40,169 'audit logs' 'audit trail' 'audit-log-access' 'avail':207 'base':9,25,65,81 'bodi':226 'broader':113 'call':4,20,119 'caller':94 'catalog':114 'challeng':217 'classif':129 'confirm':211 'connect':186 'contract':69 'convers':146 'cost':74 'cover':160 'data':42,122,132 'decim':85 'detail':193 'doc':177 'document':172,202 'embed':130 'endpoint':34,53,149,164,209 'entri':45 'estim':140 'event log' 'exampl':205 'exchang':135 'extrem':174 'feed':134 'field':227 'finance/web3':131 'format':222 'gas':139 'generat':147 'geocod':144 'header':101 'host':111 'howev':156 'infer':125 'infrastructur':142 'json':59 'json-response' 'key':88 'limit':91 'list':151,159 'live':212 'log':6,22,41,44,170 'log retrieval' 'lowpaymentfee' 'lowpaymentfee.com':36,110 'network':66 'no-api-key' 'openapi':197 'page':181 'pay':2,18,117 'pay-per-cal':1,17,116 'pay-per-call' 'pay-per-request api' 'payload':206 'payment':50,60,100,106 'per':3,13,19,29,77,118,154 'post':55 'price':133,178 'prompt':188 'proof':107 'proper':215 'protocol':51 'provid':37,109 'quot':138 'rate':90,136 'record':171 'render':183 'request':14,30,56,78,155,225 'request/response':200 'requir':93,224 'respons':221 'return':58,213 'schema':201 'sentiment':126 'serv':168 'settl':62 'simpli':95 'span':121 'spars':175 'spec':198 'specif':43,158 'summar':128 'technic':192 'token':137 'unit':82 'unknown':229 'usdc':16,32,68 'usdc-base-network' 'use':67 'util':143 'valid':104,145 'via':10,26,47 'wallet':187 'x':99 'x-payment':98 'x402':11,27,49,105 'x402 api' 'x402-payment'","prices":[{"id":"8ff38ff7-b303-492d-a0b7-5aac265c4c84","listingId":"f9781083-b8a3-4d17-9097-71c00568d053","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/36","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:58.958Z"}],"sources":[{"listingId":"f9781083-b8a3-4d17-9097-71c00568d053","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/36","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:58.958Z","lastSeenAt":"2026-04-27T07:04:40.708Z"}],"details":{"listingId":"f9781083-b8a3-4d17-9097-71c00568d053","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/36 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","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 USDC on Base network at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/36"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/36"},{"claim":"Provider lists all APIs at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, and API pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving audit log entries for compliance or monitoring purposes","Programmatic access to activity records without managing API keys","Agent-driven log retrieval with automatic micropayment settlement"],"bestFor":["Developers needing on-demand audit log access without subscription commitments","AI agents that can settle x402 payments on Base","Use cases requiring keyless, pay-as-you-go API access"],"notFor":["Bulk log export or streaming — this is a single-record endpoint","Users without a Base-compatible wallet or USDC balance","Anyone needing detailed API documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.729Z"},"updatedAt":"2026-04-27T07:04:40.708Z"}}