{"id":"4e4a5c5d-aed9-48a6-9217-70455e39da3d","shortId":"mJCjnw","kind":"x402","title":"Pay-per-call audit logs endpoint on Base via x402 — $0.02/request in USDC.","tagline":"Pay-per-call audit logs endpoint on Base via x402 — $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to audit log data (specifically log ID 12) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum cost of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).\n\nThe provider operates a broader platform offering multiple API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments required. The specific endpoint probed (/api/v1/audit/logs/12) is labeled \"Premium API Access\" and appears to serve audit log records.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the audit log response contains. The endpoint is confirmed live (returns a valid x402 402 challenge), but the actual payload structure is unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","audit-logs","pay-per-call","no-api-key"],"categories":["data","infrastructure"],"synonyms":["audit log API","x402 API","pay-per-request API","Base USDC endpoint","lowpaymentfee","micropayment API","crypto-paid API"],"warnings":["No documentation available — docs/pricing/README pages only show 'Connect wallet'","No request or response schema provided; payload structure is unknown","The specific endpoint path (/api/v1/audit/logs/12) with a hardcoded ID suggests limited utility or a demo resource","Provider legitimacy and data quality cannot be verified from available materials"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/12","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/12","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid x402 challenge, but there is no OpenAPI schema, no request/response examples, and documentation pages are effectively empty. The actual data returned is unknown, making this largely a stub 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'/request':13,28 '0.02':12,27,78,108 '000':74 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':67 '12':44 '20':73 '402':190 '6':82 'Base USDC endpoint' 'accept':51 'access':36,131 'actual':194 'ai':97 'analyt':96 'api':92,113,130,145 'appear':133 'audit':5,20,38,136,177 'audit log API' 'audit-logs' 'base':9,24,62,75 'base-network' 'broader':88 'call':4,19 'categori':93 'challeng':191 'commit':120 'confirm':184 'connect':154 'contain':180 'contract':66 'cost':71 'crypto-paid API' 'data':40,95 'decim':83 'descript':172 'detail':161 'doc':144 'document':139 'endpoint':7,22,32,124,182 'exampl':169 'extrem':141 'field':175 'financ':100 'given':79 'i.e':77 'id':43 'includ':94 'infrastructur':103 'json':56 'key':114 'label':128 'learn':99 'limit':117 'live':185 'log':6,21,39,42,137,178 'lowpaymentfee' 'lowpaymentfee.com':34 'machin':98 'maximum':70 'micropayment API' 'multipl':91 'network':63 'no-api-key' 'offer':90 'openapi':165 'oper':86 'page':149 'pay':2,17 'pay-per-cal':1,16 'pay-per-call' 'pay-per-request API' 'payload':195 'payment':48,57 'per':3,18,109 'platform':89 'post':52 'premium':129 'price':106,146 'probe':125 'prompt':156 'protocol':49 'provid':35,85 'rate':116 'readm':148 'record':138 'render':151 'request':53,110 'request/response':168 'requir':121 'respons':179 'return':55,186 'schema':166 'serv':135 'settl':59 'spars':142 'specif':41,123 'structur':196 'technic':160 'unit':76 'unknown':198 'usdc':15,30,65,80 'usdc-settlement' 'use':64 'util':104 'valid':188 'via':10,25,45 'wallet':155 'web3':101 'x402':11,26,47,189 'x402 API' 'x402-payment'","prices":[{"id":"d6930708-2621-48b3-b757-68e2e6c986e3","listingId":"4e4a5c5d-aed9-48a6-9217-70455e39da3d","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/12","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:42:55.280Z"}],"sources":[{"listingId":"4e4a5c5d-aed9-48a6-9217-70455e39da3d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/12","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:42:55.280Z","lastSeenAt":"2026-04-27T07:04:40.564Z"}],"details":{"listingId":"4e4a5c5d-aed9-48a6-9217-70455e39da3d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/12 \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -H \"Content-Type: application/json\"","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 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/12"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/12"}],"useCases":["Retrieving audit log records without needing an API key or subscription","Programmatic access to audit data with per-call USDC micropayments","Agent-driven log retrieval settled on Base L2"],"bestFor":["Developers wanting keyless, pay-per-use audit log access","AI agents that can settle x402 payments on Base","Users who prefer crypto micropayments over subscription billing"],"notFor":["Users needing detailed API documentation or guaranteed SLAs","Bulk audit log retrieval where per-call pricing would be expensive","Users without access to USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.86Z"},"updatedAt":"2026-04-27T07:04:40.564Z"}}