{"id":"669ba744-9d0f-415c-80f6-caef1f7e63e4","shortId":"LsYRT9","kind":"x402","title":"Pay-per-call audit log access on Base via x402 — $0.02/request in USDC.","tagline":"Pay-per-call audit log access on Base via x402 — $0.02/request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to audit log data (specifically log ID 92) behind an x402 paywall. The provider operates a broad suite of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all settled on the Base network using USDC at a flat $0.02 per request.\n\nThe specific resource `/api/v1/audit/logs/92` is labeled \"Premium API Access\" and accepts POST requests. Payment is handled via the x402 protocol: callers must include an X-PAYMENT header with a valid payment proof. The endpoint charges up to 20,000 base units of USDC (0.02 USDC = $0.02) per call, paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The payment timeout is 300 seconds.\n\nNote that while the provider's landing page lists many API categories (analytics, AI, finance, geocoding, etc.), the specific endpoint being listed here is for audit logs. Documentation 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 documentation, and no examples of what the audit log response contains. The endpoint is confirmed live (returns a proper 402 challenge), but the lack of documentation makes it difficult to know what data is actually returned.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","audit-logs","pay-per-request","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 documentation available — request body and response format are unknown","Docs, pricing, API, and README pages all render only 'Connect wallet' with no usable content","The endpoint path references a specific log ID (92); it is unclear whether this is a fixed resource or parameterized","The provider lists many API categories on the landing page but none appear documented beyond titles and prices"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/92","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/92","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 x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no examples, and the docs pages are empty. The specific purpose of 'audit/logs/92' is unclear beyond the generic 'Premium API Access' 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'/request':13,28 '0.02':12,27,82,129,131 '000':124 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':137 '20':123 '300':144 '402':226 '92':44 'Base network API' 'USDC micropayment API' 'accept':95 'access':7,22,36,93 'actual':241 'address':136 'ai':159 'ai/ml':64 'analyt':63,158 'api':60,92,156,183 'audit':5,20,38,171,214 'audit log API' 'audit-logs' 'base':9,24,75,125,139 'base-network' 'behind':45 'beyond':174 'broad':53 'call':4,19,133 'caller':105 'categori':157 'challeng':227 'charg':120 'confirm':221 'connect':192 'contain':217 'content':198 'data':40,62,67,239 'difficult':235 'doc':182 'document':173,207,232 'endpoint':32,119,165,219 'etc':162 'exampl':210 'extrem':179 'financ':160 'finance/web3':66 'flat':81 'geocod':161 'handl':100 'header':112 'id':43 'includ':107 'infer':65 'infrastructur':69 'know':237 'label':90 'lack':230 'land':152,176 'list':154,167 'live':222 'log':6,21,39,42,172,215 'lowpaymentfee' 'lowpaymentfee.com':34 'make':233 'mani':155 'must':106 'network':76 'no-api-key' 'note':146 'openapi':202 'oper':51 'page':153,177,187 'paid':134 'pay':2,17,57 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request':56 'payment':98,111,116,141 'paywal':48 'per':3,18,58,83,132 'post':96 'premium':91 'premium API access' 'price':184 'prompt':194 'proof':117 'proper':225 'protocol':104 'provid':35,50,150 'readm':186 'render':189 'request':59,84,97 'request/response':205 'resourc':87 'respons':216 'return':223,242 'schema':206 'second':145 'settl':72 'span':61 'spec':203 'specif':41,86,164 'suit':54 'thin':180 'timeout':142 'unit':126 'usdc':15,30,78,128,130 'usdc-settlement' 'use':77 'util':70 'valid':115 'via':10,25,101 'wallet':193 'x':110 'x-payment':109 'x402':11,26,47,103 'x402 API' 'x402-payment'","prices":[{"id":"cef57afd-64f7-4d65-95b2-552cffc6a9f3","listingId":"669ba744-9d0f-415c-80f6-caef1f7e63e4","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/92","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:14.068Z"}],"sources":[{"listingId":"669ba744-9d0f-415c-80f6-caef1f7e63e4","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/92","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:14.068Z","lastSeenAt":"2026-04-27T03:32:53.123Z"}],"details":{"listingId":"669ba744-9d0f-415c-80f6-caef1f7e63e4","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/92 \\\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":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/92"},{"claim":"The provider advertises $0.02 per request across all APIs 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/92"}],"useCases":["Retrieving audit log entries via a single micropayment without needing an API key or subscription","Programmatic access to audit data from AI agents that can settle x402 payments on Base","Integrating pay-per-use audit trail lookups into compliance or monitoring workflows"],"bestFor":["Agents or applications that can settle x402 payments on Base in USDC","Users who want keyless, pay-per-request access to audit data","Low-volume or sporadic audit log retrieval without subscription commitments"],"notFor":["High-volume audit log consumers who need bulk export or streaming","Users who need detailed API documentation or response schema guarantees before integrating","Anyone unable to transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:27.977Z"},"updatedAt":"2026-04-27T03:32:53.123Z"}}