{"id":"42cc1115-ae53-4915-95b1-cbca016e853d","shortId":"QLhpRH","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 39) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-request API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all settled on the Base network using USDC.\n\nThe specific resource `/api/v1/audit/logs/39` is labeled \"Premium API Access\" and accepts POST requests. Payment is handled inline via the x402 protocol: callers attach an X-PAYMENT header with a signed USDC payment on Base. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The payment is sent to address `0x1A2B...85F3` and the endpoint returns JSON.\n\nThe platform advertises a simple pricing model: $0.02 per request across all endpoints, with no API keys, no rate limits, no minimums, and instant access. Documentation pages exist at `/docs`, `/pricing`, and `/api` but currently render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed documentation available for this or any other endpoint on the platform. The actual data returned by the audit logs endpoint is unknown — the description \"Premium API Access\" is generic and does not clarify what audit information is provided.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","audit-logs","pay-per-request","json-response"],"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 documentation available — all doc/pricing/API pages render only 'Connect wallet' with no content","No request or response schema provided; the actual data returned by this endpoint is unknown","The endpoint path '/api/v1/audit/logs/39' with description 'Premium API Access' is generic and does not clarify what audit information is served","This endpoint is not listed on the provider's homepage among their advertised APIs"],"endpointUrl":"https://lowpaymentfee.com/api/v1/audit/logs/39","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/39","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, no meaningful documentation (all doc pages show only 'Connect wallet'), and the endpoint's purpose ('audit logs') is vague with no detail on what data is returned. This is effectively a stub 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'/api/v1/audit/logs/39':87 '/docs':179 '/pricing':180 '/request':13,28 '0.02':12,27,134,157 '000':125 '0x1a2b':143 '20':124 '39':44 '6':130 '85f3':144 'Base network API' 'USDC micropayment API' 'accept':94 'access':7,22,36,92,174,232 'across':160 'actual':218 'address':142 'advertis':152 'ai/ml':69 'amount':121 'analyt':68 'api':64,91,165,231 'attach':106 'audit':5,20,38,223,240 'audit log API' 'audit-logs' 'avail':207 'base':9,24,80,118,126 'base-network' 'broader':55 'call':4,19 'caller':105 'clarifi':238 'connect':188 'content':194 'current':184 'data':40,67,72,219 'decim':131 'descript':229 'detail':205 'document':175,206 'dozen':58 'endpoint':32,65,147,162,213,225 'equal':133 'exampl':202 'exist':177 'finance/web3':71 'generic':234 'handl':99 'header':111 'id':43 'infer':70 'inform':241 'infrastructur':74 'inlin':100 'instant':173 'json':149 'json-response' 'key':166 'label':89 'limit':169 'log':6,21,39,42,224 'lowpaymentfee' 'lowpaymentfee.com':34 'maximum':120 'minimum':171 'model':156 'network':81 'offer':57 'openapi':198 'page':176 'part':52 'pay':2,17,61 'pay-per-cal':1,16 'pay-per-call API' 'pay-per-request':60 'payment':48,97,110,116,138 'per':3,18,62,135,158 'platform':56,151,216 'post':95 'premium':90,230 'premium API access' 'price':155 'prompt':190 'protocol':49,104 'provid':35,243 'rate':168 'render':185 'request':63,96,136,159 'request/response':201 'requir':122 'resourc':86 'return':148,220 'schema':199 'sent':140 'settl':77 'sign':114 'simpl':154 'span':66 'specif':41,85 'substant':193 'unit':127 'unknown':227 'usdc':15,30,83,115,129 'usdc-settlement' 'use':82 'util':75 'via':10,25,45,101 'wallet':189 'x':109 'x-payment':108 'x402':11,26,47,103 'x402 API' 'x402-payment'","prices":[{"id":"794ebbf6-6a32-4df9-b5c3-4fcda218b25e","listingId":"42cc1115-ae53-4915-95b1-cbca016e853d","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/39","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:43:01.404Z"}],"sources":[{"listingId":"42cc1115-ae53-4915-95b1-cbca016e853d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/audit/logs/39","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:43:01.404Z","lastSeenAt":"2026-04-27T06:33:42.438Z"}],"details":{"listingId":"42cc1115-ae53-4915-95b1-cbca016e853d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/audit/logs/39 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/39"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, no minimums","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/audit/logs/39"},{"claim":"Documentation pages at /docs, /pricing, /api render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving audit log records via a single micropayment without API key registration","Programmatic access to audit data from agents that can settle x402 payments on Base","Exploring x402 protocol integration with a low-cost test endpoint"],"bestFor":["Developers experimenting with x402 payment protocol integration","Agents needing keyless, pay-per-call API access on Base","Low-volume audit log retrieval without subscription commitments"],"notFor":["Users needing detailed documentation or response schema guarantees before integrating","High-volume audit log consumers who need bulk pricing or streaming access","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:28.609Z"},"updatedAt":"2026-04-27T06:33:42.438Z"}}