{"id":"62e84916-656a-47a2-842f-329d253b083c","shortId":"j7AhVh","kind":"x402","title":"x402-gated account statements endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated account statements endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com provides access to account statements via a POST request to `/api/v1/accounts/40/statements`. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated behind the x402 payment protocol on the Base network.\n\nThe specific endpoint probed returns a 402 challenge requesting payment in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base). The `maxAmountRequired` is 20,000 base units, which at 6 decimals for USDC equals $0.02 per request. This matches the site's advertised flat pricing of $0.02/request across all endpoints. Payment is made via the x402 `exact` scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, with a 300-second timeout.\n\nThe platform advertises no API keys, no rate limits, and instant access. However, documentation is extremely thin — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the account statements endpoint actually returns or what input parameters it expects. The endpoint path suggests it retrieves statements for a specific account (ID 40), but the semantics are unclear.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","account-statements","pay-per-request","no-api-key"],"categories":["finance","data"],"synonyms":["account statements API","x402 paid API","USDC micropayment API","Base network API","pay-per-call endpoint","lowpaymentfee"],"warnings":["No API documentation available — all doc pages render only 'Connect wallet' with no content","No OpenAPI or request/response schema provided for this endpoint","The endpoint path references a hardcoded account ID (40); unclear if this is parameterizable or what data it returns","No examples of successful responses exist in the crawled material"],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/40/statements","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/accounts/40/statements","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 402 challenge with clear pricing. However, there is no OpenAPI schema, no documentation of request/response formats, no examples, and the docs pages are empty. The purpose of this specific endpoint (account 40 statements) is unexplained, making it essentially a stub 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'/request':123 '0.02':110,122 '000':100 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':137 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':93 '20':99 '300':140 '40':215 '402':86 '6':105 'Base network API' 'USDC micropayment API' 'access':34,154 'account':4,18,36,192,213 'account statements API' 'account-statements' 'across':124 'actual':195 'address':136 'advertis':118,145 'ai/ml':62 'analyt':61 'api':58,147,162 'base':8,22,78,95,101 'base-network' 'behind':71 'broader':49 'call':57 'challeng':87 'connect':171 'content':177 'contract':92 'crypto':65 'data':60 'decim':106 'descript':188 'doc':161 'document':156 'dozen':52 'endpoint':6,20,30,82,126,194,204 'equal':109 'exact':133 'exampl':185 'expect':202 'extrem':158 'financ':64 'flat':119 'gate':3,17,70 'howev':155 'id':214 'infer':63 'input':199 'instant':153 'key':148 'limit':151 'lowpaymentfee' 'lowpaymentfee.com':32 'made':129 'match':114 'maxamountrequir':97 'network':79 'no-api-key' 'offer':51 'openapi':181 'page':166 'paramet':200 'part':46 'path':205 'pay':10,24,55 'pay-per-cal':54 'pay-per-call endpoint' 'pay-per-request':9,23 'payment':74,89,127 'per':11,25,56,111 'platform':50,144 'post':40 'price':120,163 'probe':83 'prompt':173 'protocol':75 'provid':33 'rate':150 'readm':165 'render':168 'request':12,26,41,88,112 'request/response':184 'retriev':208 'return':84,196 'schema':182 'scheme':134 'second':141 'semant':218 'servic':68 'site':116 'span':59 'specif':81,212 'statement':5,19,37,193,209 'substant':176 'suggest':206 'thin':159 'timeout':142 'unclear':220 'unit':102 'usdc':14,28,91,108 'usdc-settlement' 'util':67 'via':38,130 'wallet':172 'x402':2,16,73,132 'x402 paid API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"8ba72414-961a-40a7-8c1a-b02a704be98c","listingId":"62e84916-656a-47a2-842f-329d253b083c","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/accounts/40/statements","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:38.370Z"}],"sources":[{"listingId":"62e84916-656a-47a2-842f-329d253b083c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/40/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:38.370Z","lastSeenAt":"2026-04-29T05:33:53.107Z"}],"details":{"listingId":"62e84916-656a-47a2-842f-329d253b083c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/40/statements \\\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":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/accounts/40/statements"},{"claim":"USDC contract address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/accounts/40/statements"},{"claim":"Platform advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Platform offers APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving account statement data via a single paid API call","Programmatic access to financial account records without API key management","Agent-driven data retrieval with per-request USDC micropayments"],"bestFor":["Developers wanting keyless, pay-per-use API access on Base","AI agents that can settle x402 payments in USDC","Users needing account statement data without subscription commitments"],"notFor":["Users who need detailed API documentation or schema before integrating","High-volume consumers who prefer subscription-based pricing over per-call fees","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:38.37Z"},"updatedAt":"2026-04-29T05:33:53.107Z"}}