{"id":"9fca0621-eb8a-44aa-8bf9-14fdc507826b","shortId":"Zq2Pb4","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/151/statements`. It is part of a broader platform (lowpaymentfee.com) that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, 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 of up to 20,000 base units of USDC (contract `0x8335…2913` on Base). Since USDC uses 6 decimals, this translates to $0.02 per request, consistent with the site's advertised flat pricing of $0.02/request across all endpoints. Payment is settled on-chain to address `0x1A2B…85F3` using the x402 \"exact\" scheme 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 spec, no request/response schema documentation, and no usage examples available from the crawl. The endpoint path suggests it returns financial statement data for a specific account (ID 151), but the exact request body format and response structure are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","account-statements","pay-per-request","no-api-key"],"categories":["finance","data"],"synonyms":["account statements API","financial statements endpoint","x402 API","USDC micropayment API","lowpaymentfee","pay-per-call finance API","Base network API"],"warnings":["No OpenAPI or schema documentation available — request body format and response structure are completely unknown.","All documentation pages (/docs, /api, /pricing, /README) return only a 'Connect wallet' prompt with no content.","The endpoint path references a hardcoded account ID (151); it is unclear whether this is a demo, a specific user resource, or parameterizable.","The broader platform lists many API categories but none have documented schemas or examples."],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/151/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/151/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 challenge with clear pricing, but there is no OpenAPI spec, no request/response schema, and all documentation pages are empty stubs. The purpose of this specific endpoint (account 151 statements) is unclear and undocumented, making integration highly 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'/api/v1/accounts/151/statements':43 '/docs':170 '/pricing':172 '/readme':174 '/request':128 '0.02':115,127 '000':97 '0x1a2b':140 '0x8335':103 '151':218 '20':96 '2913':104 '300':149 '402':89 '6':110 '85f3':141 'Base network API' 'USDC micropayment API' 'access':34,163 'account':4,18,36,216 'account statements API' 'account-statements' 'across':129 'address':139 'advertis':123,154 'ai/ml':65 'analyt':64 'api':61,156 'avail':200 'base':8,22,81,98,106 'base-network' 'behind':74 'bodi':223 'broader':49 'call':60 'chain':137 'challeng':90 'connect':180 'consist':118 'content':186 'contract':102 'crawl':203 'data':63,68,212 'decim':111 'document':165,195 'endpoint':6,20,30,85,131,205 'exact':145,221 'exampl':199 'extrem':167 'finance/web3':67 'financi':210 'financial statements endpoint' 'flat':124 'format':224 'gate':3,17,73 'howev':164 'id':217 'infer':66 'instant':162 'key':157 'limit':160 'lowpaymentfee' 'lowpaymentfee.com':32,51 'network':82 'no-api-key' 'offer':53 'on-chain':135 'openapi':190 'page':175 'part':46 'path':206 'pay':10,24,58 'pay-per-cal':57 'pay-per-call finance API' 'pay-per-request':9,23 'payment':77,92,132 'per':11,25,59,116 'platform':50,153 'post':40 'price':125 'probe':86 'prompt':182 'protocol':78 'provid':33 'rate':159 'render':177 'request':12,26,41,91,117,222 'request/response':193 'respons':226 'return':87,209 'schema':194 'scheme':146 'second':150 'servic':71 'settl':134 'sinc':107 'site':121 'span':62 'spec':191 'specif':84,215 'statement':5,19,37,211 'structur':227 'substant':185 'suggest':207 'thin':168 'timeout':151 'translat':113 'unit':99 'unknown':229 'usag':198 'usdc':14,28,101,108 'usdc-settlement' 'use':109,142 'util':70 'varieti':55 'via':38 'wallet':181 'x402':2,16,76,144 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"37a825c0-0655-4380-9aed-a5ea10ada93f","listingId":"9fca0621-eb8a-44aa-8bf9-14fdc507826b","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/151/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":"2026-04-18T18:41:10.295Z"}],"sources":[{"listingId":"9fca0621-eb8a-44aa-8bf9-14fdc507826b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/151/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:41:10.295Z","lastSeenAt":"2026-04-29T03:04:50.986Z"}],"details":{"listingId":"9fca0621-eb8a-44aa-8bf9-14fdc507826b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/151/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 of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/accounts/151/statements"},{"claim":"USDC contract address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/accounts/151/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":"Documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving account statement data on a per-request payment basis","Programmatic access to financial account records without API key management","Agent-driven financial data retrieval using on-chain USDC micropayments"],"bestFor":["Developers or agents needing one-off account statement lookups without subscription commitments","x402-compatible agents that can settle USDC payments on Base","Use cases where keyless, pay-per-call access to financial data is preferred"],"notFor":["Users needing detailed API documentation or schema guarantees before integration","High-volume batch retrieval where per-request pricing would be costly","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:33.996Z"},"updatedAt":"2026-04-29T03:04:50.986Z"}}