{"id":"d5dd5e0e-4d00-4853-82c9-a5cc5bf3d2e5","shortId":"2zR5mY","kind":"x402","title":"x402-gated account statements endpoint on Base, paid per-request in USDC.","tagline":"x402-gated account statements endpoint on Base, paid per-request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to account statements via a POST request to `/api/v1/accounts/48/statements`. It is part of a broader platform (lowpaymentfee.com) that offers a variety of x402-protocol pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities.\n\nThe specific endpoint probed here is described as \"Premium API Access\" and returns an x402 challenge requesting payment of up to 20,000 base units of USDC (0x8335…2913 on Base network), which equals $0.02 per request (USDC uses 6 decimals). Payment is settled on the Base L2 network using the \"exact\" scheme. The platform advertises a flat $0.02/request pricing across all its endpoints, with no API keys, no rate limits, and no minimum commitments required.\n\nDocumentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (402 challenge returned successfully), but without documentation it is unclear what request body the POST expects or what the response payload looks like. The endpoint path suggests it returns financial account statement data for account ID 48, but this is purely inferred from the URL structure.","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 paid API","USDC micropayment API","Base network API","pay-per-call statements"],"warnings":["No API documentation available — /docs, /api, /pricing, and /README pages all render only a wallet connect prompt","No OpenAPI or schema definition found for this endpoint","Request body format and response payload structure are completely unknown","The endpoint path references a specific account ID (48), which may indicate a demo or placeholder rather than a general-purpose API","The platform lists many diverse API categories (AI, finance, utilities) all at $0.02 — unclear if all are fully functional"],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/48/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/48/statements","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 challenge, but documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI spec, no request/response schema, no examples, and the endpoint's actual functionality is only inferred from its URL path. The platform description is generic ('Premium API Access') and provides no specifics about what data is 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'/api/v1/accounts/48/statements':43 '/docs':157 '/pricing':159 '/readme':161 '/request':134 '0.02':109,133 '000':97 '0x8335':102 '20':96 '2913':103 '402':194 '48':230 '6':114 'Base network API' 'USDC micropayment API' 'access':34,85 'account':4,18,36,224,228 'account statements API' 'account-statements' 'across':136 'advertis':130 'ai/ml':68 'analyt':67 'api':64,84,142 'avail':188 'base':8,22,98,105,121 'base-network' 'bodi':206 'broader':49 'call':63 'challeng':90,195 'commit':150 'confirm':192 'connect':167 'content':174 'data':66,71,226 'decim':115 'describ':81 'document':152,183,200 'endpoint':6,20,30,77,139,190,218 'equal':108 'exact':126 'exampl':186 'expect':209 'extrem':154 'finance/web3':70 'financi':223 'financial statements endpoint' 'flat':132 'gate':3,17 'id':229 'infer':69,235 'infrastructur':73 'key':143 'l2':122 'like':216 'limit':146 'live':193 'look':215 'lowpaymentfee.com':32,51 'minimum':149 'network':106,123 'no-api-key' 'offer':53 'openapi':178 'page':162 'paid':9,23 'part':46 'path':219 'pay':61 'pay-per-cal':60 'pay-per-call statements' 'pay-per-request' 'payload':187,214 'payment':92,116 'per':11,25,62,110 'per-request':10,24 'platform':50,129 'post':40,208 'premium':83 'price':135 'probe':78 'prompt':169 'protocol':59 'provid':33 'pure':234 'rate':145 'render':164 'request':12,26,41,91,111,205 'request/response':181 'requir':151 'respons':213 'return':87,196,222 'schema':182 'scheme':127 'settl':118 'span':65 'spars':155 'spec':179 'specif':76 'statement':5,19,37,225 'structur':239 'success':197 'suggest':220 'technic':173 'unclear':203 'unit':99 'url':238 'usdc':14,28,101,112 'usdc-settlement' 'use':113,124 'util':74 'varieti':55 'via':38 'wallet':168 'without':199 'x402':2,16,58,89 'x402 paid API' 'x402-gated':1,15 'x402-payment' 'x402-protocol':57","prices":[{"id":"f73253b7-c0d2-4e64-ab27-3d1ce67d9570","listingId":"d5dd5e0e-4d00-4853-82c9-a5cc5bf3d2e5","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/48/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":"2026-04-18T18:39:45.621Z"}],"sources":[{"listingId":"d5dd5e0e-4d00-4853-82c9-a5cc5bf3d2e5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/48/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:45.621Z","lastSeenAt":"2026-04-29T05:33:53.313Z"}],"details":{"listingId":"d5dd5e0e-4d00-4853-82c9-a5cc5bf3d2e5","quickStartSnippet":"# The endpoint requires an x402 payment header (USDC on Base, $0.02/call)\ncurl -X POST https://lowpaymentfee.com/api/v1/accounts/48/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 requesting up to 20,000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/accounts/48/statements"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/accounts/48/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) show only 'Connect wallet' with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving account statement data via a single paid API call","Programmatic access to financial account records without subscription","Agent-driven financial data retrieval with per-request USDC payment"],"bestFor":["Agents needing on-demand account statement data without API key management","Developers wanting pay-per-use financial data access on Base","Crypto-native applications that can settle USDC payments on Base L2"],"notFor":["Users who need detailed API documentation or request/response schemas before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Applications that cannot settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:38.102Z"},"updatedAt":"2026-04-29T05:33:53.313Z"}}