{"id":"50d10f2a-ea39-4339-82cf-fdd73d3a0b37","shortId":"yqFhDh","kind":"x402","title":"x402-payable account statements endpoint on Base, settling in USDC at $0.02/request.","tagline":"x402-payable account statements endpoint on Base, settling in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides account statement data behind an x402 paywall. It is part of a broader platform offering dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/accounts/55/statements` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, advertising a max amount of 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals), which equals $0.02. Payment is made via the x402 exact scheme with no API keys or rate limits required — callers simply attach an X-PAYMENT header with a valid payment proof.\n\nDocumentation is extremely sparse. The crawled docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no explanation of what \"account statements\" contain or what parameters the POST body accepts. The endpoint path includes a hardcoded account ID (55), and it is unclear whether other account IDs are supported or what data model underlies the statements resource.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","account-statements","pay-per-request","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["account statements API","financial statements endpoint","x402 API","USDC micropayment API","lowpaymentfee","pay-per-call API","Base network API"],"warnings":["No API documentation available — docs, pricing, and API pages all render only 'Connect wallet'","No request body schema or response schema documented anywhere","Endpoint path contains a hardcoded account ID (55); unclear if other IDs are valid","The purpose and data model of 'account statements' is entirely undocumented","No OpenAPI or machine-readable spec found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/55/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/55/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, no documentation beyond a wallet-connect prompt, and no explanation of what data the endpoint actually returns. The listing is effectively a 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'/request':14,28 '0.02':13,27,69,117 '000':104 '0x8335':109 '20':103 '2913':110 '55':202 '6':113 'Base network API' 'USDC micropayment API' 'accept':84,193 'account':4,18,34,184,200,209 'account statements API' 'account-statements' 'advertis':98 'ai/ml':59 'amount':101 'analyt':58 'api':55,128,156 'attach':136 'base':8,22,78,105,112 'base-network' 'behind':37 'bodi':192 'broader':46 'caller':134 'challeng':92 'confirm':93 'connect':162 'contain':186 'crawl':152 'data':36,57,62,215 'decim':114 'detail':169 'doc':153 'document':147,178 'dozen':49 'endpoint':6,20,30,82,95,195 'equal':116 'exact':124 'explan':181 'extrem':149 'finance/web3':61 'financial statements endpoint' 'hardcod':199 'header':141 'id':201,210 'includ':197 'infer':60 'infrastructur':64 'json':89 'json-response' 'key':129 'limit':132 'live':97 'lowpaymentfee' 'lowpaymentfee.com':32 'made':120 'max':100 'model':216 'network':79 'no-api-key' 'offer':48 'openapi':173 'page':157 'paramet':189 'part':43 'path':196 'pay':52 'pay-per-call API' 'pay-per-request':51 'payabl':3,17 'payment':118,140,145 'paywal':40 'per':53,70 'platform':47 'post':85,191 'price':67,154 'prompt':164 'proof':146 'provid':33 'rate':131 'render':159 'request':54,71,86 'request/response':176 'requir':133 'resourc':220 'return':88 'schema':177 'scheme':125 'settl':9,23,73 'simpli':135 'span':56 'spars':150 'spec':174 'specif':81 'statement':5,19,35,185,219 'support':212 'technic':168 'unclear':206 'under':217 'unit':106 'usdc':11,25,75,108 'usdc-settlement' 'util':65 'valid':144 'via':121 'wallet':163 'whether':207 'x':139 'x-payment':138 'x402':2,16,39,91,123 'x402 API' 'x402-payable':1,15 'x402-payment'","prices":[{"id":"f0fd3bfa-1175-42d8-8d2f-d953379fc398","listingId":"50d10f2a-ea39-4339-82cf-fdd73d3a0b37","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/55/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":"2026-04-18T18:39:50.518Z"}],"sources":[{"listingId":"50d10f2a-ea39-4339-82cf-fdd73d3a0b37","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/55/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:50.518Z","lastSeenAt":"2026-04-29T05:33:53.558Z"}],"details":{"listingId":"50d10f2a-ea39-4339-82cf-fdd73d3a0b37","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/55/statements \\\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 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/accounts/55/statements"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/accounts/55/statements"}],"useCases":["Retrieving account statement data programmatically via a single paid request","Integrating pay-per-use financial data into agent workflows without API key management","Demonstrating x402 protocol payment flows on Base network"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand account statement retrieval without subscription commitments","Low-volume, pay-as-you-go financial data access"],"notFor":["Production use cases requiring documented request/response schemas","High-volume bulk data retrieval where per-request pricing is inefficient","Users who need detailed API documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:37.819Z"},"updatedAt":"2026-04-29T05:33:53.558Z"}}