{"id":"6393f016-0f54-4e52-bb68-5f657ec50677","shortId":"JUT65s","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/20/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 charges up to 0.02 USDC per request (maxAmountRequired of 20,000 base units with USDC's 6 decimals). Payment is settled on-chain via the x402 \"exact\" scheme to a designated wallet address. 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 substantive content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the account statements endpoint actually returns. The endpoint is confirmed live (returns a valid 402 challenge), but the lack of documentation makes it difficult to know the expected POST body or the shape of the response.","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","lowpaymentfee","USDC pay-per-call","Base network API","micropayment API"],"warnings":["No OpenAPI or schema documentation available for this endpoint","All doc/pricing/API pages render only 'Connect wallet' with no substantive content","The endpoint path includes a hardcoded account ID (20) — unclear if this is parameterizable","No request body schema or response schema is documented anywhere","The broader platform lists many endpoints but none appear to have public documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/20/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/20/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, confirming it exists and accepts payment. However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty beyond a wallet-connect prompt. The purpose of this specific endpoint (account statements for account ID 20) is unclear and 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'/request':127 '0.02':90,126 '000':97 '20':96 '402':195 '6':103 'Base network API' 'USDC pay-per-call' 'access':34 'account':4,18,36,182 'account statements API' 'account-statements' 'across':129 'actual':185 'address':120 'advertis':123 'ai/ml':65 'analyt':64 'api':61,135,151 'base':8,22,81,98 'base-network' 'behind':74 'bodi':210 'broader':49 'call':60 'chain':110 'challeng':196 'charg':87 'commit':143 'confirm':190 'connect':160 'content':166 'data':63,68 'decim':104 'descript':178 'design':118 'detail':177 'difficult':204 'doc':150 'document':145,201 'endpoint':6,20,30,85,132,184,188 'exact':114 'exampl':174 'expect':208 'extrem':147 'finance/web3':67 'financial statements endpoint' 'flat':125 'gate':3,17,73 'infer':66 'key':136 'know':206 'lack':199 'limit':139 'live':191 'lowpaymentfee' 'lowpaymentfee.com':32,51 'make':202 'maxamountrequir':94 'micropayment API' 'minimum':142 'network':82 'no-api-key' 'offer':53 'on-chain':108 'openapi':170 'page':155 'part':46 'pay':10,24,58 'pay-per-cal':57 'pay-per-request':9,23 'payment':77,105 'per':11,25,59,92 'platform':50,122 'post':40,209 'price':128,152 'probe':86 'prompt':162 'protocol':78 'provid':33 'rate':138 'readm':154 'render':157 'request':12,26,41,93 'request/response':173 'requir':144 'respons':216 'return':186,192 'schema':171 'scheme':115 'servic':71 'settl':107 'shape':213 'span':62 'spars':148 'specif':84 'statement':5,19,37,183 'substant':165 'unit':99 'usdc':14,28,91,101 'usdc-settlement' 'util':70 'valid':194 'varieti':55 'via':38,111 'wallet':119,161 'x402':2,16,76,113 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"b37e179f-1d6e-46a2-b26e-62941bf82c94","listingId":"6393f016-0f54-4e52-bb68-5f657ec50677","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/20/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":"2026-04-18T18:39:22.093Z"}],"sources":[{"listingId":"6393f016-0f54-4e52-bb68-5f657ec50677","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/20/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:22.093Z","lastSeenAt":"2026-04-29T06:33:42.083Z"}],"details":{"listingId":"6393f016-0f54-4e52-bb68-5f657ec50677","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/20/statements \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-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 402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/accounts/20/statements"},{"claim":"The platform advertises $0.02/request pricing 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/20/statements"}],"useCases":["Retrieving account statement data on a per-request payment basis","Integrating pay-per-call financial data into agent workflows","Accessing account records without traditional API key provisioning"],"bestFor":["Agents or developers who want keyless, pay-per-call access to account statements","Crypto-native workflows that can settle USDC on Base","Low-volume or sporadic access patterns where per-request pricing is preferable to subscriptions"],"notFor":["Users who need detailed API documentation or OpenAPI specs before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone unable to transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.101Z"},"updatedAt":"2026-04-29T06:33:42.083Z"}}