{"id":"8e419a97-8652-41e1-8890-d2d764887f89","shortId":"FN7Y7N","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/189/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 in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base). The `maxAmountRequired` is 20,000 base units, which at 6 decimals for USDC equals $0.02 per request. Payment is made via the x402 `exact` scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`, with a 300-second timeout. No API keys or rate limits are advertised; access is granted purely through on-chain micropayment.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all rendered only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no description of what the statements endpoint actually returns or what parameters it accepts. The endpoint is live and the x402 challenge is well-formed, but without documentation it is difficult to know what data is returned or how to structure a meaningful request body.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","account-statements","pay-per-request","no-api-key"],"categories":["finance","data"],"synonyms":["account statements API","financial statements endpoint","x402 API","micropayment API","USDC pay-per-call","lowpaymentfee"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or request/response schema provided","The endpoint path includes a hardcoded account ID (189) with no explanation of what account this refers to","Unknown request body format — no input schema documented","Cannot verify what data the endpoint actually returns"],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/189/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/189/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 ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no indication of what the statements endpoint actually returns. The specific path (/accounts/189/statements) appears to be a hardcoded account ID with no explanation. This is effectively a stub 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'0.02':113 '000':103 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':126 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':96 '20':102 '300':129 '402':89 '6':108 'USDC pay-per-call' 'accept':194 'access':34,140 'account':4,18,36 'account statements API' 'account-statements' 'actual':188 'address':125 'advertis':139 'ai/ml':65 'analyt':64 'api':61,133,156 'base':8,22,81,98,104 'base-network' 'behind':74 'bodi':226 'broader':49 'call':60 'chain':147 'challeng':90,202 'connect':165 'content':171 'contract':95 'crawl':154 'data':63,68,216 'decim':109 'descript':182 'difficult':212 'doc':155 'document':149,209 'endpoint':6,20,30,85,187,196 'equal':112 'exact':122 'extrem':151 'finance/web3':67 'financial statements endpoint' 'form':206 'gate':3,17,73 'grant':142 'infer':66 'key':134 'know':214 'limit':137 'live':198 'lowpaymentfee' 'lowpaymentfee.com':32,51 'made':118 'maxamountrequir':100 'meaning':224 'micropay':148 'micropayment API' 'network':82 'no-api-key' 'offer':53 'on-chain':145 'openapi':175 'page':160 'paramet':192 'part':46 'pay':10,24,58 'pay-per-cal':57 'pay-per-request':9,23 'payment':77,92,116 'per':11,25,59,114 'platform':50 'post':40 'price':157 'probe':86 'prompt':167 'protocol':78 'provid':33 'pure':143 'rate':136 'readm':159 'render':162 'request':12,26,41,91,115,225 'request/response':178 'return':87,189,218 'schema':179 'scheme':123 'second':130 'servic':71 'span':62 'spars':152 'spec':176 'specif':84 'statement':5,19,37,186 'structur':222 'timeout':131 'unit':105 'usdc':14,28,94,111 'usdc-micropayment' 'util':70 'varieti':55 'via':38,119 'wallet':166 'well':205 'well-form':204 'without':208 'x402':2,16,76,121,201 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"1787fb43-31b9-47e6-aa43-23875ebd42a4","listingId":"8e419a97-8652-41e1-8890-d2d764887f89","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/189/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":"2026-04-18T18:41:40.985Z"}],"sources":[{"listingId":"8e419a97-8652-41e1-8890-d2d764887f89","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/189/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:41:40.985Z","lastSeenAt":"2026-04-29T02:04:46.751Z"}],"details":{"listingId":"8e419a97-8652-41e1-8890-d2d764887f89","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/189/statements \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","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 network","source_url":"https://lowpaymentfee.com/api/v1/accounts/189/statements"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/accounts/189/statements"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","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 subscription","Agent-driven data retrieval with on-chain USDC micropayments"],"bestFor":["Developers wanting no-signup, pay-per-call access to account data","AI agents that can settle x402 payments on Base","Users who prefer crypto micropayments over API key subscriptions"],"notFor":["Users needing detailed API documentation or schema guarantees before integrating","High-volume consumers who would benefit from bulk pricing or subscriptions","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:32.494Z"},"updatedAt":"2026-04-29T02:04:46.751Z"}}