{"id":"4d33da11-405b-464b-a19a-35dbcfc3a199","shortId":"876Ue7","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 statement data behind an x402 paywall. The specific resource `/api/v1/accounts/200/statements` accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme.\n\nThe provider's landing page advertises a broad catalog of x402-gated APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and instant access. The probed endpoint's x402 challenge shows a maxAmountRequired of 20000 base units of USDC (6 decimals), which equals $0.02 — consistent with the site's advertised pricing.\n\nDocumentation is extremely sparse: the /docs, /api, /pricing, and /README 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 usage examples. The endpoint is live (returns a valid 402 challenge), but the actual data returned after payment and the expected POST body are unknown from available materials.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","account-statements","json-response","per-request-pricing","no-api-key"],"categories":["finance","data"],"synonyms":["account statements API","financial statements endpoint","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee","pay-per-call API"],"warnings":["No OpenAPI or schema documentation available — request body and response format are unknown.","All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no content.","The specific data returned by /api/v1/accounts/200/statements is unclear — 'account 200' may be a demo or placeholder.","The provider lists many endpoints on the landing page but none have documented schemas or examples."],"endpointUrl":"https://lowpaymentfee.com/api/v1/accounts/200/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/200/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 documentation of request body or response schema, and the docs pages are empty. The purpose of the specific '/accounts/200/statements' resource is only inferable from the URL 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'/api/v1/accounts/200/statements':46 '/docs':160 '/pricing':162 '/readme':164 '0.02':115,147 '0x8335':63 '20000':138 '2913':64 '402':198 '6':143 'Base network API' 'USDC micropayment API' 'accept':47 'access':34,127 'account':4,18,36 'account statements API' 'account-statements' 'actual':202 'advertis':75,153 'ai/ml':87 'analysi':89 'analyt':86 'api':83,120 'avail':215 'base':8,22,58,139 'base-network' 'behind':39 'bodi':211 'broad':77 'catalog':78 'challeng':133,199 'classif':91 'connect':170 'consist':148 'contract':62 'convers':108 'data':38,85,203 'decim':144 'detail':177 'document':155,186 'embed':92 'endpoint':6,20,30,111,130,192 'equal':146 'estim':102 'exact':68 'exampl':190 'exchang':97 'expect':209 'extrem':157 'feed':96 'financ':93 'financial statements endpoint' 'gas':101 'gate':3,17,82 'generat':109 'geocod':106 'infrastructur':104 'instant':126 'json':52 'json-response' 'key':121 'land':73 'limit':124 'list':113 'live':194 'lowpaymentfee' 'lowpaymentfee.com':32 'materi':216 'maxamountrequir':136 'network':59 'no-api-key' 'openapi':181 'page':74,165 'paid':9,23 'pay-per-call API' 'payment':53,206 'paywal':42 'per':11,25,116 'per-request':10,24 'per-request-pricing' 'post':48,210 'price':95,154 'probe':129 'prompt':172 'provid':33,71 'quot':100 'rate':98,123 'render':167 'request':12,26,49,117 'request/response':184 'resourc':45 'return':51,195,204 'schema':185 'scheme':69 'sentiment':88 'settl':55 'show':134 'site':151 'span':84 'spars':158 'spec':182 'specif':44 'statement':5,19,37 'summar':90 'technic':176 'token':99 'unit':140 'unknown':213 'usag':189 'usdc':14,28,61,142 'usdc-settlement' 'use':60 'util':105 'valid':107,197 'via':65 'wallet':171 'web3':94 'x402':2,16,41,67,81,132 'x402 paid API' 'x402-gated':1,15,80 'x402-payment'","prices":[{"id":"10c4095a-e46f-4d5f-acb7-8a235be8f7e2","listingId":"4d33da11-405b-464b-a19a-35dbcfc3a199","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/200/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":"2026-04-18T18:41:46.403Z"}],"sources":[{"listingId":"4d33da11-405b-464b-a19a-35dbcfc3a199","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/accounts/200/statements","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:41:46.403Z","lastSeenAt":"2026-04-29T01:33:26.946Z"}],"details":{"listingId":"4d33da11-405b-464b-a19a-35dbcfc3a199","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/accounts/200/statements\n# Returns 402 with x402 payment challenge.\n# Include X-PAYMENT header with a valid x402 payment proof to receive data.","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 USDC base units on Base network","source_url":"https://lowpaymentfee.com/api/v1/accounts/200/statements"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/accounts/200/statements"},{"claim":"Documentation pages render only a 'Connect wallet' prompt with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving account statement data via a single micropayment per request","Programmatic access to financial account records without API key management","Agent-driven workflows that need on-demand account data with crypto settlement"],"bestFor":["Agents or services that can settle USDC payments on Base","Use cases requiring keyless, pay-per-call access to account data","Developers exploring x402 protocol integrations"],"notFor":["Users needing detailed API documentation or request/response schemas before integrating","High-volume consumers who need bulk pricing or subscription plans","Anyone unable to transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:32.21Z"},"updatedAt":"2026-04-29T01:33:26.946Z"}}