{"id":"8cee6ab6-967a-40d9-b420-b7f72ba3a52a","shortId":"6KStyC","kind":"x402","title":"x402-gated backup/data endpoint on Base, paying $0.02 per request in USDC.","tagline":"x402-gated backup/data endpoint on Base, paying $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides a \"Premium API Access\" resource at the path `/api/v1/backups/2026-10`. It is part of a broader platform offering numerous x402-payable API endpoints across categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform are priced at $0.02 per request, settled in USDC on the Base network via the x402 protocol.\n\nThe specific `/api/v1/backups/2026-10` endpoint appears to serve backup data for the period 2026-10, though the exact response payload and schema are not documented. The x402 challenge confirms the endpoint is live, accepting POST requests with an exact payment scheme. The max amount required is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is directed to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.\n\nThe platform advertises no API keys, no rate limits, and instant access. However, documentation pages (/docs, /pricing, /api, /README) all returned only a \"Connect wallet\" prompt with no substantive content, so the actual behavior, input parameters, and response format of this specific endpoint remain undocumented.","tags":[],"capabilities":["x402-payment","usdc-base","per-request-billing","backup-data","post-endpoint","no-api-key"],"categories":["storage","data"],"synonyms":["backup API","data backup endpoint","x402 backup","USDC pay-per-call","lowpaymentfee API","Base network API","premium data access"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all return only a 'Connect wallet' prompt with no content","The specific purpose and response format of /api/v1/backups/2026-10 is undocumented; 'backups/2026-10' suggests a future date which is unusual","No OpenAPI spec, no output schema, and no example responses are provided","The endpoint path references a future date (2026-10) which may indicate placeholder or test data"],"endpointUrl":"https://lowpaymentfee.com/api/v1/backups/2026-10","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/backups/2026-10","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no documentation for this specific endpoint — no input schema, no response schema, no examples. All doc pages returned only 'Connect wallet' with no content. The purpose of '/api/v1/backups/2026-10' is unclear beyond the generic 'Premium API Access' 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'/api':181 '/api/v1/backups/2026-10':40,92 '/docs':179 '/pricing':180 '/readme':182 '0.02':9,22,76,147 '000':136 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':158 '0x8335':141 '20':135 '2026':102 '2913':142 '300':161 '6':151 'Base network API' 'USDC pay-per-call' 'accept':122 'access':35,175 'across':55 'actual':196 'address':157 'advertis':166 'ai':60 'amount':132 'analyt':59 'api':34,53,168 'appear':94 'backup':97 'backup API' 'backup-data' 'backup/data':4,17 'base':7,20,84,137,144 'behavior':197 'broader':46 'categori':56 'challeng':116 'confirm':117 'connect':187 'content':193 'data':58,98 'data backup endpoint' 'decim':152 'direct':155 'document':113,177 'endpoint':5,18,28,54,69,93,119,206 'equal':146 'exact':106,127 'financ':63 'format':202 'gate':3,16 'given':148 'howev':176 'includ':57 'infrastructur':66 'input':198 'instant':174 'key':169 'learn':62 'limit':172 'live':121 'lowpaymentfee API' 'lowpaymentfee.com':30 'machin':61 'max':131 'network':85 'no-api-key' 'numer':49 'offer':48 'page':178 'paramet':199 'part':43 'path':39 'pay':8,21 'payabl':52 'payload':108 'payment':128,153 'per':10,23,77 'per-request-billing' 'period':101 'platform':47,72,165 'post':123 'post-endpoint' 'premium':33 'premium data access' 'price':74 'prompt':189 'protocol':89 'provid':31 'rate':171 'remain':207 'request':11,24,78,124 'requir':133 'resourc':36 'respons':107,201 'return':184 'schema':110 'scheme':129 'second':162 'serv':96 'settl':79 'specif':91,205 'substant':192 'though':104 'timeout':163 'undocu':208 'unit':138 'usdc':13,26,81,140,149 'usdc-base' 'util':67 'via':86 'wallet':188 'web3':64 'x402':2,15,51,88,115 'x402 backup' 'x402-gated':1,14 'x402-payable':50 'x402-payment'","prices":[{"id":"1253d531-8371-465d-af9c-70602319788b","listingId":"8cee6ab6-967a-40d9-b420-b7f72ba3a52a","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/backups/2026-10","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:59:29.253Z"}],"sources":[{"listingId":"8cee6ab6-967a-40d9-b420-b7f72ba3a52a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/backups/2026-10","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:59:29.253Z","lastSeenAt":"2026-04-22T08:31:57.387Z"}],"details":{"listingId":"8cee6ab6-967a-40d9-b420-b7f72ba3a52a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/backups/2026-10 \\\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 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/backups/2026-10"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/backups/2026-10"}],"useCases":["Retrieving backup data snapshots for a specific time period (2026-10)","Agent-driven data retrieval with automatic micropayment settlement","Programmatic access to archived or periodic backup datasets"],"bestFor":["Agents or scripts that need on-demand backup data without subscription commitments","Developers wanting keyless, pay-per-request API access on Base","Automated workflows requiring x402-compatible data endpoints"],"notFor":["Users needing detailed API documentation or response schemas before purchasing","High-volume bulk data retrieval where per-request pricing adds up","Use cases requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:26.764Z"},"updatedAt":"2026-04-22T08:31:57.387Z"}}