{"id":"4fc6c8e1-fac3-4c10-ace4-07d52eefe73d","shortId":"j6SwFH","kind":"x402","title":"Download January 2025 backup data via x402 micropayment on Base network for $0.02 per request.","tagline":"Download January 2025 backup data via x402 micropayment on Base network for $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides access to a downloadable backup file for January 2025 via the x402 payment protocol. It is part of a broader platform offering various pay-per-request APIs spanning data analytics, AI/ML inference, finance, and utility services—all priced at $0.02 per call with no API keys, rate limits, or subscriptions required.\n\nThe specific endpoint `/api/v1/backups/2025-01/download` accepts POST requests and is gated by an x402 payment challenge settled in USDC on the Base network. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02. Payment is made via the x402 \"exact\" scheme to the specified wallet address, with a timeout of 300 seconds.\n\nThe platform advertises itself as a low-fee, no-commitment API marketplace. Documentation and detailed response schemas are not available—crawled docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no further content. The actual contents of the backup file and its format (beyond the stated MIME type of application/json) are not documented.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","file-download","backup-retrieval","pay-per-request"],"categories":["storage","data"],"synonyms":["backup download","data export","January 2025 backup","x402 file access","micropayment API","USDC gated endpoint","Base chain payment"],"warnings":["No documentation available—docs, pricing, and README pages all return only 'Connect wallet' with no content","No response schema or example response provided","Purpose and contents of the 'backup' file are undocumented","No OpenAPI spec or AI plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/backups/2025-01/download","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/2025-01/download","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no response schema, no example payloads, and no explanation of what the backup file actually contains. Effectively a stub 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'0.02':13,28,76,125 '000':116 '20':115 '2025':3,18,44 '300':143 '6':121 'Base chain payment' 'January 2025 backup' 'USDC gated endpoint' 'accept':92 'access':36 'actual':185 'address':138 'advertis':147 'ai/ml':67 'amount':112 'analyt':66 'api':63,81,157 'application/json':200 'avail':166 'backup':4,19,40,189 'backup download' 'backup-retrieval' 'base':10,25,108,117 'base-network' 'beyond':194 'broader':55 'call':78 'challeng':102 'commit':156 'connect':177 'content':183,186 'crawl':167 'data':5,20,65 'data export' 'decim':122 'detail':161 'doc':168 'document':159,203 'download':1,16,39 'endpoint':32,90 'equal':124 'exact':132 'fee':153 'file':41,190 'file-download' 'financ':69 'format':193 'gate':97 'infer':68 'januari':2,17,43 'key':82 'limit':84 'low':152 'low-fe':151 'lowpaymentfee.com':34 'made':128 'marketplac':158 'maximum':111 'micropay':8,23 'micropayment API' 'mime':197 'network':11,26,109 'no-commit':154 'offer':57 'page':172 'part':52 'pay':60 'pay-per-request':59 'payment':48,101,126 'per':14,29,61,77 'platform':56,146 'post':93 'price':74,169 'prompt':179 'protocol':49 'provid':35 'rate':83 'readm':171 'request':15,30,62,94 'requir':87,113 'respons':162 'return':174 'schema':163 'scheme':133 'second':144 'servic':72 'settl':103 'span':64 'specif':89 'specifi':136 'state':196 'subscript':86 'timeout':141 'type':198 'unit':118 'usdc':105,120 'usdc-settlement' 'util':71 'various':58 'via':6,21,45,129 'wallet':137,178 'x402':7,22,47,100,131 'x402 file access' 'x402-payment'","prices":[{"id":"4cb695a2-703e-4d04-9ca4-fece6599e19c","listingId":"4fc6c8e1-fac3-4c10-ace4-07d52eefe73d","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/2025-01/download","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T19:59:16.744Z"}],"sources":[{"listingId":"4fc6c8e1-fac3-4c10-ace4-07d52eefe73d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/backups/2025-01/download","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:59:16.744Z","lastSeenAt":"2026-04-22T13:32:03.152Z"}],"details":{"listingId":"4fc6c8e1-fac3-4c10-ace4-07d52eefe73d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/backups/2025-01/download \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/backups/2025-01/download"},{"claim":"Platform advertises $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/backups/2025-01/download"}],"useCases":["Downloading archived backup data for January 2025","Programmatic retrieval of stored data snapshots via micropayment","Agent-driven data acquisition without API key registration"],"bestFor":["Users needing one-off backup file downloads without subscriptions","Agents that can settle x402 payments in USDC on Base","Developers wanting keyless, pay-per-use data access"],"notFor":["Users who need detailed documentation or response schema guarantees","Bulk or streaming data retrieval at high frequency","Users without USDC on Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:27.381Z"},"updatedAt":"2026-04-22T13:32:03.152Z"}}