{"id":"2cc153fc-cbef-4119-bc74-31f0265f8610","shortId":"SRDAbW","kind":"x402","title":"Download 2025-08 backup data via x402 micropayment on Base (USDC).","tagline":"Download 2025-08 backup data via x402 micropayment on Base (USDC).","description":"This endpoint at lowpaymentfee.com provides access to a downloadable backup file for August 2025 via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of pay-per-request APIs spanning data analytics, AI/ML inference, finance, and infrastructure utilities — all gated behind x402 micropayments settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/backups/2025-08/download` accepts POST requests and costs $0.02 per call (20,000 base units of USDC with 6 decimals). Payment is made via the x402 `X-PAYMENT` header using the \"exact\" scheme. The response MIME type is `application/json`. No API keys or rate limits are advertised; access is granted purely through per-request payment. The payment timeout is 300 seconds.\n\nThe broader lowpaymentfee.com platform lists endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02/request price point. However, documentation beyond the landing page is extremely sparse (docs, pricing, and API pages all render only a \"Connect wallet\" prompt), so the actual content and schema of responses for this backup download endpoint are unknown.","tags":[],"capabilities":["x402-payment","usdc-base","backup-download","pay-per-request","no-api-key"],"categories":["storage","data"],"synonyms":["backup download","data export","file download","x402 api","micropayment api","lowpaymentfee","base usdc payment"],"warnings":["No documentation available — docs, pricing, and API pages all show only 'Connect wallet'","No request body schema or response schema provided; actual response content is unknown","The purpose and contents of the 'backups/2025-08' resource are not described anywhere","This endpoint is not listed on the landing page's available APIs section, raising questions about its provenance"],"endpointUrl":"https://lowpaymentfee.com/api/v1/backups/2025-08/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/2025-08/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 captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, and no examples. The docs, pricing, and API pages all render only 'Connect wallet' with no useful content. The purpose of a 'backup download' endpoint is vague without further 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'/api/v1/backups/2025-08/download':87 '/request':184 '0.02':93,183 '000':97 '20':96 '2025':2,13,36 '300':146 '6':103 'accept':88 'access':28,133 'actual':210 'advertis':132 'ai/ml':66 'analysi':161 'analyt':65 'api':62,126,199 'application/json':124 'august':35 'backup':4,15,32,218 'backup download' 'backup-download' 'base':10,21,82,98 'base usdc payment' 'behind':74 'beyond':189 'broader':149 'call':95 'classif':164 'connect':205 'content':211 'convers':176 'cost':92 'data':5,16,64,157 'data export' 'decim':104 'doc':196 'document':188 'download':1,12,31,219 'embed':165 'endpoint':24,47,86,153,220 'estim':173 'exact':117 'exchang':168 'export':158 'extrem':194 'feed':167 'file':33 'file download' 'financ':68 'gas':172 'gate':73 'generat':178 'geocod':174 'grant':135 'header':114 'host':54 'howev':187 'infer':67 'infrastructur':70 'insight':159 'key':127 'land':191 'limit':130 'list':152 'lowpaymentfee' 'lowpaymentfee.com':26,51,150 'made':107 'mani':46 'metric':155 'micropay':8,19,76 'micropayment api' 'mime':121 'network':83 'no-api-key' 'offer':48 'one':44 'page':192,200 'pay':59 'pay-per-request':58 'payment':40,105,113,141,143 'per':60,94,139 'per-request':138 'platform':52,151 'point':186 'post':89 'price':166,185,197 'prompt':207 'protocol':41 'provid':27 'pure':136 'quot':171 'rate':129,169 'render':202 'report':156 'request':61,90,140 'respons':120,215 'schema':213 'scheme':118 'second':147 'sentiment':160 'settl':77 'span':63 'spars':195 'specif':85 'summar':163 'text':162 'timeout':144 'token':170 'type':122 'unit':99 'unknown':222 'usdc':11,22,79,101 'usdc-base' 'use':115 'util':71 'valid':175 'varieti':56 'via':6,17,37,108 'wallet':206 'x':112 'x-payment':111 'x402':7,18,39,75,110 'x402 api' 'x402-payment'","prices":[{"id":"c21baa75-75d3-4f69-bc94-3f37cac4f57a","listingId":"2cc153fc-cbef-4119-bc74-31f0265f8610","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/2025-08/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":"2026-04-18T19:59:13.099Z"}],"sources":[{"listingId":"2cc153fc-cbef-4119-bc74-31f0265f8610","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/backups/2025-08/download","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T19:59:13.099Z","lastSeenAt":"2026-04-22T13:32:03.005Z"}],"details":{"listingId":"2cc153fc-cbef-4119-bc74-31f0265f8610","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/backups/2025-08/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":"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/2025-08/download"},{"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":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/backups/2025-08/download"},{"claim":"Docs, pricing, and API pages render only 'Connect wallet' with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Downloading a backup archive for August 2025 data","Programmatic retrieval of periodic backup snapshots","Agent-driven data backup acquisition via micropayment"],"bestFor":["Agents needing on-demand backup file retrieval without API key registration","Automated workflows that pay per download via crypto micropayments","Users who want instant access without subscription commitments"],"notFor":["Users who need detailed documentation or response schema before purchasing","Bulk backup retrieval where per-request fees would accumulate significantly","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:27.518Z"},"updatedAt":"2026-04-22T13:32:03.005Z"}}