{"id":"76fc2dcc-cfec-4ca7-8b3c-e98f91891a24","shortId":"e4Az9w","kind":"x402","title":"Database snapshot for November 2025, paid per-request via x402 on Base with USDC.","tagline":"Database snapshot for November 2025, paid per-request via x402 on Base with USDC.","description":"This endpoint at lowpaymentfee.com serves a database snapshot for November 2025 (`/api/v1/database/snapshots/2025-11`). It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all payable per-request via the x402 protocol on the Base network using USDC.\n\nThe specific endpoint probed returns a 402 challenge requesting up to $0.02 per call (20,000 base units of USDC with 6 decimals = $0.02). Payment is made via an `X-PAYMENT` header using the x402 \"exact\" scheme, settling to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The response MIME type is `application/json`. The endpoint accepts POST requests and is marked as discoverable.\n\nDocumentation beyond the landing page 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, and no example payloads available. The nature of the \"database snapshot\" data (what database, what fields, what format) is not documented anywhere in the crawled material. The platform advertises no API keys, no rate limits, and instant access, but without schemas or sample responses it is difficult to know what data is actually returned.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","database-snapshot","per-request-pricing","json-response","no-api-key"],"categories":["data","storage"],"synonyms":["database export","data snapshot","monthly snapshot","database dump","data download","lowpaymentfee","x402 data API"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet'","No request or response schema provided; the contents of the 'database snapshot' are completely undocumented","No OpenAPI or ai-plugin manifest found","The specific endpoint path (/api/v1/database/snapshots/2025-11) is not listed on the provider's landing page among their advertised APIs"],"endpointUrl":"https://lowpaymentfee.com/api/v1/database/snapshots/2025-11","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/database/snapshots/2025-11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation of what the snapshot contains, and all doc pages render only 'Connect wallet'. The listing is effectively a stub with confirmed 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'/api/v1/database/snapshots/2025-11':42 '/docs':144 '/pricing':146 '/readme':148 '0.02':86,98 '000':90 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':116 '20':89 '2025':5,20,41 '402':81 '6':96 'accept':127 'access':207 'actual':222 'address':115 'advertis':198 'ai/ml':53 'analyt':52 'anywher':191 'api':59,200 'application/json':124 'avail':174 'base':13,28,71,91,118 'base-network' 'beyond':136 'broader':48 'call':88 'challeng':82 'connect':154 'crawl':194 'data':51,181,220 'data download' 'data snapshot' 'databas':1,16,37,179,183 'database dump' 'database export' 'database-snapshot' 'decim':97 'detail':161 'difficult':216 'discover':134 'document':135,190 'endpoint':32,77,126 'exact':111 'exampl':172 'extrem':141 'field':185 'finance/web3':55 'format':187 'header':107 'infer':54 'infrastructur':57 'instant':206 'json-response' 'key':201 'know':218 'land':138 'limit':204 'lowpaymentfee' 'lowpaymentfee.com':34 'made':101 'mark':132 'materi':195 'mime':121 'monthly snapshot' 'natur':176 'network':72 'no-api-key' 'novemb':4,19,40 'offer':50 'openapi':165 'page':139,149 'paid':6,21 'part':45 'payabl':61 'payload':173 'payment':99,106 'per':8,23,63,87 'per-request':7,22,62 'per-request-pricing' 'platform':49,197 'post':128 'probe':78 'prompt':156 'protocol':68 'rate':203 'render':151 'request':9,24,64,83,129 'request/response':168 'respons':120,213 'return':79,223 'sampl':212 'schema':169,210 'scheme':112 'serv':35 'settl':113 'snapshot':2,17,38,180 'spars':142 'spec':166 'specif':76 'technic':160 'type':122 'unit':92 'usdc':15,30,74,94 'usdc-settlement' 'use':73,108 'util':58 'via':10,25,65,102 'wallet':155 'without':209 'x':105 'x-payment':104 'x402':11,26,67,110 'x402 data API' 'x402-payment'","prices":[{"id":"f5ff2269-f038-4165-845b-e0e2403a2ba6","listingId":"76fc2dcc-cfec-4ca7-8b3c-e98f91891a24","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/database/snapshots/2025-11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-19T06:29:36.738Z"}],"sources":[{"listingId":"76fc2dcc-cfec-4ca7-8b3c-e98f91891a24","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/database/snapshots/2025-11","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-19T06:29:36.738Z","lastSeenAt":"2026-04-22T05:31:56.121Z"}],"details":{"listingId":"76fc2dcc-cfec-4ca7-8b3c-e98f91891a24","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2025-11 \\\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 (USD Coin) on Base network","source_url":"https://lowpaymentfee.com/api/v1/database/snapshots/2025-11"},{"claim":"The platform advertises $0.02/request pricing 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/database/snapshots/2025-11"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving a November 2025 database snapshot via a single paid API call","Programmatic access to periodic data exports without subscription or API key management","Agent-driven data acquisition using x402 micropayments on Base"],"bestFor":["Agents or scripts that need one-shot data retrieval with crypto micropayments","Users who want keyless, pay-per-use access to database snapshots","Developers building on Base who prefer USDC-settled API calls"],"notFor":["Users who need detailed documentation or schema guarantees before purchasing","High-frequency consumers who need bulk/subscription pricing","Anyone requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:23.838Z"},"updatedAt":"2026-04-22T05:31:56.121Z"}}