{"id":"f01629c4-7499-4de6-9046-68870d2d2692","shortId":"2Dbce6","kind":"x402","title":"Database snapshot for June 2025, paid per-request via x402 on Base with USDC.","tagline":"Database snapshot for June 2025, paid per-request via x402 on Base with USDC.","description":"This endpoint at lowpaymentfee.com provides access to a database snapshot for June 2025 (`/api/v1/database/snapshots/2025-06`). 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 endpoint accepts POST requests and returns JSON. Payment is handled inline: callers attach an X-PAYMENT header satisfying the x402 challenge. The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. The platform advertises a flat $0.02/request price across all endpoints, with no API keys, no rate limits, and no minimum commitments.\n\nDocumentation beyond the landing page is extremely thin — the /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The actual contents and structure of the \"database snapshot\" are unknown. The endpoint is confirmed live (returns a proper 402 challenge), but without documentation it is difficult to know what data is returned or what POST body (if any) is expected.","tags":[],"capabilities":["x402-payment","usdc-base-network","database-snapshot","per-request-pricing","no-api-key","json-response"],"categories":["data","storage"],"synonyms":["database export","data snapshot","monthly snapshot","data dump","database download","June 2025 snapshot","lowpaymentfee API"],"warnings":["No OpenAPI or schema documentation available — request body and response structure are unknown","All documentation pages (/docs, /pricing, /api, /README) returned only 'Connect wallet' with no content","The nature and contents of the 'database snapshot' are not described anywhere in the crawled material","This endpoint is date-specific (2025-06); it is unclear whether it is regularly updated or a one-time resource"],"endpointUrl":"https://lowpaymentfee.com/api/v1/database/snapshots/2025-06","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/2025-06","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/response schemas, and no examples. The purpose of the 'database snapshot' is entirely opaque. Score reflects a confirmed-live endpoint with almost no usable 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'/api/v1/database/snapshots/2025-06':44 '/docs':150 '/pricing':151 '/readme':154 '/request':125 '0.02':117,124 '000':108 '20':107 '2025':5,20,43 '402':200 '6':113 'June 2025 snapshot' 'accept':79 'access':36 'across':127 'actual':182 'advertis':121 'ai/ml':55 'amount':102 'analyt':54 'api':61,132 'attach':90 'avail':180 'base':13,28,73,109 'beyond':142 'bodi':217 'broader':50 'call':105 'caller':89 'challeng':99,201 'commit':140 'confirm':195 'connect':160 'content':166,183 'data':53,211 'data dump' 'data snapshot' 'databas':1,16,39,188 'database download' 'database export' 'database-snapshot' 'decim':114 'difficult':207 'document':141,175,204 'endpoint':32,78,129,193 'equal':116 'exampl':178 'expect':221 'extrem':147 'finance/web3':57 'flat':123 'handl':87 'header':95 'infer':56 'infrastructur':59 'inlin':88 'json':84 'json-response' 'june':4,19,42 'key':133 'know':209 'land':144 'limit':136 'live':196 'lowpaymentfee API' 'lowpaymentfee.com':34 'maximum':101 'minimum':139 'monthly snapshot' 'network':74 'no-api-key' 'offer':52 'openapi':170 'page':145,155 'paid':6,21 'part':47 'payabl':63 'payload':179 'payment':85,94 'per':8,23,65,104 'per-request':7,22,64 'per-request-pricing' 'platform':51,120 'post':80,216 'price':126 'prompt':162 'proper':199 'protocol':70 'provid':35 'rate':135 'request':9,24,66,81 'request/response':173 'requir':103 'return':83,157,197,213 'satisfi':96 'schema':174 'snapshot':2,17,40,189 'spec':171 'structur':185 'thin':148 'unit':110 'unknown':191 'usd':118 'usdc':15,30,76,112 'usdc-base-network' 'use':75 'util':60 'via':10,25,67 'wallet':161 'without':203 'x':93 'x-payment':92 'x402':11,26,69,98 'x402-payment'","prices":[{"id":"7caa37e1-47d4-40ec-a55a-00dc4870fb46","listingId":"f01629c4-7499-4de6-9046-68870d2d2692","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/2025-06","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-19T06:29:36.144Z"}],"sources":[{"listingId":"f01629c4-7499-4de6-9046-68870d2d2692","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/database/snapshots/2025-06","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-19T06:29:36.144Z","lastSeenAt":"2026-04-22T05:31:56.089Z"}],"details":{"listingId":"f01629c4-7499-4de6-9046-68870d2d2692","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2025-06 \\\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/database/snapshots/2025-06"},{"claim":"The platform charges $0.02 per request across all endpoints with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/database/snapshots/2025-06"}],"useCases":["Retrieving a point-in-time database snapshot for June 2025","Programmatic data access without API key management","Agent-driven data acquisition with micropayments"],"bestFor":["Developers needing a June 2025 database snapshot with zero onboarding friction","AI agents that can pay per-request via x402 on Base","Users who prefer pay-as-you-go without subscriptions or rate limits"],"notFor":["Users who need detailed documentation or schema guarantees before purchasing","Bulk data consumers who need free or subscription-based access","Anyone requiring data from months other than June 2025 (this endpoint is date-specific)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:23.829Z"},"updatedAt":"2026-04-22T05:31:56.089Z"}}