{"id":"eddc2f4b-ff56-45cb-8b49-62d74774e4cd","shortId":"jREGYQ","kind":"x402","title":"Database snapshot endpoint (2026-06) payable per-request via x402 on Base with USDC.","tagline":"Database snapshot endpoint (2026-06) payable per-request via x402 on Base with USDC.","description":"This endpoint at lowpaymentfee.com provides access to a database snapshot dated 2026-06 via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints on the platform use the same pricing model: $0.02 per request, settled in USDC on the Base network with no API keys, rate limits, or commitments required.\n\nThe specific endpoint `/api/v1/database/snapshots/2026-06` accepts POST requests and returns JSON. The x402 challenge confirms it is live, requesting a maximum of 20,000 base units of USDC (0.02 USD given USDC's 6 decimals) per call, paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on the Base network. The payment scheme is \"exact,\" meaning the full amount is charged per request.\n\nDocumentation on the platform 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 description of what the \"database snapshot\" actually contains or what fields the POST body should include. The endpoint name suggests a periodic data dump (June 2026), but the nature of the data is entirely unspecified in available materials.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","per-request-pricing","database-snapshot","json-response","post-method"],"categories":["data","storage"],"synonyms":["database export","data snapshot","data dump","premium API","x402 data endpoint","USDC API","Base network API","pay-per-request data"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition; request body format and response structure are completely unknown.","The nature of the 'database snapshot' data is unspecified — it is unclear what data is returned.","The snapshot is labeled '2026-06' which is a future date; this may be placeholder or synthetic data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/database/snapshots/2026-06","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/2026-06","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI spec, no request/response schema, and no description of what data the snapshot contains. The docs pages are empty. This is effectively a stub 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'/api/v1/database/snapshots/2026-06':113 '0.02':91,137 '000':132 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':149 '20':131 '2026':4,19,42,228 '6':142 'Base network API' 'USDC API' 'accept':114 'access':36 'actual':209 'address':148 'ai/ml':74 'amount':162 'analyt':73 'api':70,103,176 'avail':239 'base':13,28,99,133,152 'base-network' 'bodi':216 'broad':63 'call':145 'catalog':64 'challeng':122 'charg':164 'commit':108 'confirm':123 'connect':185 'contain':210 'crypto':77 'data':72,225,234 'data dump' 'data snapshot' 'databas':1,16,39,207 'database export' 'database-snapshot' 'date':41 'decim':143 'descript':203 'detail':192 'doc':175 'document':167 'dump':226 'endpoint':3,18,32,54,82,112,220 'entir':236 'exact':158 'extrem':172 'field':213 'financ':76 'full':161 'given':139 'host':61 'includ':218 'infer':75 'json':119 'json-response' 'june':227 'key':104 'limit':106 'live':126 'lowpaymentfee.com':34,58 'mani':53 'materi':240 'maximum':129 'mean':159 'model':90 'name':221 'natur':231 'network':100,153 'offer':55 'one':51 'openapi':196 'page':180 'paid':146 'pay':67 'pay-per-request':66 'pay-per-request data' 'payabl':6,21 'payment':47,155 'per':8,23,68,92,144,165 'per-request':7,22 'per-request-pricing' 'period':224 'platform':59,85,170 'post':115,215 'post-method' 'premium API' 'price':89,177 'prompt':187 'protocol':48 'provid':35 'rate':105 'readm':179 'render':182 'request':9,24,69,93,116,127,166 'request/response':199 'requir':109 'return':118 'schema':200 'scheme':156 'servic':80 'settl':94 'snapshot':2,17,40,208 'span':71 'spars':173 'spec':197 'specif':111 'suggest':222 'technic':191 'unit':134 'unspecifi':237 'usd':138 'usdc':15,30,96,136,140 'usdc-settlement' 'use':86 'util':79 'via':10,25,44 'wallet':186 'x402':11,26,46,121 'x402 data endpoint' 'x402-payment'","prices":[{"id":"bcc5a994-4146-40b3-82af-269491b5ecd0","listingId":"eddc2f4b-ff56-45cb-8b49-62d74774e4cd","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/2026-06","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-19T06:29:33.788Z"}],"sources":[{"listingId":"eddc2f4b-ff56-45cb-8b49-62d74774e4cd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/database/snapshots/2026-06","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-19T06:29:33.788Z","lastSeenAt":"2026-04-22T07:32:07.072Z"}],"details":{"listingId":"eddc2f4b-ff56-45cb-8b49-62d74774e4cd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/database/snapshots/2026-06 \\\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 requesting 20,000 base units of USDC on Base (scheme: exact)","source_url":"https://lowpaymentfee.com/api/v1/database/snapshots/2026-06"},{"claim":"All endpoints on the platform cost $0.02 per request with no API keys, rate limits, or commitments","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/database/snapshots/2026-06"},{"claim":"Docs, API, pricing, and README pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving a database snapshot for a specific time period (June 2026)","Programmatic data access without API key management","Agent-driven data purchasing via x402 micropayments"],"bestFor":["Agents or applications that need on-demand database snapshots via crypto micropayments","Developers who want keyless, pay-per-call data access on Base","Workflows requiring x402-compatible data endpoints"],"notFor":["Users who need detailed documentation or schema definitions before integrating","Applications requiring free or subscription-based access to data","Use cases needing real-time streaming data rather than point-in-time snapshots"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:23.978Z"},"updatedAt":"2026-04-22T07:32:07.072Z"}}