{"id":"9b5971b9-5886-4ab5-83cc-b1ac65a5e1af","shortId":"AMkXhy","kind":"x402","title":"x402-gated employee data endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated employee data endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com serves employee data behind an x402 payment wall. The specific resource `/api/v1/employees/152` returns JSON data for employee record #152 when a valid X-PAYMENT header is provided. Payment is settled on the Base network using USDC (contract 0x8335…2913) at a cost of $0.02 per request (20,000 base units with 6 decimals).\n\nThe broader lowpaymentfee.com platform advertises a catalog of pay-per-call APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no commitments required — just an x402-compatible payment header.\n\nThe specific `/api/v1/employees/152` endpoint is not listed on the provider's landing page among the advertised API categories. It appears to be an additional or unlisted resource. Documentation pages (/docs, /pricing, /README) returned only a \"Connect wallet\" prompt with no substantive content, so the exact schema of the employee response and the full set of input parameters are unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-request","json-api","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 employee endpoint","pay-per-call data API","Base USDC API","lowpaymentfee"],"warnings":["The /api/v1/employees/152 endpoint is not listed among the provider's advertised APIs — it may be a test or unlisted resource.","All documentation pages (/docs, /pricing, /README) returned only 'Connect wallet' with no actual content.","No response schema or example data is available; the structure of the employee record is unknown.","No OpenAPI spec or machine-readable schema was found."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/152","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/employees/152","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 OpenAPI schema, no example request/response, and the employee endpoint is not even listed on the provider's own landing page. Docs pages are empty 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'/docs':182 '/pricing':183 '/readme':184 '0.02':77,132 '000':81 '0x8335':71 '152':51 '20':80 '2913':72 '6':85 'Base USDC API' 'addit':176 'advertis':91,168 'ai/ml':103 'among':166 'analysi':106 'analyt':102 'api':99,137,169 'appear':172 'base':8,22,66,82 'behind':36 'broader':88 'call':98 'catalog':93 'categori':170 'classif':108 'commit':144 'compat':150 'connect':188 'content':194 'contract':70 'convers':125 'cost':75 'data':5,19,35,47,101 'decim':86 'document':180 'embed':109 'employe':4,18,34,49,201 'employee API' 'employee record lookup' 'employee-data' 'endpoint':6,20,30,128,156 'estim':119 'exact':197 'exchang':114 'feed':113 'financ':110 'full':205 'gas':118 'gate':3,17 'generat':126 'geocod':123 'header':58,152 'infer':104 'infrastructur':121 'input':208 'json':46 'json-api' 'key':138 'land':164 'limit':141 'list':130,159 'lowpaymentfee' 'lowpaymentfee.com':32,89 'network':67 'no-api-key' 'page':165,181 'paramet':209 'pay':10,24,96 'pay-per-cal':95 'pay-per-call data API' 'pay-per-request':9,23 'payment':39,57,61,151 'per':11,25,78,97,133 'platform':90 'price':112 'prompt':190 'provid':60,162 'quot':117 'rate':115,140 'record':50 'request':12,26,79,134 'requir':145 'resourc':43,179 'respons':202 'return':45,185 'schema':198 'sentiment':105 'serv':33 'set':206 'settl':63 'span':100 'specif':42,154 'substant':193 'summar':107 'token':116 'unit':83 'unknown':211 'unlist':178 'usdc':14,28,69 'usdc-base' 'use':68 'util':122 'valid':54,124 'wall':40 'wallet':189 'web3':111 'x':56 'x-payment':55 'x402':2,16,38,149 'x402 employee endpoint' 'x402-compatible':148 'x402-gated':1,15 'x402-payment'","prices":[{"id":"b000deed-6429-4d57-a264-b72ac4c810bd","listingId":"9b5971b9-5886-4ab5-83cc-b1ac65a5e1af","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/employees/152","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.704Z"}],"sources":[{"listingId":"9b5971b9-5886-4ab5-83cc-b1ac65a5e1af","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/152","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.704Z","lastSeenAt":"2026-04-25T01:33:25.186Z"}],"details":{"listingId":"9b5971b9-5886-4ab5-83cc-b1ac65a5e1af","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/152 \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\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 x402 challenge returns maxAmountRequired of 20000 in USDC (6 decimals) on Base, equaling $0.02 per request.","source_url":"https://lowpaymentfee.com/api/v1/employees/152"},{"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 contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/employees/152"},{"claim":"Documentation pages (/docs, /pricing, /README) returned only 'Connect wallet' with no substantive content.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee records on-demand with per-call USDC payment","Integrating employee data into agent workflows without API key management","Programmatic access to structured employee information via x402 protocol"],"bestFor":["Agents or services that need on-demand employee data with crypto micropayments","Developers experimenting with x402 payment protocol on Base","Use cases requiring keyless, pay-as-you-go API access"],"notFor":["Bulk employee data exports requiring thousands of records at low latency","Users without USDC on the Base network","Applications needing well-documented, schema-validated endpoints"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.53Z"},"updatedAt":"2026-04-25T01:33:25.186Z"}}