{"id":"5705c79b-c707-4d63-9552-7c453f426a5e","shortId":"DVMfbB","kind":"x402","title":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","tagline":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to an employee record (ID 39) via a POST request, gated by the x402 payment protocol. Each call costs $0.02 in USDC on the Base network. No API keys, rate limits, or subscriptions are required — callers simply attach an x402 payment header to authorize each request.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers a variety of pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request. The specific endpoint `/api/v1/employees/39` returns JSON (MIME type application/json) and appears to serve structured employee data, though the exact response schema is not documented.\n\nThe x402 challenge confirms the endpoint is live, accepting payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` in USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The maximum amount required is 20,000 base units (i.e., $0.02 given USDC's 6 decimals). Payment timeout is 300 seconds. Documentation beyond the landing page is essentially empty (all sub-pages just show \"Connect wallet\"), so the response format must be inferred.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-call","json-response","no-api-key"],"categories":["data"],"synonyms":["employee API","staff record lookup","personnel data endpoint","x402 employee","lowpaymentfee employee","pay-per-request data API","Base USDC API"],"warnings":["No API documentation available — all doc pages return only 'Connect wallet'","Response schema for /api/v1/employees/39 is completely undocumented","The endpoint serves a single hardcoded employee ID (39); unclear if other IDs are supported","No examples of actual response payloads found in crawl material"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/39","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/39","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documented response format, and all documentation pages are empty stubs. The specific purpose of the /employees/39 endpoint is only inferable from its URL path. This is effectively a stub 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'/request':17,34 '0.02':16,33,60,120,175 '000':171 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':159 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':162 '20':170 '300':184 '39':46 '6':179 'Base USDC API' 'accept':155 'access':40 'address':158 'ai':109 'amount':167 'analyt':108 'api':7,24,68,105 'appear':133 'application/json':131 'attach':78 'author':84 'base':9,26,65,164,172 'beyond':187 'broader':93 'call':4,21,58,104 'caller':76 'challeng':149 'confirm':150 'connect':200 'cost':59 'data':6,23,107,138 'decim':180 'document':146,186 'employe':5,22,43,137 'employee API' 'employee-data' 'empti':193 'endpoint':36,88,125,152 'essenti':192 'exact':141 'financ':112 'format':205 'gate':51 'given':176 'header':82 'i.e':174 'id':45 'infer':208 'infrastructur':115 'json':128 'json-response' 'key':69 'land':189 'learn':111 'limit':71 'live':154 'lowpaymentfee employee' 'lowpaymentfee.com':38,95 'machin':110 'maximum':166 'mime':129 'must':206 'network':66 'no-api-key' 'offer':97 'page':190,197 'part':90 'pay':2,19,102 'pay-per-cal':1,18,101 'pay-per-call' 'pay-per-request data API' 'payment':55,81,156,181 'per':3,20,103,121 'personnel data endpoint' 'platform':94 'post':49 'price':118 'protocol':56 'provid':39 'rate':70 'record':44 'request':50,86,122 'requir':75,168 'respons':142,204 'return':127 'schema':143 'second':185 'serv':135 'settl':10,27 'show':199 'simpli':77 'span':106 'specif':124 'staff record lookup' 'structur':136 'sub':196 'sub-pag':195 'subscript':73 'though':139 'timeout':182 'type':130 'unit':173 'usdc':12,29,62,161,177 'usdc-base' 'util':116 'varieti':99 'via':13,30,47 'wallet':201 'web3':113 'x402':14,31,54,80,148 'x402 employee' 'x402-payment'","prices":[{"id":"12e49be4-4a2f-4112-9ca0-e0a6f80e0f9e","listingId":"5705c79b-c707-4d63-9552-7c453f426a5e","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/39","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.701Z"}],"sources":[{"listingId":"5705c79b-c707-4d63-9552-7c453f426a5e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/39","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.701Z","lastSeenAt":"2026-04-24T12:04:38.943Z"}],"details":{"listingId":"5705c79b-c707-4d63-9552-7c453f426a5e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/39 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/employees/39","method":"POST","headers":{"X-PAYMENT":"<x402_payment_token>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/39"},{"claim":"Price is $0.02 per request (maxAmountRequired 20000 base units, USDC 6 decimals)","source_url":"https://lowpaymentfee.com"},{"claim":"Platform advertises no API keys, no rate limits, 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/39"}],"useCases":["Retrieving structured employee records on demand without managing API keys","Integrating employee data into agent workflows that support x402 micropayments","Demonstrating x402 payment-gated API access patterns"],"bestFor":["Developers experimenting with x402 payment protocol integrations","Agents that need on-demand employee data with no subscription overhead","Low-volume, pay-as-you-go data retrieval on Base"],"notFor":["High-volume bulk employee data exports (no documented batch endpoint)","Users who need detailed API documentation or response schema guarantees","Production HR systems requiring SLA-backed uptime and support"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.758Z"},"updatedAt":"2026-04-24T12:04:38.943Z"}}