{"id":"ec881a4c-d8f9-421a-912f-a40ffdd9aa4f","shortId":"xmmVKR","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 employee data (specifically employee record #24) via a pay-per-request x402 payment model. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) at a cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or rate limits are required — callers simply attach an x402 payment header.\n\nThe provider, lowpaymentfee.com, hosts a broader suite of APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request. However, this specific listing covers only the `/api/v1/employees/24` endpoint. The exact schema of the employee record returned is not documented in the crawled material, so the response structure must be discovered by making a paid call.\n\nThe endpoint is live and returned a proper 402 challenge during probing. Documentation on the site is extremely thin — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no example requests or responses, and no description of what fields the employee object contains.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","pay-per-request","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","employee record","staff data","personnel endpoint","x402 API","pay-per-call API","USDC micropayment API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — response structure is unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content","The specific employee record (#24) suggests a demo or sample endpoint rather than a general-purpose API","No information on what fields the employee object contains or what POST body is expected"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/24","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/24","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 402 challenge, but there is no OpenAPI spec, no documented request/response schema, no example payloads, and the docs pages are empty. The purpose of the employee data endpoint is unclear beyond its URL path. Effectively a stub 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'/request':17,34 '0.02':16,33,80,126 '000':84 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':75 '20':83 '24':47 '402':173 '6':88 'USDC micropayment API' 'accept':59 'access':40 'ai/ml':117 'analyt':116 'api':7,24,91,113,187 'attach':100 'base':9,26,70,85 'base-network' 'broader':110 'call':4,21,164 'caller':98 'challeng':174 'connect':195 'contain':221 'content':201 'contract':74 'cost':78 'cover':133 'crawl':151 'data':6,23,43,115 'decim':89 'descript':214 'discov':159 'doc':185 'document':148,177 'employe':5,22,42,45,143,219 'employee API' 'employee record' 'employee-data' 'endpoint':36,58,137,166 'exact':139 'exampl':208 'extrem':182 'field':217 'finance/web3':119 'header':104 'host':108 'howev':129 'infer':118 'infrastructur':121 'json':64 'json-response' 'key':92 'limit':95 'list':132 'live':168 'lowpaymentfee' 'lowpaymentfee.com':38,107 'make':161 'materi':152 'model':56 'must':157 'network':71 'no-api-key' 'object':220 'openapi':205 'page':190 'paid':163 'pay':2,19,51 'pay-per-cal':1,18 'pay-per-call API' 'pay-per-request':50 'payment':55,65,103 'per':3,20,52,81,127 'personnel endpoint' 'post':60 'price':124,186 'probe':176 'prompt':197 'proper':172 'provid':39,106 'rate':94 'readm':189 'record':46,144 'render':192 'request':53,61,82,128,209 'requir':97 'respons':155,211 'return':63,145,170 'schema':140 'settl':10,27,67 'simpli':99 'site':180 'span':114 'spec':206 'specif':44,131 'staff data' 'structur':156 'suit':111 'thin':183 'unit':86 'usdc':12,29,73 'usdc-settlement' 'use':72 'util':122 'via':13,30,48 'wallet':196 'x402':14,31,54,102 'x402 API' 'x402-payment'","prices":[{"id":"e7015f3a-ef85-4346-ba60-3f132d002ebf","listingId":"ec881a4c-d8f9-421a-912f-a40ffdd9aa4f","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/24","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.292Z"}],"sources":[{"listingId":"ec881a4c-d8f9-421a-912f-a40ffdd9aa4f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/24","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.292Z","lastSeenAt":"2026-04-24T14:34:02.359Z"}],"details":{"listingId":"ec881a4c-d8f9-421a-912f-a40ffdd9aa4f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/24 \\\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":"Endpoint returns 402 with x402 challenge advertising USDC on Base at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/24"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/24"},{"claim":"Site advertises $0.02 per request, no API keys, no rate limits, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages show only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee record data on demand with per-call USDC payment","Integrating employee lookups into agent workflows without managing API keys","Demonstrating x402 payment protocol integration on Base network"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing keyless, pay-per-call data access","Low-volume, on-demand employee data retrieval"],"notFor":["Bulk employee data exports or high-volume HR systems","Users who need detailed API documentation before integrating","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.407Z"},"updatedAt":"2026-04-24T14:34:02.359Z"}}