{"id":"de9eaa65-bda6-458b-a17b-faf4a1c38ddb","shortId":"j6xfUT","kind":"x402","title":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data records via the x402 payment protocol. The specific resource `/api/v1/employees/5` returns JSON data for employee ID 5 when called with a POST request and a valid X-PAYMENT header containing a USDC payment on the Base network.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request. Payment is made in USDC (contract 0x8335…2913) on Base, using the x402 \"exact\" scheme. There are no API keys, no rate limits, and no subscription commitments; each call is individually settled on-chain.\n\nThe x402 challenge confirms the endpoint is live and returns a 402 Payment Required response with a maxAmountRequired of 20000 base units. USDC uses 6 decimals, so this equals $0.02 per request. The payment is directed to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. Documentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail about request/response schemas for this specific employee endpoint.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","per-call-pricing","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","staff data endpoint","HR data API","x402 employee lookup","pay-per-call data API","Base USDC API","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, /README all render only a wallet connect prompt with no technical content","No request or response schema provided for the /api/v1/employees/{id} endpoint","The employee data endpoint is not listed on the landing page's API catalog, raising questions about its intended use or demo status","Unknown what fields the employee record contains; no sample response available"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/5","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/5","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 OpenAPI schema, no request/response examples, and all documentation pages beyond the landing page are empty wallet-connect stubs. The specific employee data schema is entirely 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'/docs':204 '/pricing':205 '/readme':207 '/request':17,34 '0.02':16,33,114,181 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':190 '0x8335':123 '20000':171 '2913':124 '300':193 '402':163 '5':60 '6':176 'Base USDC API' 'HR data API' 'access':40 'addit':218 'address':189 'ai':103 'analyt':102 'api':7,24,99,135 'base':9,26,80,126,172 'beyond':197 'broader':88 'call':4,21,62,98,145 'chain':151 'challeng':154 'commit':143 'confirm':155 'connect':213 'contain':74 'contract':122 'data':6,23,43,56,101 'decim':177 'detail':220 'direct':187 'document':196 'dozen':93 'employe':5,22,42,58,227 'employee API' 'employee-data' 'endpoint':36,83,157,228 'equal':180 'exact':130 'financ':106 'header':73 'id':59 'individu':147 'infrastructur':109 'json':55 'json-response' 'key':136 'land':199 'learn':105 'limit':139 'live':159 'lowpaymentfee' 'lowpaymentfee.com':38,90 'machin':104 'made':119 'maxamountrequir':169 'network':81 'no-api-key' 'offer':92 'on-chain':149 'page':200,208 'part':85 'pay':2,19,96 'pay-per-cal':1,18,95 'pay-per-call data API' 'payment':48,72,77,117,164,185 'per':3,20,97,115,182 'per-call-pricing' 'platform':89 'post':65 'price':112 'prompt':215 'protocol':49 'provid':39 'rate':138 'record':44 'render':210 'request':66,116,183 'request/response':222 'requir':165 'resourc':52 'respons':166 'return':54,161 'schema':223 'scheme':131 'second':194 'settl':12,29,148 'span':100 'spars':202 'specif':51,226 'staff data endpoint' 'subscript':142 'technic':219 'timeout':195 'unit':173 'usdc':14,31,76,121,174 'usdc-base' 'use':127,175 'util':110 'valid':69 'via':10,27,45 'wallet':214 'web3':107 'x':71 'x-payment':70 'x402':11,28,47,129,153 'x402 employee lookup' 'x402-payment'","prices":[{"id":"682a0208-614f-4729-8ab3-8aa546cbe9c4","listingId":"de9eaa65-bda6-458b-a17b-faf4a1c38ddb","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/5","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.893Z"}],"sources":[{"listingId":"de9eaa65-bda6-458b-a17b-faf4a1c38ddb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/5","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.893Z","lastSeenAt":"2026-04-24T10:33:55.341Z"}],"details":{"listingId":"de9eaa65-bda6-458b-a17b-faf4a1c38ddb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/5 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","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 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/5"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/5"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee records on demand without subscription or API key management","Integrating employee data lookups into agent workflows that settle payments on Base","Demonstrating x402 protocol usage for micro-payment gated REST APIs"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agent-based systems that need on-demand employee data with crypto micropayments","Projects requiring keyless, pay-as-you-go API access on Base"],"notFor":["High-volume bulk employee data exports where per-call pricing is impractical","Users without USDC on Base or unfamiliar with on-chain payment flows","Production HR systems requiring guaranteed SLAs and detailed documentation"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.501Z"},"updatedAt":"2026-04-24T10:33:55.341Z"}}