{"id":"60b7afd4-fb98-4ae2-9946-c8ab027b76a5","shortId":"hdUtre","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 a simple HTTP POST, gated by the x402 payment protocol. The specific resource `/api/v1/employees/50` returns JSON data for employee ID 50. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). No API keys or rate limits are required — access is granted purely through the x402 payment header.\n\nThe provider, lowpaymentfee.com, hosts a broader 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 the same x402 payment model on Base.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed description of what fields the employee endpoint returns. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response payload structure is unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","per-call-pricing","no-api-key","json-response"],"categories":["data","api-gateway"],"synonyms":["employee API","employee record lookup","pay-per-call API","x402 API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages only show 'Connect wallet' with no content","No OpenAPI or schema definition for request or response payloads","Unknown response structure — it is unclear what fields the employee endpoint returns","The endpoint path suggests a demo/sample resource (employee ID 50); unclear if other IDs are supported"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/50","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/50","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing, but there is no OpenAPI schema, no request/response examples, and documentation pages are effectively empty. The actual data returned is completely unknown, making this largely a stub 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'/api/v1/employees/50':59 '/docs':175 '/pricing':176 '/readme':179 '/request':17,34 '0.02':16,33,90,159 '000':85 '0x8335':77 '20':84 '2913':78 '402':219 '50':66 '6':95 'Base network API' 'USDC micropayment API' 'access':40,105 'actual':223 'ai/ml':130 'analysi':133 'analyt':129 'api':7,24,98,126 'base':9,26,72,86,169 'base-network' 'broader':119 'call':4,21,125 'catalog':120 'challeng':220 'classif':135 'confirm':214 'connect':185 'content':191 'contract':76 'convers':152 'cost':82 'data':6,23,43,62,128 'decim':96 'descript':203 'detail':202 'document':170 'embed':136 'employe':5,22,42,64,208 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,155,209,212 'equal':89 'estim':146 'exampl':199 'exchang':141 'extrem':172 'feed':140 'field':206 'financ':137 'gas':145 'gate':50 'generat':153 'geocod':150 'grant':107 'header':113 'host':117 'http':48 'id':65 'infer':131 'infrastructur':148 'json':61 'json-response' 'key':99 'limit':102 'list':157 'live':215 'lowpaymentfee' 'lowpaymentfee.com':38,116 'maximum':81 'model':167 'network':73 'no-api-key' 'openapi':195 'page':180 'pay':2,19,123 'pay-per-cal':1,18,122 'pay-per-call API' 'payload':225 'payment':54,67,112,166 'per':3,20,91,124,160 'per-call-pricing' 'post':49 'price':139 'prompt':187 'proper':218 'protocol':55 'provid':39,115 'pure':108 'quot':144 'rate':101,142 'record':44 'render':182 'request':92,161 'request/response':198 'requir':104 'resourc':58 'respons':224 'return':60,210,216 'schema':196 'sentiment':132 'settl':12,29,69 'simpl':47 'span':127 'spars':173 'specif':57 'structur':226 'summar':134 'token':143 'unit':87 'unknown':228 'usdc':14,31,75,93 'usdc-settlement' 'use':74,94 'util':149 'valid':151 'via':10,27,45 'wallet':186 'web3':138 'x402':11,28,53,111,165 'x402 API' 'x402-payment'","prices":[{"id":"680e6943-70a2-4a6a-a15c-0f232c72a043","listingId":"60b7afd4-fb98-4ae2-9946-c8ab027b76a5","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/50","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.106Z"}],"sources":[{"listingId":"60b7afd4-fb98-4ae2-9946-c8ab027b76a5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/50","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.106Z","lastSeenAt":"2026-04-22T01:02:10.815Z"}],"details":{"listingId":"60b7afd4-fb98-4ae2-9946-c8ab027b76a5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/50 \\\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 HTTP 402 with an x402 challenge advertising USDC on Base at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/50"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The provider offers APIs across data & analytics, AI/ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/50"}],"useCases":["Fetching individual employee records on demand with per-call payment","Integrating employee data into agent workflows without managing API keys","Demonstrating x402 payment protocol integration for data access"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agents that need on-demand employee data without subscription commitments","Low-volume, pay-as-you-go data retrieval use cases"],"notFor":["High-volume bulk employee data exports (no batch endpoint documented)","Production HR systems requiring guaranteed SLAs and detailed documentation","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.189Z"},"updatedAt":"2026-04-22T01:02:10.815Z"}}