{"id":"6354c15f-7a3e-4c29-b255-f8c9f4534445","shortId":"jXqs5M","kind":"x402","title":"x402-gated employee salary data endpoint on Base, paid per-request in USDC.","tagline":"x402-gated employee salary data endpoint on Base, paid per-request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 144) via an x402 payment challenge. It is part of a broader platform offering dozens of pay-per-request API endpoints across data analytics, AI/ML, finance, and utility categories, all settled on the Base network using USDC.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers receive a 402 challenge specifying the USDC amount required, then submit an X-PAYMENT header with a signed payment to proceed. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The platform advertises no API keys, no rate limits, and instant access.\n\nNote that the specific endpoint path (`/api/v1/employees/144/salary`) is not listed on the provider's landing page among the advertised API categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure). It may be an internal or less-publicized endpoint. No documentation, request schema, or response schema is available beyond the x402 challenge metadata. The actual data returned (salary details, format, fields) is unknown from available materials.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","salary-lookup","pay-per-request","json-response"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 employee data","USDC pay-per-call API","lowpaymentfee API"],"warnings":["Endpoint path /api/v1/employees/144/salary is not listed among the provider's advertised APIs — may be internal, test, or undocumented.","No request body schema or response schema available; actual data format is unknown.","All documentation pages (docs, api, pricing, README) returned only 'Connect wallet' with no substantive content.","The nature of the 'employee salary' data is unclear — could be synthetic/demo data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/144/salary","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/144/salary","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 x402 challenge, but there is no documentation, no request/response schema, and the specific endpoint is not listed among the provider's advertised APIs. The actual data returned is completely unknown. Docs pages returned only 'Connect wallet' with no useful 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'0.02':135 '000':126 '144':44 '20':125 '402':100 '6':131 'USDC pay-per-call API' 'accept':84 'access':36,149 'across':66 'actual':203 'advertis':140,168 'ai':173 'ai/ml':69 'among':166 'amount':105,122 'analyt':68,172 'api':64,142,169 'avail':196,213 'base':9,24,78,127 'base-network' 'beyond':197 'broader':55 'caller':97 'categori':73,170 'challeng':49,101,200 'data':6,21,40,67,171,204 'decim':132 'detail':207 'document':189 'dozen':58 'employe':4,19,38,42 'employee salary API' 'employee-data' 'endpoint':7,22,32,65,83,154,187 'equal':134 'field':209 'financ':70,175 'format':208 'gate':3,18 'handl':92 'header':113 'id':43 'infrastructur':177 'instant':148 'intern':182 'json':89 'json-response' 'key':143 'land':164 'less':185 'less-public':184 'limit':146 'list':159 'lowpaymentfee API' 'lowpaymentfee.com':34 'materi':214 'max':121 'may':179 'metadata':201 'ml':174 'network':79 'note':150 'offer':57 'page':165 'paid':10,25 'part':52 'path':155 'pay':61 'pay-per-request':60 'payment':48,90,112,117 'payroll data endpoint' 'per':12,27,62,136 'per-request':11,26 'platform':56,139 'post':85 'proceed':119 'protocol':96 'provid':35,162 'public':186 'rate':145 'receiv':98 'request':13,28,63,86,137,190 'requir':106,123 'respons':193 'return':88,205 'salari':5,20,39,206 'salary lookup' 'salary-lookup' 'schema':191,194 'settl':75 'sign':116 'specif':41,153 'specifi':102 'submit':108 'unit':128 'unknown':211 'usdc':15,30,81,104,130 'usdc-settlement' 'use':80 'util':72 'via':45,93 'web3':176 'x':111 'x-payment':110 'x402':2,17,47,95,199 'x402 employee data' 'x402-gated':1,16 'x402-payment'","prices":[{"id":"4ce9f753-96a3-49f5-8e2b-96c902129c1b","listingId":"6354c15f-7a3e-4c29-b255-f8c9f4534445","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/144/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.550Z"}],"sources":[{"listingId":"6354c15f-7a3e-4c29-b255-f8c9f4534445","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/144/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.550Z","lastSeenAt":"2026-04-25T03:03:58.992Z"}],"details":{"listingId":"6354c15f-7a3e-4c29-b255-f8c9f4534445","quickStartSnippet":"# 1. Send POST to get the 402 challenge:\ncurl -X POST https://lowpaymentfee.com/api/v1/employees/144/salary\n# 2. Parse the 402 response, sign a USDC payment on Base for 20000 base units ($0.02)\n# 3. Resend with X-PAYMENT header containing the signed payment","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge requires 20000 base units of USDC on Base network ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/employees/144/salary"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/144/salary"}],"useCases":["Retrieving salary information for a specific employee via automated agent","Integrating pay-per-request employee data into payroll or HR workflows","Demonstrating x402 micropayment protocol usage for data access"],"bestFor":["Agents needing on-demand employee salary data without API key management","Developers experimenting with x402 payment-gated APIs","Scenarios requiring single-request, no-commitment data access"],"notFor":["Bulk employee data retrieval (no batch endpoint documented)","Users without USDC on Base network","Applications requiring detailed API documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.789Z"},"updatedAt":"2026-04-25T03:03:58.992Z"}}