{"id":"7e37ae3b-e7e4-409a-a929-52036da4ae54","shortId":"JQYysD","kind":"x402","title":"Pay-per-call employee salary lookup API on Base via x402, settled in USDC.","tagline":"Pay-per-call employee salary lookup API on Base via x402, settled in USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data via a simple POST request, paid per call using the x402 protocol. The specific resource `/api/v1/employees/5/salary` returns salary information for employee ID 5. Payment is settled on the Base network using USDC (USD Coin) 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 to each request.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, and utility services, all priced uniformly at $0.02 per request. However, the crawled documentation pages (docs, pricing, API reference) returned only a wallet-connect prompt with no substantive content, so details about request/response schemas, accepted parameters, or the structure of the salary data returned are unknown. The endpoint is confirmed live: it returns a proper 402 challenge with x402 version 1 when called without payment.\n\nBecause no OpenAPI spec, request schema, or response examples are available, callers will need to experiment or contact the provider for integration details. The output schema in the challenge indicates the endpoint accepts HTTP POST and is discoverable.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","salary-lookup","pay-per-call","no-api-key"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 API","pay-per-request API","USDC micropayment API","Base network API"],"warnings":["No OpenAPI or request/response schema available — integration details are unknown","All documentation pages (/docs, /pricing, /api, /README) returned only a wallet-connect prompt with no usable content","The specific data returned by this endpoint (employee salary) cannot be verified beyond the URL path","The endpoint path references a hardcoded employee ID (5); it is unclear whether other IDs are supported or how to parameterize"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/5/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/5/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid 402 challenge, but there is no OpenAPI spec, no request/response schema, no documentation content (all doc pages just show a wallet-connect prompt), and the endpoint's purpose (employee salary data) is only inferable from the URL path. Effectively a stub 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'0.02':79,133 '000':83 '1':187 '20':82 '402':182 '5':63 '6':87 'Base network API' 'USDC micropayment API' 'accept':161,224 'access':36 'ai/ml':123 'analyt':122 'api':8,23,90,119,143 'attach':99 'avail':202 'base':10,25,69,84 'base-network' 'broader':112 'call':4,19,48,118,189 'caller':97,203 'catalog':113 'challeng':183,220 'coin':74 'confirm':176 'connect':150 'contact':209 'content':155 'cost':77 'crawl':138 'data':40,121,169 'decim':88 'detail':157,214 'discover':229 'doc':141 'document':139 'employe':5,20,38,61 'employee salary API' 'employee-data' 'endpoint':32,174,223 'exampl':200 'experi':207 'financ':125 'header':103 'host':110 'howev':136 'http':225 'id':62 'indic':221 'infer':124 'inform':59 'integr':213 'key':91 'limit':94 'live':177 'lookup':7,22 'lowpaymentfee.com':34,109 'need':205 'network':70 'no-api-key' 'openapi':194 'output':216 'page':140 'paid':46 'paramet':162 'pay':2,17,116 'pay-per-cal':1,16,115 'pay-per-call' 'pay-per-request API' 'payment':64,102,191 'payroll data endpoint' 'per':3,18,47,80,117,134 'post':44,226 'price':130,142 'prompt':151 'proper':181 'protocol':52 'provid':35,108,211 'rate':93 'refer':144 'request':45,81,106,135,196 'request/response':159 'requir':96 'resourc':55 'respons':199 'return':57,145,170,179 'salari':6,21,39,58,168 'salary lookup' 'salary-lookup' 'schema':160,197,217 'servic':128 'settl':13,28,66 'simpl':43 'simpli':98 'span':120 'spec':195 'specif':54 'structur':165 'substant':154 'uniform':131 'unit':85 'unknown':172 'usd':73 'usdc':15,30,72 'usdc-settlement' 'use':49,71 'util':127 'version':186 'via':11,26,41 'wallet':149 'wallet-connect':148 'without':190 'x402':12,27,51,101,185 'x402 API' 'x402-payment'","prices":[{"id":"536a9031-cd0f-4369-9a7b-5e8ca44ad512","listingId":"7e37ae3b-e7e4-409a-a929-52036da4ae54","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/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":"2026-04-21T18:32:16.937Z"}],"sources":[{"listingId":"7e37ae3b-e7e4-409a-a929-52036da4ae54","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/5/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.937Z","lastSeenAt":"2026-04-23T06:05:08.406Z"}],"details":{"listingId":"7e37ae3b-e7e4-409a-a929-52036da4ae54","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/5/salary \\\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":"Endpoint returns a 402 challenge with x402 version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/5/salary"},{"claim":"Provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/5/salary"}],"useCases":["Retrieving employee salary information programmatically","Integrating salary data into payroll or HR dashboards","Agent-driven lookups of compensation data with instant crypto payment"],"bestFor":["Developers needing on-demand salary data without subscription commitments","AI agents that can settle x402 payments on Base","Prototyping pay-per-call data access patterns"],"notFor":["Bulk salary data exports (no batch endpoint documented)","Users without USDC on Base network","Applications requiring detailed API documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.477Z"},"updatedAt":"2026-04-23T06:05:08.406Z"}}