{"id":"4f76f688-2c91-4684-9b7b-b4e6c4163f5a","shortId":"UDzyQK","kind":"x402","title":"Pay-per-call employee salary data endpoint on Base via x402, settled in USDC.","tagline":"Pay-per-call employee salary data endpoint on Base via x402, settled in USDC.","description":"This x402-enabled endpoint at lowpaymentfee.com provides access to employee salary data via a simple POST request. The specific resource `/api/v1/employees/2/salary` returns salary information for employee ID 2 in JSON format. Payment is handled inline using the x402 protocol on the Base network, settling in USDC (contract 0x8335…2913).\n\nThe endpoint charges a maximum of 0.02 USDC per request (20,000 base units with 6 decimals), consistent with the provider's site-wide flat pricing of $0.02 per call. No API keys or rate limits are advertised; access is granted immediately upon valid x402 payment. The x402 challenge specifies a 300-second payment timeout window.\n\nThe provider (lowpaymentfee.com) hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/crypto feeds, and utility services — all at the same $0.02/request price point. However, documentation beyond the landing page is extremely thin: the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available, so the exact request body format and response structure for this salary endpoint are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-call","no-api-key","json-response"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 paid API","USDC micropayment API","lowpaymentfee","employee compensation data"],"warnings":["No OpenAPI or schema documentation available — request body format and response structure are completely unknown","All documentation pages (/docs, /pricing, /api, /README) render only 'Connect wallet' with no usable content","The endpoint path references a hardcoded employee ID (2); it is unclear whether this is a demo or production resource","The nature and source of the 'employee salary' data is unspecified — could be mock/demo data"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/2/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/2/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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation, and no example payloads. The docs pages all render only 'Connect wallet' with no technical content. The purpose ('employee salary data') is vaguely described with no detail on what data is returned or what inputs are 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'/api/v1/employees/2/salary':52 '/docs':179 '/pricing':180 '/readme':183 '/request':166 '0.02':87,109,165 '000':92 '0x8335':79 '2':59 '20':91 '2913':80 '300':133 '6':96 'USDC micropayment API' 'access':39,120 'advertis':119 'ai/ml':154 'analyt':153 'api':113,150 'avail':209 'base':10,25,73,93 'base-network' 'beyond':171 'bodi':214 'broader':143 'call':4,19,111,149 'catalog':144 'challeng':130 'charg':83 'connect':189 'consist':98 'contract':78 'data':7,22,43,152 'decim':97 'detail':196 'document':170 'employe':5,20,41,57 'employee compensation data' 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,82,222 'exact':212 'exampl':207 'extrem':176 'feed':157 'finance/crypto':156 'flat':106 'format':62,215 'grant':122 'handl':65 'host':141 'howev':169 'id':58 'immedi':123 'infer':155 'inform':55 'inlin':66 'json':61 'json-response' 'key':114 'land':173 'limit':117 'lowpaymentfee' 'lowpaymentfee.com':37,140 'maximum':85 'network':74 'no-api-key' 'openapi':200 'page':174,184 'pay':2,17,147 'pay-per-cal':1,16,146 'pay-per-call' 'payload':208 'payment':63,127,135 'payroll data endpoint' 'per':3,18,89,110,148 'point':168 'post':47 'price':107,167 'prompt':191 'protocol':70 'provid':38,101,139 'rate':116 'render':186 'request':48,90,213 'request/response':203 'resourc':51 'respons':217 'return':53 'salari':6,21,42,54,221 'salary lookup' 'schema':204 'second':134 'servic':160 'settl':13,28,75 'simpl':46 'site':104 'site-wid':103 'span':151 'spec':201 'specif':50 'specifi':131 'structur':218 'technic':195 'thin':177 'timeout':136 'unit':94 'unknown':224 'upon':124 'usdc':15,30,77,88 'usdc-settlement' 'use':67 'util':159 'valid':125 'via':11,26,44 'wallet':190 'wide':105 'window':137 'x402':12,27,33,69,126,129 'x402 paid API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"d19bb89d-2743-477e-b89b-6033e75a92f1","listingId":"4f76f688-2c91-4684-9b7b-b4e6c4163f5a","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/2/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":"2026-04-21T18:32:16.275Z"}],"sources":[{"listingId":"4f76f688-2c91-4684-9b7b-b4e6c4163f5a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/2/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.275Z","lastSeenAt":"2026-04-23T06:05:07.768Z"}],"details":{"listingId":"4f76f688-2c91-4684-9b7b-b4e6c4163f5a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/2/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":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/2/salary"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/2/salary"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) show only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving salary information for a specific employee by ID","Integrating pay-per-call salary data into HR or payroll dashboards","Agent-driven lookups of compensation data without API key provisioning"],"bestFor":["Developers needing on-demand employee salary data without subscription commitments","AI agents that can settle x402 payments in USDC on Base","Quick one-off salary lookups at very low cost ($0.02)"],"notFor":["Bulk payroll data exports requiring thousands of records at once","Users who cannot transact in USDC on the Base network","Production systems requiring well-documented request/response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.455Z"},"updatedAt":"2026-04-23T06:05:07.768Z"}}