{"id":"e1cbeefa-724c-4848-a24d-4c2689fe6334","shortId":"AcqDJ8","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/121/salary` returns salary information for employee ID 121 in JSON format. Payment is handled inline using the x402 protocol on the Base network, settling in USDC (contract 0x8335…2913) at a cost of $0.02 per request.\n\nThe endpoint is live and returns a standard x402 402 challenge when called without payment. It is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call APIs across categories including data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. All endpoints settle on the Base L2 network.\n\nDocumentation is extremely sparse. The crawled /docs, /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint's actual behavior (required POST body fields, response structure) must be discovered experimentally.","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","HR data API","compensation data","x402 salary endpoint","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request body and response format are unknown","All documentation pages (/docs, /api, /pricing, /README) returned only 'Connect wallet' with no content","The endpoint path suggests access to a specific employee record (ID 121); generalizability to other IDs is unconfirmed","No SLA, rate limit, or uptime guarantees documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/121/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/121/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 confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The actual data returned is unknown, making this effectively a stub 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'/api/v1/employees/121/salary':52 '/docs':163 '/pricing':165 '/readme':167 '0.02':85,135 '0x8335':79 '121':59 '2913':80 '402':97 'HR data API' 'access':39 'across':120 'actual':197 'ai/ml':125 'analyt':124 'api':119,140 'avail':193 'base':10,25,73,154 'base-network' 'behavior':198 'bodi':201 'broader':108 'call':4,19,100,118 'categori':121 'challeng':98 'commit':148 'compensation data' 'connect':173 'content':179 'contract':78 'cost':83 'crawl':162 'crypto':128 'data':7,22,43,123 'discov':207 'document':157,188 'dozen':113 'employe':5,20,41,57 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,89,150,195 'exampl':191 'experiment':208 'extrem':159 'field':202 'financ':127 'format':62 'handl':65 'id':58 'includ':122 'infer':126 'inform':55 'inlin':66 'json':61 'json-response' 'key':141 'l2':155 'limit':144 'live':91 'lowpaymentfee' 'lowpaymentfee.com':37,110 'minimum':147 'must':205 'network':74,156 'no-api-key' 'offer':112 'openapi':183 'page':168 'part':105 'pay':2,17,116 'pay-per-cal':1,16,115 'pay-per-call' 'payload':192 'payment':63,102 'payroll data endpoint' 'per':3,18,86,117,136 'platform':109 'post':47,200 'price':133 'prompt':175 'protocol':70 'provid':38 'rate':143 'request':48,87,137 'request/response':186 'requir':199 'resourc':51 'respons':203 'return':53,93,170 'salari':6,21,42,54 'salary lookup' 'schema':187 'servic':131 'settl':13,28,75,151 'simpl':46 'spars':160 'spec':184 'specif':50 'standard':95 'structur':204 'substant':178 'usdc':15,30,77 'usdc-settlement' 'use':67 'util':130 'via':11,26,44 'wallet':174 'without':101 'x402':12,27,33,69,96 'x402 salary endpoint' 'x402-enabled':32 'x402-payment'","prices":[{"id":"58958b11-e31c-4dc7-9e7c-09010e848f2b","listingId":"e1cbeefa-724c-4848-a24d-4c2689fe6334","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/121/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":"2026-04-21T18:32:13.891Z"}],"sources":[{"listingId":"e1cbeefa-724c-4848-a24d-4c2689fe6334","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/121/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.891Z","lastSeenAt":"2026-04-23T10:31:44.777Z"}],"details":{"listingId":"e1cbeefa-724c-4848-a24d-4c2689fe6334","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/121/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 x402 challenge with maxAmountRequired of 20000 base units USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/121/salary"},{"claim":"Platform advertises $0.02 per request pricing 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/121/salary"}],"useCases":["Retrieving employee salary information programmatically","Integrating salary data into payroll or HR dashboards","Agent-driven compensation benchmarking workflows"],"bestFor":["Developers needing quick, keyless access to salary data","AI agents that can settle x402 payments on Base","Prototyping pay-per-call data integrations without signup"],"notFor":["Production HR systems requiring documented SLAs and schemas","Users who need bulk employee data exports (single-employee endpoint)","Anyone unable to settle USDC payments on Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.742Z"},"updatedAt":"2026-04-23T10:31:44.777Z"}}