{"id":"c1f72383-1045-474d-8a7b-188cccc31b8e","shortId":"CQnukV","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 113) via an x402 payment-gated POST request. It is part of a broader platform (lowpaymentfee.com) that hosts dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all settled on the Base network using USDC.\n\nThe x402 challenge confirms the endpoint is live and accepts payments via the \"exact\" scheme on Base mainnet. The maximum amount required is 20,000 base units of USDC (0x8335…), which at 6 decimals equals $0.02 per request. The platform advertises uniform $0.02/request pricing across all its endpoints, with no API keys, no rate limits, and no minimum commitments required.\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 spec, no request/response schema documentation, and no example payloads available. The specific data returned by this salary endpoint (fields, format, whether it's real or sample data) is entirely unknown from the available material. The endpoint's purpose — retrieving salary information for a specific employee — is inferred solely from the URL path structure.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","salary-lookup","pay-per-request","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee","salary lookup","employee compensation data"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet'","No OpenAPI or schema definition for request or response payloads","The nature of the salary data (real, synthetic, demo) is unknown","No robots.txt or agents.txt present","Endpoint path suggests employee PII (salary data) — may involve regulated data categories"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/113/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/113/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the nature of the data returned is completely unknown. This is effectively a stub 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'/docs':154 '/pricing':155 '/readme':158 '/request':131 '0.02':123,130 '000':112 '0x8335':117 '113':44 '20':111 '6':120 'Base network API' 'USDC micropayment API' 'accept':97 'access':36 'across':133 'advertis':128 'ai/ml':73 'amount':108 'analyt':72 'api':69,139 'avail':184,207 'base':9,24,84,104,113 'base-network' 'broader':58 'call':68 'challeng':90 'commit':147 'confirm':91 'connect':164 'content':170 'crypto':76 'data':6,21,40,71,187,201 'decim':121 'document':149,179 'dozen':63 'employe':4,19,38,42,219 'employee compensation data' 'employee salary API' 'employee-data' 'endpoint':7,22,32,93,136,192,210 'entir':203 'equal':122 'exact':101 'exampl':182 'extrem':151 'field':193 'financ':75 'format':194 'gate':3,18,50 'host':62 'id':43 'infer':74,221 'inform':215 'key':140 'limit':143 'live':95 'lowpaymentfee' 'lowpaymentfee.com':34,60 'mainnet':105 'materi':208 'maximum':107 'minimum':146 'network':85 'no-api-key' 'openapi':174 'page':159 'paid':10,25 'part':55 'path':226 'pay':66 'pay-per-cal':65 'pay-per-request' 'payload':183 'payment':49,98 'payment-g':48 'payroll data endpoint' 'per':12,27,67,124 'per-request':11,26 'platform':59,127 'post':51 'price':132 'prompt':166 'provid':35 'purpos':212 'rate':142 'real':198 'render':161 'request':13,28,52,125 'request/response':177 'requir':109,148 'retriev':213 'return':188 'salari':5,20,39,191,214 'salary lookup' 'salary-lookup' 'sampl':200 'schema':178 'scheme':102 'servic':79 'settl':81 'sole':222 'span':70 'spars':152 'spec':175 'specif':41,186,218 'structur':227 'uniform':129 'unit':114 'unknown':204 'url':225 'usdc':15,30,87,116 'usdc-settlement' 'use':86 'util':78 'via':45,99 'wallet':165 'whether':195 'x402':2,17,47,89 'x402 paid API' 'x402-gated':1,16 'x402-payment'","prices":[{"id":"1cf1939a-9b40-4f3b-868a-15a0a73ad519","listingId":"c1f72383-1045-474d-8a7b-188cccc31b8e","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/113/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":"2026-04-21T18:32:13.531Z"}],"sources":[{"listingId":"c1f72383-1045-474d-8a7b-188cccc31b8e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/113/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.531Z","lastSeenAt":"2026-04-25T10:03:59.408Z"}],"details":{"listingId":"c1f72383-1045-474d-8a7b-188cccc31b8e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/113/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 of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/113/salary"},{"claim":"Platform advertises $0.02/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/113/salary"}],"useCases":["Retrieving salary data for employee records in a pay-per-call model","Demonstrating x402 payment protocol integration with USDC on Base","Agent-driven data retrieval without API key provisioning"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agents that can settle USDC payments on Base for per-call data access","Use cases needing keyless, on-demand API access"],"notFor":["Production HR/payroll systems requiring documented schemas and SLAs","Bulk employee data retrieval (no batch endpoint documented)","Users without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.193Z"},"updatedAt":"2026-04-25T10:03:59.408Z"}}