{"id":"b78987e9-c271-470d-aa12-5ef0a17b38bf","shortId":"qLQLnQ","kind":"x402","title":"x402-gated employee salary endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated employee salary endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 192) via an x402 payment challenge. It is part of a broader platform offering dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated behind x402 micropayments on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled in USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base. The maximum amount required per call is 20,000 base units, which at 6 decimals for USDC equals $0.02. The platform advertises no API keys, no rate limits, and instant access. The x402 challenge was confirmed live, returning a proper 402 with version 1 challenge metadata.\n\nThe specific data returned by this endpoint is unclear — the description is simply \"Premium API Access\" and no response schema or example is documented. The broader site's docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further documentation. This makes it difficult to assess the actual content or utility of the salary data returned. The endpoint path suggests it retrieves salary information for a specific employee record, but whether this is sample/demo data or a real HR dataset is unknown.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","employee-salary-data","pay-per-request","json-response"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","x402 micropayment API","Base USDC API","pay-per-call salary","lowpaymentfee API","HR data endpoint"],"warnings":["No API documentation available — docs, pricing, and API pages all show only 'Connect wallet'","No response schema or example response provided for this endpoint","The nature of the 'employee salary' data is unclear — could be demo/sample data","The endpoint path is very specific (employee ID 192) with no indication of what other IDs exist or how to discover them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/192/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/192/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing. However, there is no documentation, no response schema, no example responses, and the purpose of the data (employee 192 salary) is unexplained. The rest of the site's pages render only 'Connect wallet' with no usable 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'000':107 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':96 '1':142 '192':42 '20':106 '402':139 '6':112 'Base USDC API' 'HR data endpoint' 'accept':84 'access':34,129,160 'actual':196 'advertis':120 'ai/ml':66 'amount':101 'analyt':65 'api':62,122,159,176 'assess':194 'base':8,22,80,98,108 'base-network' 'behind':75 'broader':53,170 'call':104 'challeng':47,132,143 'confirm':134 'connect':182 'content':197 'contract':95 'crypto':69 'data':38,64,147,203,223 'dataset':228 'decim':113 'descript':155 'difficult':192 'doc':173 'document':168,188 'dozen':56 'employe':4,18,36,40,216 'employee salary API' 'employee-salary-data' 'endpoint':6,20,30,83,151,206 'equal':116 'exampl':166 'financ':68 'gate':3,17,74 'hr':227 'id':41 'infer':67 'inform':212 'instant':128 'json':89 'json-response' 'key':123 'limit':126 'live':135 'lowpaymentfee API' 'lowpaymentfee.com':32 'make':190 'maximum':100 'metadata':144 'micropay':77 'network':81 'offer':55 'page':177 'part':50 'path':207 'pay':9,23,59 'pay-per-call salary' 'pay-per-request':58 'payment':46,90 'payroll data endpoint' 'per':11,25,60,103 'platform':54,119 'post':85 'premium':158 'price':174 'prompt':184 'proper':138 'provid':33 'rate':125 'real':226 'record':217 'render':179 'request':12,26,61,86 'requir':102 'respons':163 'retriev':210 'return':88,136,148,204 'salari':5,19,37,202,211 'sample/demo':222 'schema':164 'servic':72 'settl':92 'simpli':157 'site':171 'span':63 'specif':39,146,215 'suggest':208 'unclear':153 'unit':109 'unknown':230 'usdc':14,28,94,115 'usdc-micropayment' 'util':71,199 'version':141 'via':43 'wallet':183 'whether':219 'x402':2,16,45,76,131 'x402 micropayment API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"b743ca72-da04-4b75-97e5-a4c41d85d837","listingId":"b78987e9-c271-470d-aa12-5ef0a17b38bf","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/192/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":"2026-04-21T18:32:15.613Z"}],"sources":[{"listingId":"b78987e9-c271-470d-aa12-5ef0a17b38bf","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/192/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.613Z","lastSeenAt":"2026-04-23T07:32:07.297Z"}],"details":{"listingId":"b78987e9-c271-470d-aa12-5ef0a17b38bf","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/192/salary \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/192/salary"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/192/salary"}],"useCases":["Retrieving salary information for a specific employee record","Demonstrating x402 micropayment integration on Base","Testing pay-per-request API patterns with USDC"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need to make micropayment-gated API calls on Base","Projects exploring pay-per-use data access without API keys"],"notFor":["Production HR/payroll systems requiring authenticated, auditable access","Bulk employee data retrieval across many records","Users who need detailed API documentation before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.364Z"},"updatedAt":"2026-04-23T07:32:07.297Z"}}