{"id":"edb8ae06-5bb8-4861-8161-c95abba09553","shortId":"WqryrF","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. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated by the x402 payment protocol on the Base network.\n\nThe specific endpoint `/api/v1/employees/77/salary` returns salary information for employee ID 77. Payment is settled in USDC (contract 0x8335…2913 on Base) at a maximum cost of $0.02 per request (20,000 base units with 6 decimals). The x402 challenge was captured live, confirming the endpoint is operational. No API keys or rate limits are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nDocumentation is extremely sparse — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the salary response contains. The endpoint path suggests it returns salary data for a specific employee, but the exact schema and semantics are unknown. The platform advertises uniform $0.02 pricing across all endpoints, no API keys, no rate limits, and instant access.","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","lowpaymentfee"],"warnings":["No OpenAPI or JSON schema available for request or response bodies","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content","Response format and fields are completely unknown — salary data structure is inferred solely from the URL path","The endpoint path references a hardcoded employee ID (77); it is unclear if other IDs are supported or how to discover them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/77/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/77/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 schema, no request/response examples, and documentation pages are empty stubs. The purpose of the endpoint can only be inferred from the URL path. This is effectively a stub 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'0.02':108,215 '000':112 '0x8335':99 '20':111 '2913':100 '6':116 '77':92 'USDC micropayment API' 'access':36,228 'across':217 'advertis':213 'ai/ml':64 'analyt':63 'api':8,23,60,130,158,221 'attach':139 'base':10,25,80,102,113 'base-network' 'broader':51 'call':4,19,59 'caller':137 'captur':122 'challeng':120 'confirm':124 'connect':166 'contain':190 'content':172 'contract':98 'cost':106 'crypto':67 'data':40,62,198 'decim':117 'descript':183 'doc':156 'document':151 'dozen':54 'employe':5,20,38,90,202 'employee salary API' 'employee-data' 'endpoint':32,84,126,192,219 'exact':205 'exampl':180 'extrem':153 'field':186 'financ':66 'gate':72 'header':144 'id':91 'infer':65 'inform':88 'instant':227 'key':131,222 'limit':134,225 'live':123 'lookup':7,22 'lowpaymentfee' 'lowpaymentfee.com':34 'maximum':105 'network':81 'no-api-key' 'offer':53 'openapi':176 'oper':128 'page':161 'part':48 'path':193 'pay':2,17,57 'pay-per-cal':1,16,56 'pay-per-call' 'pay-per-request API' 'payment':76,93,143,149 'payroll data endpoint' 'per':3,18,58,109 'platform':52,212 'post':44 'price':157,216 'prompt':168 'proof':150 'protocol':77 'provid':35 'rate':133,224 'readm':160 'render':163 'request':45,110 'request/response':179 'requir':136 'respons':189 'return':86,196 'salari':6,21,39,87,188,197 'salary lookup' 'salary-lookup' 'schema':177,206 'semant':208 'servic':70 'settl':13,28,95 'simpl':43 'simpli':138 'span':61 'spars':154 'specif':83,201 'substant':171 'suggest':194 'uniform':214 'unit':114 'unknown':210 'usdc':15,30,97 'usdc-settlement' 'util':69 'valid':147 'via':11,26,41 'wallet':167 'x':142 'x-payment':141 'x402':12,27,75,119,148 'x402 API' 'x402-payment'","prices":[{"id":"6ce26b3a-dd8c-4584-983d-1b12ac6afefb","listingId":"edb8ae06-5bb8-4861-8161-c95abba09553","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/77/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":"2026-04-21T18:32:17.951Z"}],"sources":[{"listingId":"edb8ae06-5bb8-4861-8161-c95abba09553","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/77/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.951Z","lastSeenAt":"2026-04-23T03:02:35.112Z"}],"details":{"listingId":"edb8ae06-5bb8-4861-8161-c95abba09553","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/77/salary \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\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 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/77/salary"},{"claim":"Platform advertises $0.02/request pricing, no API keys, no rate limits, 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/77/salary"}],"useCases":["Retrieving salary information for a specific employee by ID","Integrating employee compensation data into payroll or HR dashboards","Agent-driven lookups of salary records with per-call crypto payment"],"bestFor":["Developers needing on-demand employee salary data without subscription commitments","AI agents that can settle x402 payments in USDC on Base","Prototyping pay-per-call data access patterns"],"notFor":["Bulk payroll data exports (single-employee endpoint, no batch support evident)","Users without a Base-compatible USDC wallet","Anyone needing detailed API documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:12.911Z"},"updatedAt":"2026-04-23T03:02:35.112Z"}}