{"id":"3288ae41-70d1-4718-8e5b-6bb44d1d1f05","shortId":"MmtAk9","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 returns employee salary information for a specific employee (ID 160) via a POST request. Payment is settled on the Base network using USDC (USD Coin) at a cost of $0.02 per request. The endpoint requires no API keys, no rate limits, and offers instant access — callers simply attach an x402 payment header to each request.\n\nThe provider (lowpaymentfee.com) hosts a broader catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request. However, this specific listing covers only the `/api/v1/employees/160/salary` endpoint. No OpenAPI schema, request body specification, or response examples are documented in the crawled material, so the exact input parameters and output format are unknown. The endpoint is confirmed live: it returns a proper x402 402 challenge with version 1, advertising the USDC asset on Base with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-call","no-api-key"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 paid API","USDC micropayment API","employee compensation data","lowpaymentfee"],"warnings":["No OpenAPI or request/response schema available — input parameters and output format are unknown.","Documentation pages (/docs, /api, /pricing, /README) returned no meaningful content beyond a 'Connect wallet' prompt.","The endpoint is hardcoded to a single employee ID (160); unclear if other employee IDs are supported or how to discover them.","The nature and source of the salary data is undocumented — could be mock/demo data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/160/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/160/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid x402 402 challenge, but there is no OpenAPI schema, no documented request/response format, no examples, and the crawled docs pages are empty stubs. The purpose of the endpoint (employee salary for ID 160) is only inferable from the URL path. Effectively a stub 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'0.02':67,118,186 '000':182 '1':169 '160':47 '20':181 '402':165 '6':190 'USDC micropayment API' 'access':82 'advertis':170 'ai/ml':109 'amount':179 'analyt':108 'api':74,105 'asset':173 'attach':85 'base':10,25,57,175,183 'base-network' 'bodi':134 'broader':98 'call':4,19,104 'caller':83 'catalog':99 'challeng':166 'coin':62 'confirm':158 'cost':65 'cover':125 'crawl':143 'data':7,22,107 'decim':191 'document':140 'employe':5,20,39,45 'employee compensation data' 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,71,129,156 'exact':147 'exampl':138 'finance/web3':111 'format':152 'given':187 'header':89 'host':96 'howev':121 'i.e':185 'id':46 'infer':110 'inform':41 'infrastructur':113 'input':148 'instant':81 'key':75 'limit':78 'list':124 'live':159 'lowpaymentfee' 'lowpaymentfee.com':37,95 'materi':144 'max':178 'network':58 'no-api-key' 'offer':80 'openapi':131 'output':151 'paramet':149 'pay':2,17,102 'pay-per-cal':1,16,101 'pay-per-call' 'payment':52,88 'payroll data endpoint' 'per':3,18,68,103,119 'post':50 'price':116 'proper':163 'provid':94 'rate':77 'request':51,69,92,120,133 'requir':72 'respons':137 'return':38,161 'salari':6,21,40 'salary lookup' 'schema':132 'settl':13,28,54 'simpli':84 'span':106 'specif':44,123,135 'unit':184 'unknown':154 'usd':61 'usdc':15,30,60,172,188 'usdc-settlement' 'use':59 'util':114 'version':168 'via':11,26,48 'x402':12,27,33,87,164 'x402 paid API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"c7b06dc0-4e2c-42fd-b906-b5acc49151ab","listingId":"3288ae41-70d1-4718-8e5b-6bb44d1d1f05","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/160/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":"2026-04-21T18:32:14.579Z"}],"sources":[{"listingId":"3288ae41-70d1-4718-8e5b-6bb44d1d1f05","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/160/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.579Z","lastSeenAt":"2026-04-23T09:02:02.247Z"}],"details":{"listingId":"3288ae41-70d1-4718-8e5b-6bb44d1d1f05","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/160/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 USDC on Base, maxAmountRequired 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/employees/160/salary"},{"claim":"Provider advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/160/salary"}],"useCases":["Retrieving salary information for employee records","Integrating employee compensation data into payroll or HR dashboards","Agent-driven lookups of salary data with automatic micropayment settlement"],"bestFor":["Developers needing on-demand salary data without subscription commitments","AI agents that can settle x402 payments autonomously on Base","Applications requiring low-friction, keyless API access to employee data"],"notFor":["Bulk export of salary data for large employee populations (single-employee endpoint)","Users who cannot transact in USDC on the Base network","Production HR systems requiring documented schemas and SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.787Z"},"updatedAt":"2026-04-23T09:02:02.247Z"}}