{"id":"3b0e441f-41c3-4569-b0da-945c503204fd","shortId":"VxYYER","kind":"x402","title":"x402-paywalled employee salary endpoint on Base, settling in USDC at $0.02 per request.","tagline":"x402-paywalled employee salary endpoint on Base, settling in USDC at $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 109) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum amount of 20,000 base units, which equals $0.02 USD (USDC uses 6 decimals). No API keys or rate limits are required — callers simply attach an x402 payment header.\n\nThe endpoint is part of a broader API platform at lowpaymentfee.com that offers endpoints across data analytics, AI/ML inference, finance, and utility categories, all priced uniformly at $0.02 per request. The platform advertises instant access with no minimums or commitments.\n\nThe specific endpoint `/api/v1/employees/109/salary` is not listed on the provider's landing page among the advertised API categories, which focus on analytics, AI, finance, and infrastructure utilities. It appears to be a demo or sample resource. Documentation pages (docs, pricing, README) returned only a \"Connect wallet\" prompt with no substantive content, so the request/response schema for this endpoint is unknown beyond the x402 challenge metadata.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","per-request-billing","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","x402 employee endpoint","USDC pay-per-call API","Base network API","lowpaymentfee API","salary lookup"],"warnings":["Endpoint /api/v1/employees/109/salary is not listed among the provider's advertised APIs — may be a demo or test resource","All documentation pages (docs, pricing, README) returned only 'Connect wallet' with no content","No request or response schema available — input format and output fields are unknown","Single hardcoded employee ID (109) limits practical utility"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/109/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/109/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 (returns a valid x402 402 challenge), but there is no OpenAPI schema, no documentation of request/response format, and the specific employee salary endpoint is not listed among the provider's advertised APIs. Documentation pages are empty stubs. The endpoint appears to be a demo resource with minimal practical 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'0.02':13,28,79,127 '000':74 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':67 '109':44 '20':73 '6':83 'Base network API' 'USDC pay-per-call API' 'accept':51 'access':36,134 'across':114 'advertis':132,155 'ai':162 'ai/ml':117 'among':153 'amount':71 'analyt':116,161 'api':86,107,156 'appear':168 'attach':95 'base':8,23,62,75 'base-network' 'beyond':200 'broader':106 'caller':93 'categori':122,157 'challeng':203 'commit':139 'connect':184 'content':190 'contract':66 'data':40,115 'decim':84 'demo':172 'doc':178 'document':176 'employe':4,19,38,42 'employee salary API' 'employee-data' 'endpoint':6,21,32,101,113,142,197 'equal':78 'financ':119,163 'focus':159 'header':99 'id':43 'infer':118 'infrastructur':165 'instant':133 'json':56 'json-response' 'key':87 'land':151 'limit':90 'list':146 'lowpaymentfee API' 'lowpaymentfee.com':34,110 'maximum':70 'metadata':204 'minimum':137 'network':63 'no-api-key' 'offer':112 'page':152,177 'part':103 'payment':48,57,98 'payroll data endpoint' 'paywal':3,18 'per':14,29,128 'per-request-billing' 'platform':108,131 'post':52 'price':124,179 'prompt':186 'protocol':49 'provid':35,149 'rate':89 'readm':180 'request':15,30,53,129 'request/response':193 'requir':92 'resourc':175 'return':55,181 'salari':5,20,39 'salary lookup' 'sampl':174 'schema':194 'settl':9,24,59 'simpli':94 'specif':41,141 'substant':189 'uniform':125 'unit':76 'unknown':199 'usd':80 'usdc':11,26,65,81 'usdc-settlement' 'use':64,82 'util':121,166 'via':45 'wallet':185 'x402':2,17,47,97,202 'x402 employee endpoint' 'x402-payment' 'x402-paywalled':1,16","prices":[{"id":"08b4225d-a41f-41d9-b7e4-ab417c5cff4a","listingId":"3b0e441f-41c3-4569-b0da-945c503204fd","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/109/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":"2026-04-21T18:32:13.644Z"}],"sources":[{"listingId":"3b0e441f-41c3-4569-b0da-945c503204fd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/109/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.644Z","lastSeenAt":"2026-04-25T08:33:44.463Z"}],"details":{"listingId":"3b0e441f-41c3-4569-b0da-945c503204fd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/109/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 x402 challenge specifies maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/109/salary"},{"claim":"The platform advertises $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/109/salary"},{"claim":"Documentation pages returned only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving salary information for a specific employee via a pay-per-call model","Demonstrating x402 payment protocol integration with a simple data endpoint","Building payroll or HR dashboards that pull salary data on demand"],"bestFor":["Developers experimenting with x402 payment protocol on Base","Agents needing on-demand employee salary data without API key management","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk payroll data exports across many employees (only one employee ID exposed)","Production HR systems requiring authenticated, auditable access controls","Users who need detailed documentation or response schema guarantees"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.049Z"},"updatedAt":"2026-04-25T08:33:44.463Z"}}