{"id":"7ff57484-1aa7-4bd0-98e1-bb11e8e0d300","shortId":"WfPPqp","kind":"x402","title":"x402-gated employee salary endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated employee salary endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data behind an x402 paywall. The specific resource `/api/v1/employees/132/salary` returns salary information for employee ID 132 in JSON format. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme.\n\nThe endpoint charges a maximum of $0.02 per request (20,000 base units of USDC with 6 decimals). It accepts POST requests and requires no API keys or rate limits — access is granted purely through the x402 payment header. The provider's site lists a broad catalog of similarly priced endpoints spanning data analytics, AI/ML inference, finance, and utility services, all at $0.02 per call.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no detailed description of what fields the salary response contains. The endpoint is confirmed live (returns a valid 402 challenge), but the actual data quality and schema behind the paywall are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-request","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 paywall API","USDC micropayment API","lowpaymentfee"],"warnings":["No documentation available — all doc pages return only 'Connect wallet' with no content","No request or response schema provided; payload structure is unknown","The endpoint path suggests employee PII (salary data) which may have regulatory implications","Provider site lists many endpoints but none appear to have substantive documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/132/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/132/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 and returns a valid x402 402 challenge with clear pricing and network details. However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty stubs. The actual data behind the paywall is completely undocumented, making this effectively a stub 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'0.02':80,136 '000':84 '0x8335':67 '132':53 '20':83 '2913':68 '402':189 '6':90 'USDC micropayment API' 'accept':93 'access':34,104 'actual':193 'ai/ml':128 'analyt':127 'api':99,146 'base':8,22,62,85 'base-network' 'behind':39,198 'broad':119 'call':138 'catalog':120 'challeng':190 'charg':76 'confirm':184 'connect':155 'contain':180 'content':161 'contract':66 'crawl':144 'data':38,126,194 'decim':91 'descript':173 'detail':172 'doc':145 'document':139 'employe':4,18,36,51 'employee salary API' 'employee-salary-data' 'endpoint':6,20,30,75,124,182 'exact':72 'exampl':169 'extrem':141 'field':176 'financ':130 'format':56 'gate':3,17 'grant':106 'header':112 'id':52 'infer':129 'inform':49 'json':55 'key':100 'limit':103 'list':117 'live':185 'lowpaymentfee' 'lowpaymentfee.com':32 'maximum':78 'network':63 'no-api-key' 'openapi':165 'page':150 'pay':10,24 'pay-per-request':9,23 'payment':57,111 'payroll data endpoint' 'paywal':42,200 'per':11,25,81,137 'post':94 'price':123,147 'prompt':157 'provid':33,114 'pure':107 'qualiti':195 'rate':102 'readm':149 'request':12,26,82,95 'request/response':168 'requir':97 'resourc':45 'respons':179 'return':47,152,186 'salari':5,19,37,48,178 'salary lookup' 'schema':166,197 'scheme':73 'servic':133 'settl':59 'similar':122 'site':116 'span':125 'spars':142 'specif':44 'substant':160 'unit':86 'unknown':202 'usdc':14,28,65,88 'usdc-settlement' 'use':64 'util':132 'valid':188 'via':69 'wallet':156 'x402':2,16,41,71,110 'x402 paywall API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"b0370a78-de25-4e9f-bcfc-b496bec5db33","listingId":"7ff57484-1aa7-4bd0-98e1-bb11e8e0d300","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/132/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":"2026-04-21T18:32:13.810Z"}],"sources":[{"listingId":"7ff57484-1aa7-4bd0-98e1-bb11e8e0d300","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/132/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.810Z","lastSeenAt":"2026-04-25T07:04:07.931Z"}],"details":{"listingId":"7ff57484-1aa7-4bd0-98e1-bb11e8e0d300","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/132/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":"Endpoint returns a valid x402 402 challenge with USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/132/salary"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/employees/132/salary"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/132/salary"}],"useCases":["Retrieving salary information for a specific employee by ID","Integrating pay-per-request salary data into HR or payroll workflows","Agent-driven lookups of compensation data without API key management"],"bestFor":["Agents needing on-demand employee salary data with no subscription","Developers experimenting with x402 payment-gated APIs","Scenarios requiring keyless, per-call access to structured data"],"notFor":["Bulk payroll data exports (single-employee endpoint, no batch support documented)","Users who need detailed API documentation or guaranteed SLAs","Production HR systems requiring authenticated, auditable data sources"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.85Z"},"updatedAt":"2026-04-25T07:04:07.931Z"}}