{"id":"0f3fd74f-95dd-42c5-9b0a-221753d827d0","shortId":"UK6QrH","kind":"x402","title":"x402-gated employee salary data endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated employee salary data endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 166) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of $0.02 per request (20,000 base units at 6 decimals).\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers a variety of x402-gated APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categories — all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access. However, the specific endpoint being listed here (`/api/v1/employees/166/salary`) is not mentioned on the provider's landing page among the advertised API categories, which raises questions about its intended use and whether it returns real or demo data.\n\nDocumentation is extremely sparse. The /docs, /api, /pricing, 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 is confirmed live (returns a proper 402 x402 challenge), but the lack of documentation makes it difficult to know what to expect from a successful paid request.","tags":[],"capabilities":["x402-payment","usdc-base","employee-salary-data","pay-per-request","json-response","post-method"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 salary","pay-per-call salary data","USDC API","Base network API"],"warnings":["No documentation available — /docs, /api, /pricing, /README all return only a wallet-connect prompt","This specific endpoint (/api/v1/employees/166/salary) is not listed among the provider's advertised API categories","No request or response schema available; response structure is unknown","Unclear whether this returns real employee data, synthetic/demo data, or placeholder content","Hardcoded employee ID (166) in the URL — unclear if other IDs are supported"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/166/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/166/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 challenge, but documentation is essentially nonexistent — no schema, no examples, no description of response fields. The specific employee salary endpoint is not listed among the provider's advertised APIs, raising uncertainty about whether it serves real or demo data. Score reflects a stub-level 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'/api/v1/employees/166/salary':137 '/docs':172 '/pricing':174 '/readme':176 '0.02':74,115 '000':78 '0x8335':67 '166':44 '20':77 '2913':68 '402':215 '6':82 'Base network API' 'USDC API' 'accept':51 'access':36,129 'across':102 'advertis':120,149 'ai':105 'among':147 'analyt':104 'api':101,122,150 'base':9,24,62,79 'broader':90 'categori':111,151 'challeng':217 'confirm':210 'connect':182 'contain':206 'content':188 'contract':66 'cost':72 'data':6,21,40,103,166 'decim':83 'demo':165 'descript':199 'difficult':225 'document':167,222 'employe':4,19,38,42 'employee salary API' 'employee-salary-data' 'endpoint':7,22,32,85,133,208 'exampl':196 'expect':230 'extrem':169 'field':202 'financ':107 'gate':3,18,100 'howev':130 'id':43 'infrastructur':110 'instant':128 'intend':157 'json':56 'json-response' 'key':123 'know':227 'lack':220 'land':145 'limit':126 'list':135 'live':211 'lowpaymentfee.com':34,92 'make':223 'maximum':71 'mention':140 'ml':106 'network':63 'offer':94 'openapi':192 'page':146,177 'paid':234 'part':87 'pay':11,26 'pay-per-call salary data' 'pay-per-request':10,25 'payment':48,57 'payroll data endpoint' 'per':12,27,75,116 'platform':91,119 'post':52 'post-method' 'price':113 'prompt':184 'proper':214 'protocol':49 'provid':35,143 'question':154 'rais':153 'rate':125 'real':163 'render':179 'request':13,28,53,76,117,235 'request/response':195 'respons':205 'return':55,162,212 'salari':5,20,39,204 'salary lookup' 'schema':193 'settl':59 'spars':170 'specif':41,132 'substant':187 'success':233 'unit':80 'usdc':15,30,65 'usdc-base' 'use':64,158 'varieti':96 'via':45 'wallet':183 'web3':108 'whether':160 'x402':2,17,47,99,216 'x402 salary' 'x402-gated':1,16,98 'x402-payment'","prices":[{"id":"29575955-2640-46e0-8dc9-771bb13da066","listingId":"0f3fd74f-95dd-42c5-9b0a-221753d827d0","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/166/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":"2026-04-21T18:32:15.334Z"}],"sources":[{"listingId":"0f3fd74f-95dd-42c5-9b0a-221753d827d0","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/166/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.334Z","lastSeenAt":"2026-04-24T21:32:51.367Z"}],"details":{"listingId":"0f3fd74f-95dd-42c5-9b0a-221753d827d0","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/166/salary \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/166/salary"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/166/salary"}],"useCases":["Retrieving salary information for a specific employee record","Demonstrating x402 micropayment integration with a data endpoint","Testing pay-per-request workflows on the Base network"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand salary data lookups","Prototyping micropayment-gated data access"],"notFor":["Bulk payroll data exports (single-employee endpoint, no batch support documented)","Production HR systems requiring authenticated, auditable access","Users without USDC on Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.713Z"},"updatedAt":"2026-04-24T21:32:51.367Z"}}