{"id":"9a090b19-aac7-46db-be70-e31f4d5067a5","shortId":"XNvQnN","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 175) 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 no upfront commitments — callers simply attach an x402 payment header to each request.\n\nThe hosting site lowpaymentfee.com offers a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request and all using the x402 protocol on Base. This particular endpoint (`/api/v1/employees/175/salary`) is not listed on the site's public landing page among the advertised API categories, which raises questions about whether it is a demo/test endpoint or part of an unlisted HR data service.\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 is confirmed live (returns a proper 402 challenge), but without documentation or sample responses, integrators will need to experiment to understand the response format.","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","HR salary lookup","x402 salary API","pay-per-request salary","USDC micropayment API","lowpaymentfee"],"warnings":["No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet' with no content.","This specific endpoint (/api/v1/employees/175/salary) is not listed on the provider's public landing page among advertised APIs.","No request or response schema is available; response format is unknown.","The nature and source of the 'employee salary' data is undocumented — it may be synthetic/demo data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/175/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/175/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, but there is no OpenAPI schema, no request/response examples, and no meaningful documentation. The endpoint path (employees/175/salary) is not listed among the site's advertised APIs, making its purpose and data source unclear. Effectively a stub 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'0.02':67,119 '175':47 '402':215 'HR salary lookup' 'USDC micropayment API' 'advertis':146 'ai/ml':110 'among':144 'analyt':109 'api':74,106,147,174 'attach':85 'base':10,25,57,129 'base-network' 'broad':99 'call':4,19,105 'caller':83 'catalog':100 'categori':148 'challeng':216 'coin':62 'commit':82 'confirm':210 'connect':182 'contain':206 'content':188 'cost':65 'data':7,22,108,165 'demo/test':157 'descript':199 'doc':172 'document':167,219 'employe':5,20,39,45 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,71,132,158,208 'exampl':196 'experi':227 'extrem':169 'field':202 'finance/web3':112 'format':232 'header':89 'host':94 'hr':164 'id':46 'infer':111 'inform':41 'infrastructur':114 'integr':223 'key':75 'land':142 'limit':78 'list':136 'live':211 'lowpaymentfee' 'lowpaymentfee.com':37,96 'need':225 'network':58 'no-api-key' 'offer':97 'openapi':192 'page':143,177 'part':160 'particular':131 'pay':2,17,103 'pay-per-cal':1,16,102 'pay-per-call' 'pay-per-request salary' 'payment':52,88 'payroll data endpoint' 'per':3,18,68,104,120 'post':50 'price':117,173 'prompt':184 'proper':214 'protocol':127 'public':141 'question':151 'rais':150 'rate':77 'readm':176 'render':179 'request':51,69,92,121 'request/response':195 'requir':72 'respons':205,222,231 'return':38,212 'salari':6,21,40,204 'sampl':221 'schema':193 'servic':166 'settl':13,28,54 'simpli':84 'site':95,139 'span':107 'spars':170 'specif':44 'substant':187 'understand':229 'unlist':163 'upfront':81 'usd':61 'usdc':15,30,60 'usdc-settlement' 'use':59,124 'util':115 'via':11,26,48 'wallet':183 'whether':153 'without':218 'x402':12,27,33,87,126 'x402 salary API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"cfa1cb30-e511-4ce0-8e8a-44ea7f5ab109","listingId":"9a090b19-aac7-46db-be70-e31f4d5067a5","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/175/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":"2026-04-21T18:32:15.383Z"}],"sources":[{"listingId":"9a090b19-aac7-46db-be70-e31f4d5067a5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/175/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.383Z","lastSeenAt":"2026-04-23T07:32:07.025Z"}],"details":{"listingId":"9a090b19-aac7-46db-be70-e31f4d5067a5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/175/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 402 challenge with x402Version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units ($0.02).","source_url":"https://lowpaymentfee.com/api/v1/employees/175/salary"},{"claim":"The site advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on the Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/employees/175/salary"},{"claim":"Docs, pricing, API, and README pages render only a 'Connect wallet' prompt with no substantive documentation.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving salary information for a specific employee on demand","Integrating pay-per-call salary data into HR or payroll workflows","Demonstrating x402 payment protocol integration on Base"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand salary data without API key management","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk payroll data exports requiring thousands of records","Production HR systems needing comprehensive documentation and SLAs","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.7Z"},"updatedAt":"2026-04-23T07:32:07.025Z"}}