{"id":"a1d97d86-0652-4fd3-8ec5-e98b07a3deeb","shortId":"zMeWSv","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 110) when called via POST. It is part of a broader suite of pay-per-request APIs offered by the same provider, spanning data analytics, AI/ML inference, finance, and utility categories. All endpoints on the platform use the x402 payment protocol, settling on the Base network in USDC.\n\nThe specific endpoint `/api/v1/employees/110/salary` charges a maximum of 20,000 base units of USDC (0.02 USD) per request, consistent with the provider's flat $0.02/request pricing across all listed APIs. Payment is made via the x402 `exact` scheme, meaning the caller includes a cryptographic payment proof in the `X-PAYMENT` header. No API keys, rate limits, or upfront commitments are required.\n\nDocumentation is extremely sparse. The provider's docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the salary response contains. The endpoint path suggests it returns salary data for a hardcoded employee ID (110), but it is unclear whether the ID is parameterizable or what the response payload looks like.","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","x402 salary lookup","USDC micropayment API","Base network API","pay-per-call data","lowpaymentfee API"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","Docs, pricing, API, and README pages all render only 'Connect wallet' with no technical content","Endpoint path is hardcoded to employee ID 110; unclear if other IDs are supported","No information on what fields the salary response contains","Provider appears to be a demo/showcase site for x402 protocol rather than a production data source"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/110/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/110/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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, and no meaningful documentation beyond a wallet-connect prompt. The endpoint path is hardcoded to employee ID 110 with no indication of parameterization. Effectively a stub 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'/request':121 '0.02':110,120 '000':105 '110':47,215 '20':104 'Base network API' 'USDC micropayment API' 'across':123 'addit':181 'ai/ml':73 'analyt':72 'api':64,126,150,168 'base':10,25,92,106 'base-network' 'broader':57 'call':4,19,49 'caller':137 'categori':78 'charg':100 'commit':156 'connect':176 'consist':114 'contain':201 'cryptograph':140 'data':7,22,71,209 'descript':194 'detail':183 'doc':166 'document':159 'employe':5,20,39,45,213 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,80,98,203 'exact':133 'exampl':191 'extrem':161 'field':197 'financ':75 'flat':119 'hardcod':212 'header':148 'id':46,214,222 'includ':138 'infer':74 'inform':41 'key':151 'like':231 'limit':153 'list':125 'look':230 'lowpaymentfee API' 'lowpaymentfee.com':37 'made':129 'maximum':102 'mean':135 'network':93 'no-api-key' 'offer':65 'openapi':187 'page':171 'parameteriz':224 'part':54 'path':204 'pay':2,17,61 'pay-per-cal':1,16 'pay-per-call data' 'pay-per-request':60 'payload':229 'payment':87,127,141,147 'payroll data endpoint' 'per':3,18,62,112 'platform':83 'post':51 'price':122,167 'prompt':178 'proof':142 'protocol':88 'provid':69,117,164 'rate':152 'readm':170 'render':173 'request':63,113 'request/response':190 'requir':158 'respons':200,228 'return':38,207 'salari':6,21,40,199,208 'schema':188 'scheme':134 'settl':13,28,89 'span':70 'spars':162 'specif':44,97 'suggest':205 'suit':58 'technic':182 'unclear':219 'unit':107 'upfront':155 'usd':111 'usdc':15,30,95,109 'usdc-settlement' 'use':84 'util':77 'via':11,26,50,130 'wallet':177 'whether':220 'x':146 'x-payment':145 'x402':12,27,33,86,132 'x402 salary lookup' 'x402-enabled':32 'x402-payment'","prices":[{"id":"adf4037f-15ac-4394-b5ab-ffb479509f77","listingId":"a1d97d86-0652-4fd3-8ec5-e98b07a3deeb","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/110/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":"2026-04-21T18:32:13.356Z"}],"sources":[{"listingId":"a1d97d86-0652-4fd3-8ec5-e98b07a3deeb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/110/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.356Z","lastSeenAt":"2026-04-25T10:03:59.192Z"}],"details":{"listingId":"a1d97d86-0652-4fd3-8ec5-e98b07a3deeb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/110/salary \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with an x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/110/salary"},{"claim":"maxAmountRequired is 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), which equals $0.02","source_url":"https://lowpaymentfee.com/api/v1/employees/110/salary"},{"claim":"The provider advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving salary information for a specific employee via a single paid API call","Demonstrating x402 payment protocol integration for data access","Building payroll or HR dashboards that source data from paid endpoints"],"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 or batch processing (single-employee endpoint)","Users who need detailed API documentation or response schema guarantees","Production HR systems requiring SLA-backed uptime and support"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.419Z"},"updatedAt":"2026-04-25T10:03:59.192Z"}}