{"id":"448f2f00-57fe-46cd-9881-7fafe75e429c","shortId":"JHYakc","kind":"x402","title":"Pay-per-call employee salary data endpoint on Base via x402, $0.02/request in USDC.","tagline":"Pay-per-call employee salary data endpoint on Base via x402, $0.02/request in USDC.","description":"This x402-enabled endpoint at lowpaymentfee.com returns employee salary data for a specific employee (ID 196) via a POST request. It is part of a broader suite of pay-per-call APIs offered by the same provider, spanning data analytics, AI/ML inference, finance, and utility categories. All endpoints on the platform share a uniform $0.02 per request pricing model, settled in USDC on the Base network.\n\nThe endpoint uses the x402 payment protocol (version 1, \"exact\" scheme). When called without payment, it returns a 402 challenge specifying the USDC asset contract (0x8335…2913 on Base) and a maxAmountRequired of 20000 base units, which equals $0.02 (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are advertised; access is gated purely by micropayment.\n\nDocumentation is extremely sparse. The provider's docs, API, pricing, 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 information for employee 196, but the actual response structure is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","employee-salary-data","no-api-key","micropayment"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 micropayment API","Base USDC API","pay-per-request data"],"warnings":["No OpenAPI schema or response schema available — response structure is completely unknown","All documentation pages (docs, API, pricing, README) return only 'Connect wallet' with no content","Endpoint path is hardcoded to employee ID 196; unclear if other employee IDs are supported","No information on what 'salary' data fields are returned","Provider legitimacy and data source are unverifiable from available material"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/196/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/196/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 documentation, no OpenAPI schema, no request/response examples, and the endpoint serves a single hardcoded employee ID with no explanation of the data model. Effectively a stub 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'0.02':13,29,89,139 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':149 '0x8335':126 '1':109 '196':49,222 '20000':134 '2913':127 '300':152 '402':119 '6':142 'Base USDC API' 'access':163 'actual':225 'addit':191 'address':148 'advertis':162 'ai/ml':75 'analyt':74 'api':66,156,177 'asset':124 'base':10,26,99,129,135 'broader':59 'call':4,20,65,113 'categori':80 'challeng':120 'connect':186 'contain':211 'contract':125 'data':7,23,43,73 'decim':143 'descript':204 'detail':193 'doc':176 'document':169 'employe':5,21,41,47,221 'employee salary API' 'employee-salary-data' 'enabl':36 'endpoint':8,24,37,82,102,213 'equal':138 'exact':110 'exampl':201 'extrem':171 'field':207 'financ':77 'gate':165 'id':48 'infer':76 'inform':219 'key':157 'limit':160 'lowpaymentfee.com':39 'maxamountrequir':132 'micropay':168 'micropayment' 'model':93 'network':100 'no-api-key' 'offer':67 'openapi':197 'page':181 'part':56 'path':214 'pay':2,18,63 'pay-per-cal':1,17,62 'pay-per-call' 'pay-per-request data' 'payment':106,115,144 'payroll data endpoint' 'per':3,19,64,90 'platform':85 'post':52 'price':92,178 'prompt':188 'protocol':107 'provid':71,174 'pure':166 'rate':159 'readm':180 'render':183 'request':53,91 'request/response':200 'respons':210,226 'return':40,117,217 'salari':6,22,42,209,218 'salary lookup' 'schema':198 'scheme':111 'second':153 'sent':146 'settl':94 'share':86 'span':72 'spars':172 'specif':46 'specifi':121 'structur':227 'suggest':215 'suit':60 'technic':192 'timeout':154 'uniform':88 'unit':136 'unknown':229 'usdc':16,32,96,123,140 'usdc-base' 'use':103,141 'util':79 'version':108 'via':11,27,50 'wallet':187 'without':114 'x402':12,28,35,105 'x402 micropayment API' 'x402-enabled':34 'x402-payment'","prices":[{"id":"cad41d4d-74e9-49f8-a972-8dcf1564d3d6","listingId":"448f2f00-57fe-46cd-9881-7fafe75e429c","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/196/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":"2026-04-21T18:32:15.970Z"}],"sources":[{"listingId":"448f2f00-57fe-46cd-9881-7fafe75e429c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/196/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.970Z","lastSeenAt":"2026-04-24T17:34:04.358Z"}],"details":{"listingId":"448f2f00-57fe-46cd-9881-7fafe75e429c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/196/salary\n# Returns 402 with x402 challenge; attach X-PAYMENT header with valid USDC payment on Base to receive data.","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge, maxAmountRequired 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/196/salary"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/196/salary"},{"claim":"All APIs priced at $0.02 per request 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 on demand","Integrating pay-per-call salary data into HR or payroll workflows","Agent-driven data retrieval without API key management"],"bestFor":["Developers wanting keyless, micropayment-gated API access","Agents that can settle x402 payments on Base in USDC","One-off or low-volume salary data lookups"],"notFor":["Bulk employee data retrieval across many employees (only one employee ID exposed)","Users who need detailed API documentation or response schemas before integrating","Non-crypto users who cannot settle USDC payments on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.804Z"},"updatedAt":"2026-04-24T17:34:04.358Z"}}