{"id":"4b9af313-4939-45e3-9b14-63601ec5241e","shortId":"ZMKK6N","kind":"x402","title":"Pay-per-call employee salary data endpoint on Base via x402 (USDC, $0.02/request).","tagline":"Pay-per-call employee salary data endpoint on Base via x402 (USDC, $0.02/request).","description":"This x402-enabled endpoint at lowpaymentfee.com returns salary information for a specific employee (ID 182) via a POST request. Payment is settled on the Base network using USDC at a cost of $0.02 per request (20,000 base units with 6 decimals). The endpoint requires no API keys, no rate limits, and provides instant access — you simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services, all priced at $0.02 per request on the Base network. However, this specific listing covers only the `/api/v1/employees/182/salary` endpoint. Documentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns a proper 402 x402 challenge), but the actual response format and accepted request body fields are unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-salary-data","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 employee data","Base USDC API","pay-per-request salary"],"warnings":["No OpenAPI or schema documentation available — request body and response format are entirely unknown","Docs, pricing, API, and README pages all render only 'Connect wallet' with no technical content","This endpoint targets a single hardcoded employee ID (182); unclear if other employee IDs are available","The provider's broader API catalog lists many endpoints but none are documented beyond titles and prices"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/182/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/182/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live via a valid 402 x402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the purpose of this specific employee salary endpoint is opaque. Effectively a stub 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'/request':15,30 '0.02':14,29,64,127 '000':68 '182':46 '20':67 '402':187 '6':72 'Base USDC API' 'accept':196 'access':86 'actual':192 'ai/ml':117 'analyt':116 'api':78,113,151 'attach':89 'avail':178 'base':10,25,56,69,132 'bodi':198 'broader':106 'call':4,19,112 'catalog':107 'challeng':189 'confirm':182 'connect':157 'cost':62 'cover':138 'data':7,22,115,120 'decim':73 'detail':164 'doc':148 'document':143,173 'employe':5,20,44 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,75,142,180 'exampl':176 'extrem':145 'field':199 'finance/web3':119 'format':194 'header':94 'host':104 'howev':134 'id':45 'infer':118 'inform':40 'instant':85 'key':79 'limit':82 'list':137 'live':183 'lowpaymentfee.com':37,103 'network':57,133 'no-api-key' 'openapi':168 'page':152 'pay':2,17,110 'pay-per-cal':1,16,109 'pay-per-call' 'pay-per-request salary' 'payload':177 'payment':51,93,99 'payroll data endpoint' 'per':3,18,65,111,128 'post':49 'price':125,149 'prompt':159 'proof':100 'proper':186 'provid':84,102 'rate':81 'render':154 'request':50,66,129,197 'request/response':171 'requir':76 'respons':193 'return':38,184 'salari':6,21,39 'salary lookup' 'schema':172 'servic':123 'settl':53 'simpli':88 'span':114 'spars':146 'spec':169 'specif':43,136 'technic':163 'unit':70 'unknown':201 'usdc':13,28,59 'usdc-base' 'use':58 'util':122 'valid':97 'via':11,26,47 'wallet':158 'x':92 'x-payment':91 'x402':12,27,33,98,188 'x402 employee data' 'x402-enabled':32 'x402-payment'","prices":[{"id":"edfe3747-6013-48be-a176-aceab3999207","listingId":"4b9af313-4939-45e3-9b14-63601ec5241e","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/182/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":"2026-04-21T18:32:15.569Z"}],"sources":[{"listingId":"4b9af313-4939-45e3-9b14-63601ec5241e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/182/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.569Z","lastSeenAt":"2026-04-24T20:03:38.576Z"}],"details":{"listingId":"4b9af313-4939-45e3-9b14-63601ec5241e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/182/salary \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","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 maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/182/salary"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/182/salary"},{"claim":"Provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving salary information for employee ID 182 via a single paid API call","Integrating pay-per-call employee data into agent workflows without managing API keys","Demonstrating x402 payment protocol usage on the Base network"],"bestFor":["Agents needing on-demand employee salary data without subscription commitments","Developers experimenting with x402 payment-gated APIs on Base","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk payroll data exports across many employees (only one employee ID exposed)","Use cases requiring detailed API documentation or guaranteed SLAs","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.423Z"},"updatedAt":"2026-04-24T20:03:38.576Z"}}