{"id":"68313105-ef15-4455-aebf-1fc1d91e8e4f","shortId":"hQc8G9","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 provides access to employee salary data via a simple POST request. The specific resource `/api/v1/employees/114/salary` returns salary information for employee ID 114 in JSON format. Payment is handled inline using the x402 protocol on the Base network, settling in USDC (contract 0x8335…2913) at a cost of $0.02 per request.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. The x402 challenge was successfully captured, confirming the endpoint is live and accepting payment-gated requests.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The endpoint's actual data content (what fields are returned for a salary lookup) must be inferred from the resource path alone. The employee ID 114 appears hardcoded in the URL, suggesting individual employee lookups are path-parameterized.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-call","no-api-key","json-response"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 API","pay-per-request API","USDC micropayment API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request and response formats are unknown","All documentation pages (docs, API, pricing, README) returned only 'Connect wallet' with no content","The employee ID 114 is hardcoded in the listed URL; it is unclear whether other IDs are valid or how to discover them","No information on data provenance or whether this returns real or synthetic salary data"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/114/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/114/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and confirms pricing and network details, but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no example payloads. The endpoint's actual data content is entirely unknown beyond what the URL path 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'0.02':85,119 '0x8335':79 '114':59,211 '2913':80 'USDC micropayment API' 'accept':144 'access':39 'actual':189 'addit':170 'ai/ml':109 'alon':207 'analyt':108 'api':105,124,156 'appear':212 'avail':185 'base':10,25,73 'base-network' 'broader':94 'call':4,19,104 'captur':137 'challeng':134 'commit':131 'confirm':138 'connect':165 'content':191 'contract':78 'cost':83 'crawl':154 'crypto':112 'data':7,22,43,107,190 'detail':172 'doc':155 'document':149 'dozen':99 'employe':5,20,41,57,209,219 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,89,140,187 'exampl':183 'extrem':151 'field':193 'financ':111 'format':62 'gate':147 'handl':65 'hardcod':213 'id':58,210 'individu':218 'infer':110,202 'inform':55 'inlin':66 'json':61 'json-response' 'key':125 'limit':128 'live':142 'lookup':199,220 'lowpaymentfee' 'lowpaymentfee.com':37,96 'must':200 'network':74 'no-api-key' 'offer':98 'openapi':176 'page':160 'parameter':224 'part':91 'path':206,223 'path-parameter':222 'pay':2,17,102 'pay-per-cal':1,16,101 'pay-per-call' 'pay-per-request API' 'payload':184 'payment':63,146 'payment-g':145 'payroll data endpoint' 'per':3,18,86,103,120 'platform':95 'post':47 'price':117,157 'prompt':167 'protocol':70 'provid':38 'rate':127 'readm':159 'request':48,87,121,148 'request/response':179 'resourc':51,205 'return':53,162,195 'salari':6,21,42,54,198 'salary lookup' 'schema':180 'servic':115 'settl':13,28,75 'simpl':46 'span':106 'spars':152 'spec':177 'specif':50 'success':136 'suggest':217 'technic':171 'url':216 'usdc':15,30,77 'usdc-settlement' 'use':67 'util':114 'via':11,26,44 'wallet':166 'x402':12,27,33,69,133 'x402 API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"7046a69d-4e3a-4ebf-af2d-37d5aa99894a","listingId":"68313105-ef15-4455-aebf-1fc1d91e8e4f","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/114/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":"2026-04-21T18:32:13.471Z"}],"sources":[{"listingId":"68313105-ef15-4455-aebf-1fc1d91e8e4f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/114/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.471Z","lastSeenAt":"2026-04-23T10:31:44.358Z"}],"details":{"listingId":"68313105-ef15-4455-aebf-1fc1d91e8e4f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/114/salary \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge, confirming it is live on Base network settling in USDC","source_url":"https://lowpaymentfee.com/api/v1/employees/114/salary"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02 per request","source_url":"https://lowpaymentfee.com/api/v1/employees/114/salary"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/114/salary"}],"useCases":["Retrieving salary information for a specific employee by ID","Integrating employee compensation data into payroll or HR dashboards","Agent-driven salary lookups without pre-registration or API keys"],"bestFor":["Developers needing quick, keyless access to employee salary data","AI agents that can settle x402 micropayments on Base","Prototyping pay-per-call data integrations without subscription overhead"],"notFor":["Bulk payroll data exports (single-employee endpoint, no batch mode documented)","Users who cannot transact USDC on the Base network","Production HR systems requiring authenticated, auditable access controls"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.201Z"},"updatedAt":"2026-04-23T10:31:44.358Z"}}