{"id":"12bb2d33-7763-476d-b961-124ca622d57e","shortId":"t5bsTp","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 27) 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 provider (lowpaymentfee.com) hosts a broader catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request on the Base network. However, this specific listing covers only the `/api/v1/employees/27/salary` endpoint. The x402 challenge was successfully captured (HTTP 402 with a valid accepts block), confirming the endpoint is live.\n\nDocumentation is extremely sparse — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The exact structure of the salary response and what POST body (if any) is expected are unknown.","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","salary lookup","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request body and response format are unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content","This endpoint targets a single hardcoded employee ID (27); generalizability is unclear","Provider description is generic ('Premium API Access') with no endpoint-specific detail"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/27/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/27/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but 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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'0.02':67,118 '27':47 '402':141 'Base network API' 'USDC micropayment API' 'accept':145 'ai/ml':109 'analyt':108 'api':74,105,159 'attach':85 'avail':187 'base':10,25,57,123 'base-network' 'block':146 'bodi':198 'broader':98 'call':4,19,104 'caller':83 'captur':139 'catalog':99 'challeng':136 'coin':62 'commit':82 'confirm':147 'connect':167 'cost':65 'cover':129 'data':7,22,107 'detail':174 'doc':157 'document':152 'employe':5,20,39,45 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,71,133,149 'exact':189 'exampl':185 'expect':202 'extrem':154 'finance/web3':111 'header':89 'host':96 'howev':125 'http':140 'id':46 'infer':110 'inform':41 'infrastructur':113 'key':75 'limit':78 'list':128 'live':151 'lowpaymentfee' 'lowpaymentfee.com':37,95 'network':58,124 'no-api-key' 'openapi':178 'page':162 'pay':2,17,102 'pay-per-cal':1,16,101 'pay-per-call' 'payload':186 'payment':52,88 'payroll data endpoint' 'per':3,18,68,103,119 'post':50,197 'price':116,158 'prompt':169 'provid':94 'rate':77 'readm':161 'render':164 'request':51,69,92,120 'request/response':181 'requir':72 'respons':194 'return':38 'salari':6,21,40,193 'salary lookup' 'schema':182 'settl':13,28,54 'simpli':84 'span':106 'spars':155 'spec':179 'specif':44,127 'structur':190 'success':138 'technic':173 'unknown':204 'upfront':81 'usd':61 'usdc':15,30,60 'usdc-settlement' 'use':59 'util':114 'valid':144 'via':11,26,48 'wallet':168 'x402':12,27,33,87,135 'x402 paid API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"0b649d22-8916-4559-b211-6662a9effd89","listingId":"12bb2d33-7763-476d-b961-124ca622d57e","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/27/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":"2026-04-21T18:32:16.049Z"}],"sources":[{"listingId":"12bb2d33-7763-476d-b961-124ca622d57e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/27/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.049Z","lastSeenAt":"2026-04-23T07:32:07.717Z"}],"details":{"listingId":"12bb2d33-7763-476d-b961-124ca622d57e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/27/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 HTTP 402 with x402 challenge on POST, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/employees/27/salary"},{"claim":"Payment is 20000 base units of USDC (6 decimals) = $0.02 on the Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/27/salary"},{"claim":"Provider advertises $0.02/request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/27/salary"}],"useCases":["Retrieving salary information for a specific employee via a paid API call","Integrating pay-per-call salary data into HR or payroll workflows","Demonstrating x402 payment protocol usage on the Base network"],"bestFor":["Agents or apps needing on-demand employee salary data without subscription commitments","Developers experimenting with x402 micropayment-gated APIs","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk payroll data exports across many employees (only employee 27 is addressed by this endpoint)","Users who need detailed API documentation or response schema guarantees before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.762Z"},"updatedAt":"2026-04-23T07:32:07.717Z"}}