{"id":"0b5c15bb-0932-4baf-9bff-40b3a8e0a07c","shortId":"RAmLyh","kind":"x402","title":"x402-gated employee salary endpoint on Base, paid per-request in USDC.","tagline":"x402-gated employee salary endpoint on Base, paid per-request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 89) behind an x402 paywall. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme.\n\nThe endpoint charges a maximum of 20,000 base units of USDC per request. Since USDC uses 6 decimals, this equals $0.02 per call — consistent with the provider's site-wide flat pricing of $0.02/request. The provider advertises no API keys, no rate limits, and instant access; you simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe broader lowpaymentfee.com platform hosts a variety of x402-gated APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services, all at the same $0.02/request price point. However, this specific endpoint (/api/v1/employees/89/salary) is not listed on the provider's landing page among the advertised API categories. Its purpose — returning salary information for a single hardcoded employee ID — appears to be a demo or test endpoint rather than a production data service. No OpenAPI schema, request/response examples, or detailed documentation were found; the docs, pricing, and API pages all rendered only a \"Connect wallet\" prompt with no further content.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","per-request-billing"],"categories":["data"],"synonyms":["employee salary API","paywall API","x402 endpoint","USDC micropayment API","pay-per-call API","Base network API","salary lookup"],"warnings":["This specific endpoint (/api/v1/employees/89/salary) is not listed among the provider's advertised API categories — it may be a test or demo endpoint.","No documentation, OpenAPI spec, or example request/response bodies are available.","Docs, pricing, and API pages render only 'Connect wallet' with no usable content.","The endpoint is hardcoded to employee ID 89; unclear if other IDs are supported or what data is returned."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/89/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/89/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, no meaningful documentation, and the endpoint appears to be a demo for a single hardcoded employee ID not listed among the provider's advertised 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'/request':107,161 '0.02':92,106,160 '000':78 '0x8335':64 '20':77 '2913':65 '6':88 '89':42 'Base network API' 'USDC micropayment API' 'accept':48 'access':34,119 'advertis':110,180 'ai/ml':149 'among':178 'analyt':148 'api':112,145,181,222 'appear':194 'attach':122 'base':8,22,59,79 'base-network' 'behind':43 'broader':135 'call':94 'categori':182 'charg':73 'connect':228 'consist':95 'content':234 'contract':63 'data':38,147,152,206 'decim':89 'demo':198 'detail':214 'doc':219 'document':215 'employe':4,18,36,40,192 'employee salary API' 'employee-data' 'endpoint':6,20,30,72,167,201 'equal':91 'exact':69 'exampl':212 'finance/web3':151 'flat':103 'found':217 'gate':3,17,144 'hardcod':191 'header':127 'host':138 'howev':164 'id':41,193 'infer':150 'inform':187 'instant':118 'json':53 'json-response' 'key':113 'land':176 'limit':116 'list':171 'lowpaymentfee.com':32,136 'maximum':75 'network':60 'openapi':209 'page':177,223 'paid':9,23 'pay-per-call API' 'payment':54,126,132 'paywal':46 'paywall API' 'per':11,25,83,93 'per-request':10,24 'per-request-billing' 'platform':137 'point':163 'post':49 'price':104,162,220 'product':205 'prompt':230 'proof':133 'provid':33,98,109,174 'purpos':184 'rate':115 'rather':202 'render':225 'request':12,26,50,84 'request/response':211 'return':52,185 'salari':5,19,37,186 'salary lookup' 'schema':210 'scheme':70 'servic':155,207 'settl':56 'simpli':121 'sinc':85 'singl':190 'site':101 'site-wid':100 'span':146 'specif':39,166 'test':200 'unit':80 'usdc':14,28,62,82,86 'usdc-settlement' 'use':61,87 'util':154 'valid':130 'varieti':140 'via':66 'wallet':229 'wide':102 'x':125 'x-payment':124 'x402':2,16,45,68,131,143 'x402 endpoint' 'x402-gated':1,15,142 'x402-payment'","prices":[{"id":"78b346f9-7f9d-48b8-9a01-939e591b15d8","listingId":"0b5c15bb-0932-4baf-9bff-40b3a8e0a07c","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/89/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":"2026-04-21T18:32:17.708Z"}],"sources":[{"listingId":"0b5c15bb-0932-4baf-9bff-40b3a8e0a07c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/89/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.708Z","lastSeenAt":"2026-04-24T06:33:03.322Z"}],"details":{"listingId":"0b5c15bb-0932-4baf-9bff-40b3a8e0a07c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/89/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":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/employees/89/salary"},{"claim":"The provider advertises $0.02/request flat 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/89/salary"}],"useCases":["Retrieving salary data for employee 89 via a single paid API call","Demonstrating x402 payment flow integration on Base","Testing micropayment-gated API consumption in agent workflows"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need to demonstrate pay-per-call data retrieval","Testing USDC micropayment flows on Base"],"notFor":["Production HR or payroll systems needing bulk employee data","Users who need detailed API documentation or OpenAPI specs","Anyone looking for a general-purpose employee directory API"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.268Z"},"updatedAt":"2026-04-24T06:33:03.322Z"}}