{"id":"4ad554bc-06a9-4c4a-823a-c58649ea9378","shortId":"dXXrWG","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 salary information for a specific employee (ID 48) 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 offers instant access — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe provider, lowpaymentfee.com, hosts a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request. This particular endpoint sits under what appears to be an HR or employee data domain (`/api/v1/employees/{id}/salary`). However, there is no public documentation describing the request body schema, response fields, or what data is actually returned beyond the generic \"Premium API Access\" label. The docs, pricing, and README pages all render only a wallet-connect prompt with no additional content.\n\nBecause there is no OpenAPI spec, no example responses, and no documentation beyond the landing page listing, the actual data returned by this endpoint is unknown. Callers should be prepared for an opaque JSON response and should test with a small payment first.","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","HR salary lookup","x402 salary API","pay-per-request employee data","lowpaymentfee salary"],"warnings":["No API documentation available — docs, pricing, and README pages are empty","No OpenAPI or output schema describing request body or response fields","Purpose inferred solely from URL path; actual response content is unknown","Only a single employee ID (48) is exposed at this specific endpoint URL"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/48/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/48/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 (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no documentation of request/response schemas, no example payloads, and the docs/pricing/README pages are empty beyond a wallet-connect prompt. The purpose of the endpoint (employee salary data) is only inferable from the URL 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'/salary':141 '0.02':66,121 '48':46 'HR salary lookup' 'access':81,166 'actual':159,204 'addit':184 'ai/ml':112 'analyt':111 'api':73,108,165 'appear':130 'attach':84 'base':10,25,56 'base-network' 'beyond':161,198 'bodi':151 'broad':101 'call':4,19,107 'caller':82,212 'catalog':102 'coin':61 'connect':180 'content':185 'cost':64 'data':7,22,110,137,157,205 'describ':148 'doc':169 'document':147,197 'domain':138 'employe':5,20,44,136 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,70,126,209 'exampl':193 'field':154 'finance/web3':114 'first':228 'generic':163 'header':89 'host':99 'howev':142 'hr':134 'id':45,140 'infer':113 'inform':40 'infrastructur':116 'instant':80 'json':219 'key':74 'label':167 'land':200 'limit':77 'list':202 'lowpaymentfee salary' 'lowpaymentfee.com':37,98 'network':57 'no-api-key' 'offer':79 'opaqu':218 'openapi':190 'page':173,201 'particular':125 'pay':2,17,105 'pay-per-cal':1,16,104 'pay-per-call' 'pay-per-request employee data' 'payment':51,88,94,227 'payroll data endpoint' 'per':3,18,67,106,122 'post':49 'premium':164 'prepar':215 'price':119,170 'prompt':181 'proof':95 'provid':97 'public':146 'rate':76 'readm':172 'render':175 'request':50,68,123,150 'requir':71 'respons':153,194,220 'return':38,160,206 'salari':6,21,39 'schema':152 'settl':13,28,53 'simpli':83 'sit':127 'small':226 'span':109 'spec':191 'specif':43 'test':223 'unknown':211 'usd':60 'usdc':15,30,59 'usdc-settlement' 'use':58 'util':117 'valid':92 'via':11,26,47 'wallet':179 'wallet-connect':178 'x':87 'x-payment':86 'x402':12,27,33,93 'x402 salary API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"53e5e1db-09e0-4f0f-9ea6-66536ff428bf","listingId":"4ad554bc-06a9-4c4a-823a-c58649ea9378","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/48/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":"2026-04-21T18:32:17.018Z"}],"sources":[{"listingId":"4ad554bc-06a9-4c4a-823a-c58649ea9378","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/48/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.018Z","lastSeenAt":"2026-04-23T04:32:04.242Z"}],"details":{"listingId":"4ad554bc-06a9-4c4a-823a-c58649ea9378","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/48/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 HTTP 402 with x402 challenge advertising USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/48/salary"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/employees/48/salary"},{"claim":"Provider advertises $0.02/request pricing with 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/48/salary"}],"useCases":["Retrieving salary information for a specific employee on demand","Integrating employee compensation data into payroll or HR workflows","Agent-driven lookups of salary records without API key management"],"bestFor":["Agents needing on-demand employee salary data with crypto micropayments","Developers who want keyless, pay-per-call access to HR data","Workflows on Base network that already hold USDC"],"notFor":["Bulk payroll data exports across many employees (only one employee ID exposed)","Users who need detailed API documentation or guaranteed SLAs","Non-crypto users who cannot settle payments on Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.342Z"},"updatedAt":"2026-04-23T04:32:04.242Z"}}