{"id":"3bb6f43d-c9f8-4699-ab0e-308e7bff90a3","shortId":"27bKB5","kind":"x402","title":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","tagline":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data (specifically employee record #157) via the x402 payment protocol. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (USD Coin) at a cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe broader lowpaymentfee.com platform advertises a wide catalog of pay-per-call APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints share the same $0.02/request pricing model and Base-network USDC settlement.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The specific data returned by the /api/v1/employees/157 endpoint is unknown beyond the stated mime type of application/json. The endpoint is confirmed live (returns a proper 402 challenge).","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","per-call-pricing","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","employee record","staff data","HR data endpoint","pay-per-call API","x402 API","USDC micropayment API","lowpaymentfee"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content","No OpenAPI or schema definition; request body format and response structure are completely unknown","The specific data returned by /api/v1/employees/157 is undocumented — 'Premium API Access' is the only description","The endpoint path suggests a single hardcoded employee record (#157); unclear if this is a demo or production resource"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/157","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/157","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 with a valid 402 challenge, but documentation is essentially nonexistent — no OpenAPI spec, no request/response schemas, no examples. The purpose of the /employees/157 endpoint is unclear beyond the generic 'Premium API Access' label. The score reflects a live but poorly documented 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'/api/v1/employees/157':205 '/docs':168 '/pricing':169 '/readme':172 '/request':17,34,154 '0.02':16,33,76,153 '000':80 '157':47 '20':79 '402':224 '6':84 'HR data endpoint' 'USDC micropayment API' 'accept':55 'access':40 'advertis':112 'ai/ml':125 'analysi':127 'analyt':124 'api':7,24,87,121 'application/json':215 'attach':96 'avail':198 'base':9,26,66,81,159 'base-network':158 'beyond':209 'broader':109 'call':4,21,120 'caller':94 'catalog':115 'challeng':225 'classif':129 'coin':71 'confirm':219 'connect':178 'content':184 'convers':146 'cost':74 'data':6,23,43,123,201 'decim':85 'document':163,193 'embed':130 'employe':5,22,42,45 'employee API' 'employee record' 'employee-data' 'endpoint':36,54,149,206,217 'estim':140 'exampl':196 'exchang':135 'extrem':165 'feed':134 'financ':131 'gas':139 'generat':147 'geocod':144 'header':101 'infrastructur':142 'json':60 'json-response' 'key':88 'limit':91 'live':220 'lowpaymentfee' 'lowpaymentfee.com':38,110 'mime':212 'model':156 'network':67,160 'no-api-key' 'openapi':188 'page':173 'pay':2,19,118 'pay-per-cal':1,18,117 'pay-per-call API' 'payload':197 'payment':51,61,100,106 'per':3,20,77,119 'per-call-pricing' 'platform':111 'post':56 'price':133,155 'prompt':180 'proof':107 'proper':223 'protocol':52 'provid':39 'quot':138 'rate':90,136 'record':46 'render':175 'request':57,78 'request/response':191 'requir':93 'return':59,202,221 'schema':192 'sentiment':126 'settl':10,27,63 'settlement':162 'share':150 'simpli':95 'span':122 'spars':166 'spec':189 'specif':44,200 'staff data' 'state':211 'summar':128 'token':137 'type':213 'unit':82 'unknown':208 'usd':70 'usdc':12,29,69,161 'usdc-settlement' 'use':68 'util':143 'valid':104,145 'via':13,30,48 'wallet':179 'web3':132 'wide':114 'x':99 'x-payment':98 'x402':14,31,50,105 'x402 API' 'x402-payment'","prices":[{"id":"dd10b2be-8124-4a23-bca1-b16f81a7150b","listingId":"3bb6f43d-c9f8-4699-ab0e-308e7bff90a3","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/157","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.818Z"}],"sources":[{"listingId":"3bb6f43d-c9f8-4699-ab0e-308e7bff90a3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/157","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.818Z","lastSeenAt":"2026-04-25T00:05:52.790Z"}],"details":{"listingId":"3bb6f43d-c9f8-4699-ab0e-308e7bff90a3","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/157 \\\n  -H \"X-PAYMENT: <x402-payment-proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a 402 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/157"},{"claim":"All endpoints priced at $0.02/request with no API keys, no rate limits, and 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/157"},{"claim":"Platform offers APIs across data & analytics, AI/ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee record data on demand with per-call payment","Integrating employee information into agent workflows without API key management","Programmatic access to structured employee data settled via crypto micropayments"],"bestFor":["Agents or applications needing on-demand employee data without subscription commitments","Developers experimenting with x402 pay-per-call patterns on Base","Low-volume or sporadic access to employee records where per-call pricing is economical"],"notFor":["High-volume bulk employee data retrieval where per-call costs add up","Use cases requiring detailed API documentation or guaranteed SLAs","Applications that cannot settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.404Z"},"updatedAt":"2026-04-25T00:05:52.790Z"}}