{"id":"47c7a4b4-8319-41a3-be3f-addcbb195b5a","shortId":"x5MfKy","kind":"x402","title":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data (specifically record #156) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals).\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. The platform advertises no API keys, no rate limits, and instant access. However, the specific endpoint `/api/v1/employees/156` is not listed on the provider's landing page among the advertised API categories, so its exact response schema and data source are unclear.\n\nDocumentation is extremely sparse: the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no example request/response, and no description of what fields the employee record contains. The endpoint is confirmed live (returns a proper 402 x402 challenge), but the lack of documentation means consumers must discover the response format empirically.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","pay-per-call","json-response","no-api-key"],"categories":["data"],"synonyms":["employee API","staff data endpoint","personnel record API","x402 data API","lowpaymentfee","pay-per-request API","employee lookup"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /api/v1/employees/156 path is not listed among the provider's advertised APIs","All documentation pages (/docs, /pricing, /README) render only a 'Connect wallet' prompt with no content","Response format and fields are entirely unknown — must be discovered empirically","The endpoint serves a single hardcoded employee ID (156); unclear if other IDs are supported"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/156","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/156","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI spec, no documentation, no example request/response, and the specific employee endpoint isn't even listed on the provider's own landing page. The response schema is completely 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'/api/v1/employees/156':133 '/docs':163 '/pricing':165 '/readme':167 '/request':17,34 '0.02':16,33,82,114 '000':77 '0x8335':69 '156':46 '20':76 '2913':70 '402':207 '6':87 'accept':53 'access':40,128 'advertis':119,145 'ai/ml':105 'among':143 'analyt':104 'api':7,24,101,121,146 'base':9,26,64,78 'base-network' 'broad':94 'call':4,21,100 'catalog':95 'categori':147 'challeng':209 'confirm':202 'connect':173 'consum':216 'contain':198 'contract':68 'cost':74 'data':6,23,43,103,154 'decim':88 'descript':191 'detail':180 'discov':218 'document':158,214 'empir':222 'employe':5,22,42,196 'employee API' 'employee lookup' 'employee-data' 'endpoint':36,132,200 'equal':81 'exact':150 'exampl':187 'extrem':160 'field':194 'finance/web3':107 'format':221 'host':92 'howev':129 'infer':106 'infrastructur':109 'instant':127 'json':58 'json-response' 'key':122 'lack':212 'land':141 'limit':125 'list':136 'live':203 'lowpaymentfee' 'lowpaymentfee.com':38,91 'maximum':73 'mean':215 'must':217 'network':65 'no-api-key' 'openapi':184 'page':142,168 'pay':2,19,98 'pay-per-cal':1,18,97 'pay-per-call' 'pay-per-request API' 'payment':50,59 'per':3,20,83,99,115 'personnel record API' 'platform':118 'post':54 'price':112 'prompt':175 'proper':206 'protocol':51 'provid':39,90,139 'rate':124 'record':45,197 'render':170 'request':55,84,116 'request/response':188 'respons':151,220 'return':57,204 'schema':152 'settl':12,29,61 'sourc':155 'span':102 'spars':161 'spec':185 'specif':44,131 'staff data endpoint' 'technic':179 'unclear':157 'unit':79 'usdc':14,31,67,85 'usdc-settlement' 'use':66,86 'util':110 'via':10,27,47 'wallet':174 'x402':11,28,49,208 'x402 data API' 'x402-payment'","prices":[{"id":"d11e8948-87ff-4ad8-8b7a-f67b5b077b66","listingId":"47c7a4b4-8319-41a3-be3f-addcbb195b5a","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/156","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.722Z"}],"sources":[{"listingId":"47c7a4b4-8319-41a3-be3f-addcbb195b5a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/156","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.722Z","lastSeenAt":"2026-04-25T01:33:25.202Z"}],"details":{"listingId":"47c7a4b4-8319-41a3-be3f-addcbb195b5a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/156 \\\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":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/156"},{"claim":"The provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/156"},{"claim":"Documentation pages render only a Connect wallet prompt with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee record data on-demand with per-call USDC micropayments","Integrating employee information into agent workflows without API key management","Testing x402 payment protocol integrations with a low-cost endpoint"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing keyless, pay-per-call data access on Base","Low-volume lookups where $0.02/request is acceptable"],"notFor":["Bulk employee data exports (no batch endpoint documented)","Production HR systems requiring well-documented schemas and SLAs","Users without USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.529Z"},"updatedAt":"2026-04-25T01:33:25.202Z"}}