{"id":"b81d3863-fe90-4fa1-9fa1-5d5e13d64131","shortId":"AbfqSE","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 employee record #188) 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 broader suite 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 are priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. Payments are handled entirely through the x402 protocol on the Base L2 network.\n\nThe specific endpoint `/api/v1/employees/188` appears to be a data retrieval endpoint for a single employee record. No OpenAPI schema, detailed documentation, or example responses were found in the crawl — the docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no substantive content. The exact fields returned by this endpoint are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 data API","pay-per-request API","Base USDC API","lowpaymentfee","employee information endpoint"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no substantive content","The specific data returned for employee record 188 is completely undocumented","This endpoint path (/api/v1/employees/188) is not listed on the provider's homepage among their advertised APIs"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/188","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/188","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 confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documentation, no example request/response, and the purpose of the employee data endpoint is only inferable from the URL path. The docs pages returned no useful 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'/request':17,34 '0.02':16,33,83,134 '000':78 '0x8335':70 '188':47 '20':77 '2913':71 '6':88 'Base USDC API' 'accept':54 'access':40 'ai/ml':106 'analysi':108 'analyt':105 'api':7,24,102,139,194 'appear':165 'base':9,26,65,79,158 'base-network' 'broader':95 'call':4,21,101 'classif':110 'commit':147 'connect':200 'content':206 'contract':69 'convers':127 'cost':75 'crawl':189 'data':6,23,43,104,169 'decim':89 'detail':180 'doc':191 'document':181 'embed':111 'employe':5,22,42,45,175 'employee API' 'employee information endpoint' 'employee record lookup' 'employee-data' 'endpoint':36,130,163,171,213 'entir':151 'equal':82 'estim':121 'exact':208 'exampl':183 'exchang':116 'feed':115 'field':209 'financ':112 'found':186 'gas':120 'generat':128 'geocod':125 'handl':150 'host':93 'infrastructur':123 'json':59 'json-response' 'key':140 'l2':159 'limit':143 'lowpaymentfee' 'lowpaymentfee.com':38,92 'maximum':74 'minimum':146 'network':66,160 'no-api-key' 'openapi':178 'page':195 'pay':2,19,99 'pay-per-cal':1,18,98 'pay-per-call' 'pay-per-request API' 'payment':51,60,148 'per':3,20,84,100,135 'post':55 'price':114,132,192 'prompt':202 'protocol':52,155 'provid':39,91 'quot':119 'rate':117,142 'record':46,176 'request':56,85,136 'respons':184 'retriev':170 'return':58,197,210 'schema':179 'sentiment':107 'settl':12,29,62 'singl':174 'span':103 'specif':44,162 'substant':205 'suit':96 'summar':109 'token':118 'unit':80 'unknown':215 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87 'util':124 'valid':126 'via':10,27,48 'wallet':201 'web3':113 'x402':11,28,50,154 'x402 data API' 'x402-payment'","prices":[{"id":"620f2028-c547-4b5f-9983-f153cb6a89c6","listingId":"b81d3863-fe90-4fa1-9fa1-5d5e13d64131","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/188","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:15.872Z"}],"sources":[{"listingId":"b81d3863-fe90-4fa1-9fa1-5d5e13d64131","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/188","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.872Z","lastSeenAt":"2026-04-24T17:34:04.203Z"}],"details":{"listingId":"b81d3863-fe90-4fa1-9fa1-5d5e13d64131","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/188 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","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 x402Version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/188"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/188"}],"useCases":["Retrieving employee record data on demand with per-call USDC micropayments","Integrating employee data lookups into agent workflows without API key management","Programmatic access to employee information settled via crypto rails"],"bestFor":["Agents needing on-demand employee data without subscription commitments","Developers who prefer crypto-native pay-per-call billing on Base","Low-volume or sporadic data lookups where flat-rate plans are wasteful"],"notFor":["High-volume bulk employee data exports (no batch endpoint documented)","Users who need detailed API documentation or schema guarantees before integrating","Non-crypto users who cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.992Z"},"updatedAt":"2026-04-24T17:34:04.203Z"}}