{"id":"d633e7e2-9c0c-40c5-a273-2a5b84d60829","shortId":"gWa4Ry","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 #37) 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 (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 uniformly at $0.02 per request with no API keys, no rate limits, and no minimum commitments. Payments are made inline via the x402 protocol's X-PAYMENT header.\n\nThe specific endpoint `/api/v1/employees/37` is not listed on the provider's landing page among the advertised API categories, so its exact response schema and data source are unclear. No OpenAPI spec, detailed documentation, or example responses were found during the crawl — the docs, pricing, and README pages all returned only a \"Connect wallet\" prompt. The endpoint is confirmed live (returning a valid 402 challenge), but the lack of documentation about what employee data is returned and where it originates warrants caution.","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 employee endpoint","pay-per-request data API","USDC micropayment API","lowpaymentfee employee","Base network API"],"warnings":["This specific endpoint (/api/v1/employees/37) is not listed among the provider's advertised APIs on the landing page — its purpose and data source are unclear.","No OpenAPI specification or detailed documentation was found; docs/pricing/README pages all returned only 'Connect wallet'.","Response schema for employee data is completely unknown — no examples or field descriptions available.","The nature and origin of the 'employee' data is unverified; exercise caution with any PII-related data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/37","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/37","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming it works. However, this specific employee endpoint is not listed in the provider's own catalog, no OpenAPI spec exists, no documentation was retrievable (all pages returned only 'Connect wallet'), and there are no example responses or schema details for the employee data returned. Effectively a stub 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'/request':17,34 '0.02':16,33,83,136 '000':78 '0x8335':70 '20':77 '2913':71 '37':47 '402':225 '6':88 'Base network API' 'USDC micropayment API' 'accept':54 'access':40 'advertis':178 'ai/ml':106 'among':176 'analysi':109 'analyt':105 'api':7,24,102,141,179 'base':9,26,65,79 'base-network' 'broad':95 'call':4,21,101 'catalog':96 'categori':180 'caution':243 'challeng':226 'classif':111 'commit':149 'confirm':220 'connect':214 'contract':69 'convers':128 'cost':75 'crawl':203 'data':6,23,43,104,187,235 'decim':89 'detail':194 'doc':205 'document':195,231 'embed':112 'employe':5,22,42,45,234 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,131,165,218 'equal':82 'estim':122 'exact':183 'exampl':197 'exchang':117 'feed':116 'financ':113 'found':200 'gas':121 'generat':129 'geocod':126 'header':162 'host':93 'infer':107 'infrastructur':124 'inlin':153 'json':59 'json-response' 'key':142 'lack':229 'land':174 'limit':145 'list':169 'live':221 'lowpaymentfee employee' 'lowpaymentfee.com':38,92 'made':152 'maximum':74 'minimum':148 'network':66 'no-api-key' 'openapi':192 'origin':241 'page':175,209 'pay':2,19,99 'pay-per-cal':1,18,98 'pay-per-call' 'pay-per-request data API' 'payment':51,60,150,161 'per':3,20,84,100,137 'post':55 'price':115,133,206 'prompt':216 'protocol':52,157 'provid':39,91,172 'quot':120 'rate':118,144 'readm':208 'record':46 'request':56,85,138 'respons':184,198 'return':58,211,222,237 'schema':185 'sentiment':108 'settl':12,29,62 'sourc':188 'span':103 'spec':193 'specif':44,164 'summar':110 'token':119 'unclear':190 'uniform':134 'unit':80 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87 'util':125 'valid':127,224 'via':10,27,48,154 'wallet':215 'warrant':242 'web3':114 'x':160 'x-payment':159 'x402':11,28,50,156 'x402 employee endpoint' 'x402-payment'","prices":[{"id":"49feed15-b5ea-400a-831f-905800ddb474","listingId":"d633e7e2-9c0c-40c5-a273-2a5b84d60829","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/37","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.621Z"}],"sources":[{"listingId":"d633e7e2-9c0c-40c5-a273-2a5b84d60829","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/37","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.621Z","lastSeenAt":"2026-04-24T13:32:58.961Z"}],"details":{"listingId":"d633e7e2-9c0c-40c5-a273-2a5b84d60829","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/37 \\\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 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/37"},{"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":"The provider offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/37"}],"useCases":["Retrieving employee record data on a per-call payment basis without needing API keys","Demonstrating x402 protocol integration for pay-per-call data access","Agents autonomously purchasing structured employee data via crypto micropayments"],"bestFor":["Developers experimenting with x402 payment protocol integrations","AI agents that need to fetch data endpoints without pre-provisioned API keys","Low-volume, on-demand data retrieval where per-call pricing is preferred"],"notFor":["High-volume bulk employee data exports (pay-per-call adds up quickly)","Use cases requiring detailed documentation or guaranteed SLAs","Production systems needing well-documented response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.86Z"},"updatedAt":"2026-04-24T13:32:58.961Z"}}