{"id":"ec1d3a05-311f-43b7-b925-31264da9866d","shortId":"bSJz6a","kind":"x402","title":"Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.","tagline":"Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.","description":"This endpoint at lowpaymentfee.com returns employee SSN (Social Security Number) data for a specific employee record (employee ID 60) behind an x402 paywall. The endpoint accepts POST requests and is settled in USDC on the Base network at $0.02 per call (20,000 base units with 6 decimals). No API keys or rate limits are required — payment is handled entirely via the x402 protocol's X-PAYMENT header.\n\nThe provider lowpaymentfee.com hosts a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, and utility services, all priced at $0.02 per request. This particular endpoint is part of what appears to be a demo or sample employee data API. The response format is application/json.\n\nImportant caveat: This endpoint purports to return Social Security Numbers, which are highly sensitive personally identifiable information (PII). There is no documentation explaining the data source, whether the data is synthetic/demo, or what compliance measures are in place. Consumers should exercise extreme caution and verify the legitimacy and legality of using this endpoint before making any calls.","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data","ssn-lookup","pay-per-request","no-api-key","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","employee data API","x402 employee API","micropayment data access"],"warnings":["Endpoint returns Social Security Numbers — highly regulated PII. No compliance documentation, data source disclosure, or legal terms are provided.","No request or response schema available; impossible to verify what data is actually returned.","Documentation pages (/docs, /pricing, /api, /README) are effectively empty — only showing 'Connect wallet'.","It is unclear whether the employee data is real or synthetic/demo data.","This endpoint is scoped to a single employee ID (60); unclear if other IDs are supported."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/60/ssn","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/60/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, no examples, and the endpoint deals with highly sensitive PII (SSNs) with zero compliance or data-source information. The docs, pricing, and API pages on the site are essentially empty (just 'Connect 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'000':71 '20':70 '6':75 '60':47 'PII endpoint' 'accept':54 'ai/ml':114 'analyt':113 'api':78,110,142 'appear':133 'application/json':147 'base':9,23,64,72 'behind':48 'broad':103 'call':69,204 'catalog':104 'caution':190 'caveat':149 'complianc':181 'consum':186 'data':4,18,39,112,141,172,176 'decim':76 'demo':137 'document':169 'employe':2,16,34,43,45,140 'employee SSN lookup' 'employee data API' 'employee-data' 'endpoint':30,53,128,151,200 'entir':88 'exercis':188 'explain':170 'extrem':189 'financ':116 'format':145 'handl':87 'header':97 'high':160 'host':101 'id':46 'identifi':163 'import':148 'infer':115 'inform':164 'json-response' 'key':79 'legal':196 'legitimaci':194 'limit':82 'lowpaymentfee.com':32,100 'make':202 'measur':182 'micropay':7,21 'micropayment data access' 'network':10,24,65 'no-api-key' 'number':38,157 'part':130 'particular':127 'pay':107 'pay-per-request':106 'payment':85,96 'paywal':51 'per':13,27,68,108,124 'person':162 'pii':165 'place':185 'post':55 'price':121 'protocol':92 'provid':99 'purport':152 'rate':81 'record':44 'request':14,28,56,109,125 'requir':84 'respons':144 'retriev':1,15 'return':33,154 'sampl':139 'secur':37,156 'sensit':161 'servic':119 'settl':59 'social':36,155 'social security number API' 'sourc':173 'span':111 'specif':42 'ssn':3,17,35 'ssn-lookup' 'synthetic/demo':178 'unit':73 'usdc':61 'usdc-base-network' 'use':198 'util':118 'verifi':192 'via':5,19,89 'whether':174 'x':95 'x-payment':94 'x402':6,20,50,91 'x402 employee API' 'x402-payment'","prices":[{"id":"4e0813a7-176d-4a60-b316-65c2922f0ef3","listingId":"ec1d3a05-311f-43b7-b925-31264da9866d","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/60/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.413Z"}],"sources":[{"listingId":"ec1d3a05-311f-43b7-b925-31264da9866d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/60/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.413Z","lastSeenAt":"2026-04-24T08:04:07.457Z"}],"details":{"listingId":"ec1d3a05-311f-43b7-b925-31264da9866d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/60/ssn \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\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 402 with x402 challenge advertising USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/60/ssn"},{"claim":"Price is $0.02 per request (20000 base units, USDC 6 decimals)","source_url":"https://lowpaymentfee.com"},{"claim":"Provider advertises no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/60/ssn"}],"useCases":["Retrieving employee SSN data for authorized HR or payroll integrations","Testing x402 payment flows against a live endpoint","Demonstrating pay-per-request API patterns on Base network"],"bestFor":["Developers testing x402 protocol integrations","Agents needing pay-per-call data access without API key management","Exploring micropayment-gated API patterns"],"notFor":["Production use involving real SSNs without verified compliance and legal review","Users who need bulk employee data exports","Anyone without a clear legal basis for accessing SSN data"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.729Z"},"updatedAt":"2026-04-24T08:04:07.457Z"}}