{"id":"2970c115-b8a3-48f5-a679-1837e7935cc7","shortId":"jvkBUL","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 Social Security Number (SSN) data for a specific employee record (employee ID 49). It is part of a broader platform offering various pay-per-request APIs across data analytics, AI/ML, finance, and infrastructure categories, all settled via the x402 protocol on the Base network using USDC.\n\nThe endpoint is live and returns a standard x402 payment challenge (HTTP 402) when called without payment. It accepts POST requests and requires an X-PAYMENT header containing a valid x402 payment proof. The price is $0.02 per request (20,000 base units of USDC, which has 6 decimals). Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on the Base network, with a maximum timeout of 300 seconds.\n\nImportant caveat: This endpoint purports to return SSN data, which is highly sensitive personally identifiable information (PII). There is no documentation explaining the provenance, authorization model, or legal basis for serving this data. The broader site offers dozens of endpoints at a flat $0.02 rate with no API keys and no rate limits, which raises significant questions about data legitimacy and compliance. No OpenAPI schema, detailed documentation, or example responses were found in the crawl.","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data-lookup","ssn-retrieval","pay-per-request","no-api-key"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","employee data API","x402 data access","micropayment SSN"],"warnings":["Endpoint serves Social Security Numbers (SSN), which is regulated PII — no compliance documentation, legal basis, or data provenance is provided.","No OpenAPI schema or response examples available; response format is unknown.","Site documentation pages (/docs, /pricing, /api, /README) are empty beyond a 'Connect wallet' prompt.","No rate limits and no API keys advertised — raises concerns about unauthorized bulk access to sensitive data.","Data legitimacy is unverified — this may be synthetic/demo data or potentially illegitimate."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/49/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/49/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documentation, no example responses, and the endpoint serves highly sensitive PII (SSN) with no visible compliance, authorization, or data provenance information. The broader site's docs/pricing/API pages all render only a 'Connect wallet' prompt with no actual 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'000':123 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':137 '20':122 '300':147 '402':94 '49':47 '6':130 'PII endpoint' 'accept':100 'across':62 'address':136 'ai/ml':65 'analyt':64 'api':61,196 'author':173 'base':9,23,78,124,140 'basi':177 'broader':53,183 'call':96 'categori':69 'caveat':150 'challeng':92 'complianc':210 'contain':110 'crawl':223 'data':4,18,39,63,157,181,207 'decim':131 'detail':214 'document':169,215 'dozen':186 'employe':2,16,34,43,45 'employee SSN lookup' 'employee data API' 'employee-data-lookup' 'endpoint':30,83,152,188 'exampl':217 'explain':170 'financ':66 'flat':191 'found':220 'header':109 'high':160 'http':93 'id':46 'identifi':163 'import':149 'inform':164 'infrastructur':68 'key':197 'legal':176 'legitimaci':208 'limit':201 'live':85 'lowpaymentfee.com':32 'made':134 'maximum':144 'micropay':7,21 'micropayment SSN' 'model':174 'network':10,24,79,141 'no-api-key' 'number':37 'offer':55,185 'openapi':212 'part':50 'pay':58 'pay-per-request':57 'payment':91,98,108,114,132 'per':13,27,59,120 'person':162 'pii':165 'platform':54 'post':101 'price':117 'proof':115 'protocol':75 'proven':172 'purport':153 'question':205 'rais':203 'rate':193,200 'record':44 'request':14,28,60,102,121 'requir':104 'respons':218 'retriev':1,15 'return':33,87,155 'schema':213 'second':148 'secur':36 'sensit':161 'serv':179 'settl':71 'signific':204 'site':184 'social':35 'social security number API' 'specif':42 'ssn':3,17,38,156 'ssn-retrieval' 'standard':89 'timeout':145 'unit':125 'usdc':81,127 'usdc-base-network' 'use':80 'valid':112 'various':56 'via':5,19,72 'without':97 'x':107 'x-payment':106 'x402':6,20,74,90,113 'x402 data access' 'x402-payment'","prices":[{"id":"11479f74-bc3d-4a4b-b4d8-67df36c29f59","listingId":"2970c115-b8a3-48f5-a679-1837e7935cc7","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/49/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":"2026-04-21T18:32:16.955Z"}],"sources":[{"listingId":"2970c115-b8a3-48f5-a679-1837e7935cc7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/49/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.955Z","lastSeenAt":"2026-04-24T10:33:55.426Z"}],"details":{"listingId":"2970c115-b8a3-48f5-a679-1837e7935cc7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/49/ssn \\\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 HTTP 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/49/ssn"},{"claim":"Price is $0.02 per request (20000 base units USDC with 6 decimals)","source_url":"https://lowpaymentfee.com"},{"claim":"Platform advertises no API keys, no rate limits, instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Payment address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with 300 second timeout","source_url":"https://lowpaymentfee.com/api/v1/employees/49/ssn"}],"useCases":["Retrieving employee SSN for payroll or HR verification workflows","Programmatic access to sensitive employee identifiers","Agent-driven identity verification pipelines"],"bestFor":["Developers needing pay-per-call access to employee PII without subscription commitments","Automated workflows requiring SSN data with crypto-native payment"],"notFor":["Production use without verifying legal compliance and data provenance","Anyone needing HIPAA, SOC2, or other compliance-certified PII access","Use cases requiring bulk data export or batch processing"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.405Z"},"updatedAt":"2026-04-24T10:33:55.426Z"}}