{"id":"d4546d92-4322-4ec3-a355-b1f1c788e803","shortId":"ucTcLk","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 given employee ID, gated behind an x402 payment challenge. The endpoint uses the exact payment scheme on the Base network, accepting USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum amount of 20,000 base units — which, at 6 decimals for USDC, equals $0.02 per request.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers various pay-per-call APIs across data analytics, AI/ML, finance, and infrastructure categories, all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access — payment is handled entirely through the x402 protocol with an X-PAYMENT header.\n\nThe specific endpoint `/api/v1/employees/11/ssn` accepts POST requests and returns JSON. The path structure suggests a REST-style resource where `11` is an employee identifier. 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 nature of the data returned (SSNs) raises significant regulatory and privacy concerns — SSNs are highly sensitive personally identifiable information (PII) subject to strict handling requirements in most jurisdictions.","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","SSN retrieval service","x402 employee API"],"warnings":["Endpoint claims to return Social Security Numbers (SSNs), which are highly sensitive PII subject to strict regulatory requirements (e.g., GLBA, state privacy laws). Verify legal compliance before use.","No documentation, OpenAPI schema, or example responses are available — the docs/pricing/API pages all render only a wallet-connect prompt.","The legitimacy and source of the employee data is entirely unknown. This could be synthetic/demo data or could raise serious legal issues if real.","No rate limit or access control information beyond the x402 payment gate."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/11/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/11/ssn","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 captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no example request/response, and documentation pages are empty stubs. The endpoint purports to serve highly sensitive PII (SSNs) with no visible compliance, authorization, or data provenance information, which is a major red 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'0.02':12,26,82,113 '000':72 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':65 '11':162 '20':71 '6':77 'PII endpoint' 'SSN retrieval service' 'accept':62,146 'access':127 'across':102 'advertis':118 'ai/ml':105 'amount':69 'analyt':104 'api':101,120,184 'base':9,23,60,73 'behind':46 'broader':91 'call':100 'categori':109 'challeng':50 'concern':209 'connect':190 'content':196 'contract':64 'crawl':179 'data':4,18,39,103,201 'decim':78 'detail':170 'doc':181 'document':171 'employe':2,16,34,43,165 'employee SSN lookup' 'employee data API' 'employee-data-lookup' 'endpoint':30,52,86,144 'entir':131 'equal':81 'exact':55 'exampl':173 'financ':106 'found':176 'gate':45 'given':42 'handl':130,221 'header':141 'high':212 'id':44 'identifi':166,215 'inform':216 'infrastructur':108 'instant':126 'json':151 'jurisdict':225 'key':121 'limit':124 'lowpaymentfee.com':32,93 'maximum':68 'micropay':7,21 'natur':198 'network':10,24,61 'no-api-key' 'number':37 'offer':95 'openapi':168 'page':185 'part':88 'path':153 'pay':98 'pay-per-cal':97 'pay-per-request' 'payment':49,56,128,140 'per':13,27,83,99,114 'person':214 'pii':217 'platform':92,117 'post':147 'price':111,182 'privaci':208 'prompt':192 'protocol':135 'rais':204 'rate':123 'regulatori':206 'request':14,28,84,115,148 'requir':222 'resourc':160 'respons':174 'rest':158 'rest-styl':157 'retriev':1,15 'return':33,150,187,202 'schema':169 'scheme':57 'secur':36 'sensit':213 'signific':205 'social':35 'social security number API' 'specif':143 'ssn':3,17,38 'ssn-retrieval' 'ssns':203,210 'strict':220 'structur':154 'style':159 'subject':218 'substant':195 'suggest':155 'unit':74 'usdc':63,80 'usdc-base-network' 'use':53 'various':96 'via':5,19 'wallet':191 'x':139 'x-payment':138 'x402':6,20,48,134 'x402 employee API' 'x402-payment'","prices":[{"id":"a7e4c888-c857-4522-90fb-d5591c506ab5","listingId":"d4546d92-4322-4ec3-a355-b1f1c788e803","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/11/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":"2026-04-21T18:32:13.405Z"}],"sources":[{"listingId":"d4546d92-4322-4ec3-a355-b1f1c788e803","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/11/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.405Z","lastSeenAt":"2026-04-25T10:03:59.274Z"}],"details":{"listingId":"d4546d92-4322-4ec3-a355-b1f1c788e803","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/11/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 accepting USDC on Base network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/11/ssn"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/11/ssn"},{"claim":"Docs, pricing, API, and README pages return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN for payroll or HR integrations","Programmatic access to employee PII for compliance workflows","Agent-driven identity verification lookups"],"bestFor":["Developers needing pay-per-call access to employee SSN data","Automated HR or payroll systems requiring SSN lookups","x402-compatible agents on Base network"],"notFor":["Use cases requiring bulk data export of employee records","Applications in jurisdictions where SSN handling is restricted without proper authorization","Users who need detailed API documentation or schema guarantees before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.312Z"},"updatedAt":"2026-04-25T10:03:59.274Z"}}