{"id":"d85fd235-cf8c-4e28-8d32-a88a207b464b","shortId":"qKnN4s","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 (ID 114) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled in USDC on the Base network using the x402 \"exact\" scheme.\n\nThe x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. This is consistent with the provider's site-wide pricing of $0.02 per request. The provider advertises no API keys, no rate limits, and instant access — payment is the only authentication mechanism.\n\nThis endpoint is part of a broader platform (lowpaymentfee.com) that offers data & analytics, AI/ML inference, finance, and utility APIs, all at the same $0.02/request price point. However, this specific endpoint deals with sensitive personally identifiable information (employee SSN), which raises significant regulatory and ethical concerns. No documentation beyond the landing page was available; the docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","json-response","per-request-pricing"],"categories":["data","pii"],"synonyms":["employee SSN API","social security number lookup","employee PII endpoint","x402 data API","Base USDC micropayment API"],"warnings":["This endpoint returns Social Security Numbers (PII/sensitive data). Handling SSNs is subject to strict regulatory requirements (e.g., CCPA, GLBA, state SSN protection laws). Verify legal compliance before use.","No documentation, OpenAPI schema, or example responses are available — the actual response format is unknown.","The endpoint is hardcoded to employee ID 114; it is unclear whether other employee IDs are supported or what data is actually returned.","The provider's docs, pricing, API, and README pages contain no substantive content beyond a wallet-connect prompt.","The legitimacy and provenance of the SSN data served by this endpoint cannot be verified from available materials."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/114/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/114/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 documentation, no example request/response, and the endpoint serves highly sensitive PII (SSN) with no visible compliance or authorization framework. The docs pages are empty 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'0.02':12,26,91,109,153 '000':80 '0x8335':85 '114':45 '20':79 '2913':86 '6':95 'Base USDC micropayment API' 'accept':52 'access':123 'advertis':75,114 'ai/ml':143 'analyt':142 'api':116,148,186 'authent':128 'avail':183 'base':9,23,65,81,88 'behind':46 'beyond':178 'broader':136 'challeng':74 'concern':175 'connect':195 'consist':99 'content':201 'data':4,18,39,141 'deal':161 'decim':96 'doc':185 'document':177 'employe':2,16,34,43,167 'employee PII endpoint' 'employee SSN API' 'employee-data' 'endpoint':30,51,131,160 'equal':90 'ethic':174 'exact':70 'financ':145 'given':92 'howev':157 'id':44 'identifi':165 'infer':144 'inform':166 'instant':122 'json':57 'json-response' 'key':117 'land':180 'limit':120 'lowpaymentfee.com':32,138 'maxamountrequir':77 'mechan':129 'micropay':7,21 'network':10,24,66 'number':37 'offer':140 'page':181,190 'part':133 'payment':58,124 'paywal':49 'per':13,27,110 'per-request-pricing' 'person':164 'platform':137 'point':156 'post':53 'price':107,155,187 'prompt':197 'provid':102,113 'rais':170 'rate':119 'readm':189 'regulatori':172 'request':14,28,54,111 'retriev':1,15 'return':33,56,192 'scheme':71 'secur':36 'sensit':163 'settl':60 'signific':171 'site':105 'site-wid':104 'social':35 'social security number lookup' 'specif':42,159 'ssn':3,17,38,168 'ssn-lookup' 'substant':200 'unit':82 'usdc':62,84,93 'usdc-base' 'use':67 'util':147 'via':5,19 'wallet':196 'wide':106 'x402':6,20,48,69,73 'x402 data API' 'x402-payment'","prices":[{"id":"d0ec47fd-4b3b-42fb-84e8-f6aaae98c488","listingId":"d85fd235-cf8c-4e28-8d32-a88a207b464b","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/114/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":"2026-04-21T18:32:13.578Z"}],"sources":[{"listingId":"d85fd235-cf8c-4e28-8d32-a88a207b464b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/114/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.578Z","lastSeenAt":"2026-04-25T08:33:44.345Z"}],"details":{"listingId":"d85fd235-cf8c-4e28-8d32-a88a207b464b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/114/ssn \\\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 x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/114/ssn"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/114/ssn"}],"useCases":["Retrieving employee SSN for payroll or HR verification workflows","Programmatic access to sensitive employee identifiers behind a paywall","Agent-driven PII retrieval with per-call micropayments"],"bestFor":["Developers needing on-demand SSN data access without API key management","Automated HR or compliance workflows requiring employee identifiers","x402-compatible agents settling micropayments on Base"],"notFor":["Use cases requiring bulk employee data retrieval (single-employee endpoint)","Applications where handling PII/SSN data would violate regulatory requirements (GDPR, CCPA, etc.)","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.168Z"},"updatedAt":"2026-04-25T08:33:44.345Z"}}