{"id":"d3278dc8-862e-4efe-92bf-b8c8646d1215","shortId":"7KwjqP","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 (ID 180) 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 USD (USDC uses 6 decimals). The provider's landing page confirms a flat $0.02/request pricing model across all their API endpoints, with no API keys, no rate limits, and instant access.\n\nThis endpoint is part of a broader platform (lowpaymentfee.com) that offers data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all at the same $0.02 per-call price point. Documentation beyond the landing page is essentially empty (pages return only a \"Connect wallet\" prompt), so the exact request body schema and response format for this SSN endpoint are unknown. The endpoint is live and returning a valid 402 challenge.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","per-call-micropayment","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII data endpoint","employee record API","SSN retrieval","x402 data API"],"warnings":["Endpoint exposes Social Security Number (SSN) data — a highly regulated category of PII. Ensure compliance with applicable laws (e.g., FCRA, state privacy laws) before use.","No request body schema or response schema is documented; callers must guess the expected input format.","Documentation pages (/docs, /api, /pricing, /README) are effectively empty, returning only 'Connect wallet'.","Only a single employee ID (180) is referenced in this endpoint URL; unclear if other IDs are supported or if this is a demo/test record.","The broader platform lists many API categories (AI, finance, analytics) all at $0.02 — unclear whether these are real production services or placeholders."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/180/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/180/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 and returns a valid x402 402 challenge, but there is no documentation, no request/response schema, no examples, and the endpoint exposes PII (SSN) with no visible compliance or authorization framework. The docs pages are all blank beyond a wallet connect 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'0.02':12,26,92,106,149 '000':81 '0x8335':86 '180':46 '20':80 '2913':87 '402':193 '6':96 'PII data endpoint' 'SSN retrieval' 'accept':53 'access':124 'across':110 'advertis':76 'ai/ml':138 'analyt':137 'api':113,117,144 'base':9,23,66,82,89 'behind':47 'beyond':156 'bodi':174 'broader':131 'call':152 'challeng':75,194 'confirm':103 'connect':167 'data':4,18,39,136 'decim':97 'document':155 'employe':2,16,34,43 'employee SSN lookup' 'employee record API' 'employee-data' 'empti':162 'endpoint':30,52,114,126,182,186 'equal':91 'essenti':161 'exact':71,172 'finance/web3':140 'flat':105 'format':178 'id':45 'infer':139 'infrastructur':142 'instant':123 'json':58 'json-response' 'key':118 'land':101,158 'limit':121 'live':188 'lowpaymentfee.com':32,133 'maxamountrequir':78 'micropay':7,21 'model':109 'network':10,24,67 'number':37 'offer':135 'page':102,159,163 'part':128 'payment':59 'paywal':50 'per':13,27,151 'per-cal':150 'per-call-micropayment' 'platform':132 'point':154 'post':54 'price':108,153 'prompt':169 'provid':99 'rate':120 'record':44 'request':14,28,55,173 'respons':177 'retriev':1,15 'return':33,57,164,190 'schema':175 'scheme':72 'secur':36 'settl':61 'social':35 'social security number API' 'specif':42 'ssn':3,17,38,181 'ssn-lookup' 'unit':83 'unknown':184 'usd':93 'usdc':63,85,94 'usdc-base' 'use':68,95 'util':143 'valid':192 'via':5,19 'wallet':168 'x402':6,20,49,70,74 'x402 data API' 'x402-payment'","prices":[{"id":"0b44952d-95d5-4229-a94b-39ccce642c63","listingId":"d3278dc8-862e-4efe-92bf-b8c8646d1215","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/180/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":"2026-04-21T18:32:15.526Z"}],"sources":[{"listingId":"d3278dc8-862e-4efe-92bf-b8c8646d1215","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/180/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.526Z","lastSeenAt":"2026-04-24T20:33:18.351Z"}],"details":{"listingId":"d3278dc8-862e-4efe-92bf-b8c8646d1215","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/180/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 returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/180/ssn"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/180/ssn"},{"claim":"Flat pricing of $0.02 per request across all endpoints, no API keys, no rate limits","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving SSN data for a specific employee record via programmatic API call","Integrating employee identity verification into automated workflows","Demonstrating x402 micropayment-gated access to sensitive data"],"bestFor":["Developers needing on-demand access to employee PII without API key management","Agents that can settle x402 USDC payments on Base for per-call data access","Prototyping pay-per-call access patterns for sensitive data endpoints"],"notFor":["Bulk retrieval of employee records (only a single employee ID 180 is exposed at this URL)","Use cases requiring detailed API documentation or request/response schemas","Applications where handling PII (SSNs) raises regulatory or compliance concerns you haven't addressed"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.476Z"},"updatedAt":"2026-04-24T20:33:18.351Z"}}