{"id":"c74d47ec-97f1-4a8a-8ca8-ebbefca121d2","shortId":"YMJESs","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 188) 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, with a maximum amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).\n\nThe provider site (lowpaymentfee.com) hosts a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, and utility services, all priced at $0.02 per request. No API keys or rate limits are advertised; access is granted purely via the x402 payment header. However, documentation beyond the landing page is essentially empty (all sub-pages just show \"Connect wallet\"), so there is no schema documentation for request bodies or response formats for this specific endpoint.\n\nThis particular endpoint raises significant concerns: it purports to serve personally identifiable information (an employee's SSN). Consumers should exercise extreme caution regarding the legality and ethical implications of purchasing or using such data. The legitimacy and provenance of the data behind this endpoint cannot be verified from the available material.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","json-response","per-request-pricing"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 data API","Base USDC micropayment API"],"warnings":["This endpoint claims to serve Social Security Numbers (PII). Accessing, purchasing, or using SSN data may violate federal and state privacy laws (e.g., GLBA, state SSN protection statutes) unless you have lawful authorization.","No documentation exists for request body schema or response format — all doc pages return only 'Connect wallet'.","Data provenance and legitimacy cannot be verified from available material.","The endpoint is hardcoded to employee ID 188; it is unclear whether other employee IDs are supported or if this is a demo/test record."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/188/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/188/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 zero documentation on request/response schemas, no OpenAPI spec, and the docs/pricing/README pages are all empty. The endpoint serves highly sensitive PII (SSN), raising serious regulatory and ethical red flags that further reduce the 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'000':79 '188':46 '20':78 '6':87 'Base USDC micropayment API' 'PII endpoint' 'accept':53 'access':125 'advertis':124 'ai/ml':105 'amount':76 'analyt':104 'api':101,118 'avail':216 'base':9,23,66,80 'behind':47,208 'beyond':136 'bodi':159 'broad':95 'cannot':211 'catalog':96 'caution':188 'concern':172 'connect':149 'consum':184 'data':4,18,39,103,200,207 'decim':88 'document':135,156 'employe':2,16,34,43,181 'employee SSN lookup' 'employee-data' 'empti':142 'endpoint':30,52,166,169,210 'essenti':141 'ethic':193 'exact':71 'exercis':186 'extrem':187 'financ':107 'format':162 'gate':100 'given':84 'grant':127 'header':133 'host':93 'howev':134 'i.e':82 'id':45 'identifi':178 'implic':194 'infer':106 'inform':179 'json':58 'json-response' 'key':119 'land':138 'legal':191 'legitimaci':202 'limit':122 'lowpaymentfee.com':32,92 'materi':217 'maximum':75 'micropay':7,21 'network':10,24,67 'number':37 'page':139,146 'particular':168 'payment':59,132 'paywal':50 'per':13,27,115 'per-request-pricing' 'person':177 'post':54 'price':112 'proven':204 'provid':90 'purchas':196 'pure':128 'purport':174 'rais':170 'rate':121 'record':44 'regard':189 'request':14,28,55,116,158 'respons':161 'retriev':1,15 'return':33,57 'schema':155 'scheme':72 'secur':36 'serv':176 'servic':110 'settl':61 'show':148 'signific':171 'site':91 'social':35 'social security number API' 'span':102 'specif':42,165 'ssn':3,17,38,183 'ssn-lookup' 'sub':145 'sub-pag':144 'unit':81 'usdc':63,85 'usdc-base' 'use':68,198 'util':109 'verifi':213 'via':5,19,129 'wallet':150 'x402':6,20,49,70,99,131 'x402 data API' 'x402-gated':98 'x402-payment'","prices":[{"id":"be0e5be5-07fe-45e0-8eaf-c03f3d52f4fa","listingId":"c74d47ec-97f1-4a8a-8ca8-ebbefca121d2","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/188/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":"2026-04-21T18:32:15.466Z"}],"sources":[{"listingId":"c74d47ec-97f1-4a8a-8ca8-ebbefca121d2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/188/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.466Z","lastSeenAt":"2026-04-24T20:03:38.460Z"}],"details":{"listingId":"c74d47ec-97f1-4a8a-8ca8-ebbefca121d2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/188/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 on Base, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/188/ssn"},{"claim":"Site advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/188/ssn"},{"claim":"Documentation, pricing, and README pages contain no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for authorized payroll or HR integrations","Demonstrating x402 micropayment protocol usage on Base network","Testing x402 payment flows with a low-cost endpoint"],"bestFor":["Developers testing x402 payment integrations on Base","Authorized systems needing on-demand employee PII retrieval"],"notFor":["Unauthorized access to personal data — may violate privacy laws","Production use without verifying data legitimacy and legal compliance","Anyone without a lawful basis to access SSN information"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.58Z"},"updatedAt":"2026-04-24T20:03:38.460Z"}}