{"id":"66818380-a91b-4809-8a81-1c40a79e2b39","shortId":"dEaQC2","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 172) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of $0.02 per request (20,000 base units at 6 decimals).\n\nThe provider site lowpaymentfee.com hosts a broad collection of x402-gated API endpoints spanning data analytics, AI/ML inference, finance, and utility categories, all priced at $0.02 per call. The platform advertises no API keys, no rate limits, and instant access — callers simply attach an x402 payment header to each request. However, this specific endpoint exposes what appears to be personally identifiable information (an employee's SSN), which raises significant regulatory and ethical concerns.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the response contains beyond the URL path implying SSN data. The endpoint is confirmed live (402 challenge captured), but the lack of documentation and the sensitive nature of the data warrant strong caution.","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data","ssn-lookup","json-response","micropayment"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 employee data","Base USDC micropayment API"],"warnings":["This endpoint appears to serve personally identifiable information (Social Security Numbers), which is subject to strict legal regulations in many jurisdictions. Use with extreme caution.","No documentation, OpenAPI schema, or response examples are available — the actual response format is unknown.","The provider's docs, pricing, and README pages returned no useful content (only 'Connect wallet' prompts).","Legitimacy of this data source is unverified; serving SSN data behind only a $0.02 paywall with no authentication or access controls is a major red flag.","No information on data provenance, accuracy, or whether this is synthetic/demo data versus real PII."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/172/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/172/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 confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation, no request/response schema, no examples, and the endpoint exposes highly sensitive PII (SSN) with no visible compliance or access-control 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'000':80 '0x8335':69 '172':46 '20':79 '2913':70 '402':211 '6':84 'Base USDC micropayment API' 'PII endpoint' 'accept':53 'access':126 'advertis':117 'ai/ml':103 'analyt':102 'api':98,119,166 'appear':143 'attach':129 'base':9,23,64,81 'behind':47 'beyond':199 'broad':92 'call':114 'caller':127 'captur':213 'categori':108 'caution':228 'challeng':212 'collect':93 'concern':159 'confirm':209 'connect':175 'contain':198 'content':181 'contract':68 'cost':74 'data':4,18,39,101,205,225 'decim':85 'descript':192 'doc':165 'document':160,218 'employe':2,16,34,43,150 'employee SSN lookup' 'employee-data' 'endpoint':30,52,99,140,207 'ethic':158 'exampl':189 'expos':141 'extrem':162 'field':195 'financ':105 'gate':97 'header':133 'host':90 'howev':137 'id':45 'identifi':147 'impli':203 'infer':104 'inform':148 'instant':125 'json':58 'json-response' 'key':120 'lack':216 'limit':123 'live':210 'lowpaymentfee.com':32,89 'maximum':73 'micropay':7,21 'micropayment' 'natur':222 'network':10,24,65 'number':37 'openapi':185 'page':170 'path':202 'payment':59,132 'paywal':50 'per':13,27,77,113 'person':146 'platform':116 'post':54 'price':110,167 'prompt':177 'provid':87 'rais':154 'rate':122 'readm':169 'record':44 'regulatori':156 'request':14,28,55,78,136 'request/response':188 'respons':197 'retriev':1,15 'return':33,57,172 'schema':186 'secur':36 'sensit':221 'settl':61 'signific':155 'simpli':128 'site':88 'social':35 'social security number API' 'span':100 'spars':163 'specif':42,139 'ssn':3,17,38,152,204 'ssn-lookup' 'strong':227 'substant':180 'unit':82 'url':201 'usdc':67 'usdc-base-network' 'use':66 'util':107 'via':5,19 'wallet':176 'warrant':226 'x402':6,20,49,96,131 'x402 employee data' 'x402-gated':95 'x402-payment'","prices":[{"id":"1e244447-72ef-476e-94b6-713c1d19309e","listingId":"66818380-a91b-4809-8a81-1c40a79e2b39","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/172/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":"2026-04-21T18:32:15.393Z"}],"sources":[{"listingId":"66818380-a91b-4809-8a81-1c40a79e2b39","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/172/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.393Z","lastSeenAt":"2026-04-24T21:04:37.781Z"}],"details":{"listingId":"66818380-a91b-4809-8a81-1c40a79e2b39","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/172/ssn \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\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 network, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/172/ssn"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/172/ssn"},{"claim":"Provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages returned only 'Connect wallet' with no substantive documentation","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN for payroll or HR verification workflows","Programmatic access to sensitive employee identifiers behind a paywall","Agent-driven identity verification requiring SSN data"],"bestFor":["Developers needing on-demand SSN retrieval with crypto micropayments","Automated HR or payroll systems with x402 payment capability","Agent workflows requiring employee PII with per-call pricing"],"notFor":["Anyone without a legitimate, lawful need to access SSN data","Use cases requiring bulk employee data exports","Applications where regulatory compliance (e.g., SOC 2, HIPAA) requires auditable access controls beyond a simple paywall"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.659Z"},"updatedAt":"2026-04-24T21:04:37.781Z"}}