{"id":"d8e6dc96-e9b4-487e-b195-4e24cd0a9ea7","shortId":"jqJB2v","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 128) 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, 6 decimals), which equals $0.02 per request. 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. The site also offers endpoints in categories like data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all at the same price point.\n\nDocumentation is extremely sparse. The /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint path suggests it returns personally identifiable information (an employee's SSN), which raises significant regulatory and ethical concerns around handling of sensitive PII.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","json-response","per-request-micropayment"],"categories":["data"],"synonyms":["employee SSN API","social security number lookup","PII endpoint","x402 data API","employee records API","Base USDC micropayment API"],"warnings":["Endpoint returns employee Social Security Numbers — highly sensitive PII subject to strict regulatory requirements (e.g., CCPA, GDPR, SOX). Verify legal compliance before use.","No request or response schema documentation is available; behavior must be discovered empirically.","No OpenAPI spec, no example payloads, and all doc pages render only 'Connect wallet' with no content.","The endpoint is scoped to a single hardcoded employee ID (128); unclear if other IDs are supported or how to discover them.","Provider legitimacy and data source are unknown — exercise extreme caution with any PII returned."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/128/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/128/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), but there is zero documentation on request/response schemas, no OpenAPI spec, no examples, and the endpoint deals with highly sensitive PII (SSNs) with no visible compliance or authorization 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'/docs':150 '/pricing':152 '/readme':154 '/request':105 '0.02':12,26,93,104 '000':80 '0x8335':85 '128':45 '20':79 '2913':86 '6':89 'Base USDC micropayment API' 'PII endpoint' 'accept':52 'access':122 'across':108 'advertis':75 'ai/ml':133 'also':125 'analyt':132 'api':111,115 'around':202 'avail':181 'base':9,23,65,81,88 'behind':46 'categori':129 'challeng':74 'concern':201 'confirm':101 'connect':160 'data':4,18,39,131 'decim':90 'detail':167 'document':145,176 'employe':2,16,34,43,192 'employee SSN API' 'employee records API' 'employee-data' 'endpoint':30,51,112,127,183 'equal':92 'ethic':200 'exact':70 'exampl':179 'extrem':147 'finance/web3':135 'flat':103 'handl':203 'id':44 'identifi':189 'infer':134 'inform':190 'infrastructur':137 'instant':121 'json':57 'json-response' 'key':116 'land':99 'like':130 'limit':119 'lowpaymentfee.com':32 'maxamountrequir':77 'micropay':7,21 'model':107 'network':10,24,66 'number':37 'offer':126 'openapi':171 'page':100,155 'path':184 'payload':180 'payment':58 'paywal':49 'per':13,27,94 'per-request-micropayment' 'person':188 'pii':206 'point':144 'post':53 'price':106,143 'prompt':162 'provid':97 'rais':196 'rate':118 'regulatori':198 'render':157 'request':14,28,54,95 'request/response':174 'retriev':1,15 'return':33,56,187 'schema':175 'scheme':71 'secur':36 'sensit':205 'settl':60 'signific':197 'site':124 'social':35 'social security number lookup' 'spars':148 'spec':172 'specif':42 'ssn':3,17,38,194 'ssn-lookup' 'suggest':185 'technic':166 'unit':82 'usdc':62,84 'usdc-base' 'use':67 'util':138 'via':5,19 'wallet':161 'x402':6,20,48,69,73 'x402 data API' 'x402-payment'","prices":[{"id":"656235a2-4b88-4333-989c-6a89c98d6dac","listingId":"d8e6dc96-e9b4-487e-b195-4e24cd0a9ea7","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/128/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":"2026-04-21T18:32:13.810Z"}],"sources":[{"listingId":"d8e6dc96-e9b4-487e-b195-4e24cd0a9ea7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/128/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.810Z","lastSeenAt":"2026-04-25T07:04:07.962Z"}],"details":{"listingId":"d8e6dc96-e9b4-487e-b195-4e24cd0a9ea7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/128/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":"x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/128/ssn"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/128/ssn"},{"claim":"Flat pricing of $0.02 per request across all endpoints, no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /README) render only 'Connect wallet' with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for payroll or HR integrations","Programmatic access to sensitive employee identifiers","Agent-driven employee record lookups with per-call payment"],"bestFor":["Developers needing on-demand employee SSN retrieval without API key management","Automated systems that require pay-per-use access to employee PII","x402-compatible agents on the Base network"],"notFor":["Use cases requiring bulk employee data exports (single-employee endpoint)","Applications where handling raw SSNs violates compliance requirements (GDPR, CCPA, etc.)","Users who need detailed API documentation or schema guarantees before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.822Z"},"updatedAt":"2026-04-25T07:04:07.962Z"}}