{"id":"7deed91c-c37b-41ea-a3a1-baede2667d42","shortId":"f2GRK3","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 (employee ID 48) 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\nThe provider (lowpaymentfee.com) hosts a broad catalog of x402-gated endpoints spanning data analytics, AI/ML inference, finance, and utility services, all at the same $0.02 price point. No OpenAPI schema, detailed documentation, or example responses were found in the crawl — the docs, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. The exact structure of the response payload for this SSN endpoint is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","per-request-micropayment","json-response"],"categories":["data"],"synonyms":["employee SSN API","social security number lookup","employee record API","x402 data endpoint","paid SSN endpoint","lowpaymentfee employee API"],"warnings":["Endpoint serves Social Security Number data — this is highly sensitive PII subject to strict regulations (e.g., GLBA, state privacy laws). Verify legal compliance before use.","No documentation, response schema, or example responses are available — the actual response format is unknown.","Endpoint is hardcoded to employee ID 48; it is unclear whether other employee IDs are supported or how the broader API is structured.","Docs, pricing, and README pages returned no substantive content (only 'Connect wallet' 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/48/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/48/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 confirmed) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no response examples, no documentation beyond a wallet-connect prompt, and the endpoint is hardcoded to a single employee ID. The nature of the data returned (SSN) raises significant regulatory and ethical 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'000':82 '0x8335':87 '20':81 '2913':88 '48':47 '6':97 'accept':54 'access':125 'advertis':77,116 'ai/ml':147 'analyt':146 'api':118 'authent':130 'base':9,23,67,83,90 'behind':48 'broad':137 'catalog':138 'challeng':76 'connect':183 'consist':101 'content':189 'crawl':172 'data':4,18,39,145 'decim':98 'detail':163 'doc':174 'document':164 'employe':2,16,34,43,45 'employee SSN API' 'employee record API' 'employee-data' 'endpoint':30,53,143,200 'equal':92 'exact':72,191 'exampl':166 'financ':149 'found':169 'gate':142 'given':94 'host':135 'id':46 'infer':148 'instant':124 'json':59 'json-response' 'key':119 'limit':122 'lowpaymentfee employee API' 'lowpaymentfee.com':32,134 'maxamountrequir':79 'mechan':131 'micropay':7,21 'network':10,24,68 'number':37 'openapi':161 'page':178 'paid SSN endpoint' 'payload':196 'payment':60,126 'paywal':51 'per':13,27,112 'per-request-micropayment' 'point':159 'post':55 'price':109,158,175 'prompt':185 'provid':104,115,133 'rate':121 'readm':177 'record':44 'request':14,28,56,113 'respons':167,195 'retriev':1,15 'return':33,58,180 'schema':162 'scheme':73 'secur':36 'servic':152 'settl':62 'site':107 'site-wid':106 'social':35 'social security number lookup' 'span':144 'specif':42 'ssn':3,17,38,199 'ssn-lookup' 'structur':192 'substant':188 'unit':84 'unknown':202 'usdc':64,86,95 'usdc-base' 'use':69 'util':151 'via':5,19 'wallet':184 'wide':108 'x402':6,20,50,71,75,141 'x402 data endpoint' 'x402-gated':140 'x402-payment'","prices":[{"id":"fe5bcbe7-6785-469b-befc-d8b0dd7d3b99","listingId":"7deed91c-c37b-41ea-a3a1-baede2667d42","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/48/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":"2026-04-21T18:32:16.870Z"}],"sources":[{"listingId":"7deed91c-c37b-41ea-a3a1-baede2667d42","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/48/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.870Z","lastSeenAt":"2026-04-24T12:04:39.124Z"}],"details":{"listingId":"7deed91c-c37b-41ea-a3a1-baede2667d42","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/48/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":"x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/48/ssn"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/48/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":"Provider hosts endpoints across data analytics, AI/ML, finance, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee SSN data for payroll or HR integrations","Agent-driven identity verification workflows requiring SSN","Programmatic access to sensitive employee records with per-call payment"],"bestFor":["Agents needing on-demand access to employee SSN without API key management","Micropayment-gated access to sensitive data fields","x402-compatible clients on the Base network"],"notFor":["Bulk retrieval of employee records (single-employee endpoint, no batch support evident)","Users who cannot settle USDC payments on Base","Use cases requiring detailed API documentation or schema guarantees"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.517Z"},"updatedAt":"2026-04-24T12:04:39.124Z"}}