{"id":"f7b0afd6-397c-4501-9086-9218eb006926","shortId":"8K2P6P","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 94) 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 endpoint was live at probe time, returning a well-formed 402 challenge with x402Version 1 and a 300-second payment timeout.\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. Documentation pages beyond the landing page returned only a \"Connect wallet\" stub, so there is no detailed schema documentation for request body parameters or response format for this specific SSN endpoint.","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","employee PII endpoint","x402 employee data","paid SSN retrieval"],"warnings":["This endpoint appears to serve sensitive PII (Social Security Numbers). Consumers should ensure compliance with applicable privacy regulations (e.g., HIPAA, state SSN protection laws).","No API documentation is available — docs, pricing, and README pages all return only a 'Connect wallet' stub.","The endpoint path is hardcoded to employee ID 94; it is unclear whether other employee IDs are supported or how to discover them.","The legitimacy and source of the employee data is unknown. This could be synthetic/demo data.","No request body schema or response schema is documented anywhere."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/94/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/94/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI schema, no request/response documentation, no examples, and the docs pages are empty stubs. The endpoint path is hardcoded to a single employee ID (94), and the nature of the data returned is unclear beyond the path name. This is effectively a stub 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'0.02':12,26,95,106,173 '000':82 '0x8335':87 '1':141 '20':81 '2913':88 '300':144 '402':137 '6':91 '94':47 'accept':54 'access':124 'across':110 'advertis':77 'ai/ml':163 'analyt':162 'api':113,117 'base':9,23,67,83,90 'behind':48 'beyond':178 'bodi':197 'broad':153 'catalog':154 'challeng':76,138 'confirm':103 'connect':185 'data':4,18,39,161 'decim':92 'detail':192 'document':176,194 'employe':2,16,34,43,45 'employee PII endpoint' 'employee SSN API' 'employee-data' 'endpoint':30,53,114,126,159,206 'equal':94 'exact':72 'financ':165 'flat':105 'form':136 'format':201 'gate':158 'host':151 'id':46 'infer':164 'instant':123 'json':59 'json-response' 'key':118 'land':101,180 'limit':121 'live':128 'lowpaymentfee.com':32,150 'maxamountrequir':79 'micropay':7,21 'model':109 'network':10,24,68 'number':37 'page':102,177,181 'paid SSN retrieval' 'paramet':198 'payment':60,146 'paywal':51 'per':13,27,96 'per-request-micropayment' 'point':175 'post':55 'price':108,174 'probe':130 'provid':99,149 'rate':120 'record':44 'request':14,28,56,97,196 'respons':200 'retriev':1,15 'return':33,58,132,182 'schema':193 'scheme':73 'second':145 'secur':36 'servic':168 'settl':62 'social':35 'social security number lookup' 'span':160 'specif':42,204 'ssn':3,17,38,205 'ssn-lookup' 'stub':187 'time':131 'timeout':147 'unit':84 'usdc':64,86 'usdc-base' 'use':69 'util':167 'via':5,19 'wallet':186 'well':135 'well-form':134 'x402':6,20,50,71,75,157 'x402 employee data' 'x402-gated':156 'x402-payment' 'x402version':140","prices":[{"id":"b2b4774c-6db0-4c14-a96d-0b314b7d53c4","listingId":"f7b0afd6-397c-4501-9086-9218eb006926","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/94/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":"2026-04-21T18:32:18.260Z"}],"sources":[{"listingId":"f7b0afd6-397c-4501-9086-9218eb006926","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/94/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:18.260Z","lastSeenAt":"2026-04-24T03:04:25.225Z"}],"details":{"listingId":"f7b0afd6-397c-4501-9086-9218eb006926","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/94/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":"The x402 challenge returns maxAmountRequired of 20000 base units in USDC on Base network with a 300-second timeout.","source_url":"https://lowpaymentfee.com/api/v1/employees/94/ssn"},{"claim":"The provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access.","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/employees/94/ssn"}],"useCases":["Retrieving employee SSN for payroll or HR integrations","Programmatic access to sensitive employee identifiers behind a paywall","Agent-driven identity verification workflows requiring SSN data"],"bestFor":["Developers needing on-demand SSN retrieval without API key management","Agents that can settle USDC micropayments on Base","Low-volume, pay-per-use access to sensitive employee records"],"notFor":["Bulk employee data exports (single-record endpoint for employee 94 only)","Users who cannot transact in USDC on the Base network","Use cases requiring detailed API documentation or OpenAPI specs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:12.436Z"},"updatedAt":"2026-04-24T03:04:25.225Z"}}