{"id":"1a9d6d48-8d93-487f-be9c-cd5722be7c45","shortId":"jKWXNm","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 46) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum amount of 20,000 base units, which equals $0.02 USD (USDC uses 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 with no API keys, no rate limits, and no commitments. The specific endpoint listed here is not featured on the provider's landing page catalog, suggesting it may be a demo, test, or unlisted route. The endpoint path references a single hardcoded employee ID (46) and the sensitive data type \"ssn,\" which raises significant concerns about the nature and legitimacy of the data being served.\n\nNo OpenAPI schema, documentation, or example responses were found for this endpoint. The docs, pricing, API, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. The x402 challenge is live and well-formed, confirming the endpoint is operational, but the actual response payload and data provenance are unknown.","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data","ssn-lookup","json-response","post-method"],"categories":["data"],"synonyms":["employee SSN API","social security number lookup","employee record API","PII endpoint","x402 data access"],"warnings":["Endpoint serves Social Security Number (SSN) data — a highly regulated PII category. Data provenance, legal basis, and compliance status are completely unknown.","No documentation, OpenAPI schema, or example responses are available for this endpoint.","The endpoint path is hardcoded to employee ID 46; it is unclear whether other employee IDs are supported.","This specific endpoint does not appear in the provider's public API catalog, suggesting it may be a test or unlisted route.","The docs, pricing, API, and README pages returned no substantive content beyond a wallet connect prompt."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/46/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/46/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint is operational at $0.02/request on Base USDC. However, there is no documentation, no OpenAPI schema, no example responses, and the endpoint serves highly sensitive PII (SSN) with no visible data provenance or compliance information. The docs pages are empty. This is effectively a stub listing with serious regulatory red 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'000':77 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':70 '20':76 '46':47,160 '6':86 'PII endpoint' 'accept':54 'actual':227 'ai/ml':104 'amount':74 'analyt':103 'api':100,118,196 'base':9,23,65,78 'behind':48 'broad':94 'catalog':95,140 'challeng':213 'commit':125 'concern':170 'confirm':220 'connect':204 'content':210 'contract':69 'data':4,18,39,102,164,178,231 'decim':87 'demo':146 'doc':194 'document':184 'employe':2,16,34,43,45,158 'employee SSN API' 'employee record API' 'employee-data' 'endpoint':30,53,128,152,192,222 'equal':81 'exampl':186 'featur':133 'financ':106 'form':219 'found':189 'gate':99 'hardcod':157 'host':92 'id':46,159 'infer':105 'json':59 'json-response' 'key':119 'land':138 'legitimaci':175 'limit':122 'list':129 'live':215 'lowpaymentfee.com':32,91 'maximum':73 'may':143 'micropay':7,21 'natur':173 'network':10,24,66 'number':37 'openapi':182 'oper':224 'page':139,199 'path':153 'payload':229 'payment':60 'paywal':51 'per':13,27,114 'post':55 'post-method' 'price':111,195 'prompt':206 'proven':232 'provid':89,136 'rais':168 'rate':121 'readm':198 'record':44 'refer':154 'request':14,28,56,115 'respons':187,228 'retriev':1,15 'return':33,58,201 'rout':150 'schema':183 'secur':36 'sensit':163 'serv':180 'servic':109 'settl':62 'signific':169 'singl':156 'site':90 'social':35 'social security number lookup' 'span':101 'specif':42,127 'ssn':3,17,38,166 'ssn-lookup' 'substant':209 'suggest':141 'test':147 'type':165 'unit':79 'unknown':234 'unlist':149 'usd':83 'usdc':68,84 'usdc-base-network' 'use':67,85 'util':108 'via':5,19 'wallet':205 'well':218 'well-form':217 'x402':6,20,50,98,212 'x402 data access' 'x402-gated':97 'x402-payment'","prices":[{"id":"99e983ab-ebf2-40aa-8350-4d65eb7bacde","listingId":"1a9d6d48-8d93-487f-be9c-cd5722be7c45","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/46/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":"2026-04-21T18:32:16.937Z"}],"sources":[{"listingId":"1a9d6d48-8d93-487f-be9c-cd5722be7c45","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/46/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.937Z","lastSeenAt":"2026-04-24T10:33:55.424Z"}],"details":{"listingId":"1a9d6d48-8d93-487f-be9c-cd5722be7c45","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/46/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":"The x402 challenge returns maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/46/ssn"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/46/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, pricing, API, and README pages show only a Connect wallet prompt with no documentation content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for a specific employee record behind a micropayment wall","Testing x402 payment protocol integrations with a live endpoint","Demonstrating pay-per-call API access patterns on Base network"],"bestFor":["Developers testing x402 payment flows on Base","Exploring micropayment-gated API patterns"],"notFor":["Production PII data retrieval without verifying data provenance and legal compliance","Bulk employee data lookups (endpoint is hardcoded to a single employee ID)","Anyone needing documented, schema-validated API responses"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.413Z"},"updatedAt":"2026-04-24T10:33:55.424Z"}}