{"id":"a2b3fa64-f3de-4629-b24f-b078bc360cbf","shortId":"Q42Jfh","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 47) 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 lowpaymentfee.com hosts a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services, all priced at $0.02 per call. No API keys or rate limits are advertised; access is granted purely through the x402 payment protocol. Documentation pages beyond the landing page are gated behind a wallet connection and were not crawlable, so detailed request/response schemas for this specific endpoint are unavailable.\n\nThis particular endpoint raises significant concerns: it purports to serve personally identifiable information (an employee's SSN). Consumers should exercise extreme caution. Serving real SSNs via a public API would likely violate data protection regulations (e.g., state privacy laws, FCRA). It is unclear whether this returns synthetic/demo data or actual PII. No documentation was available to clarify.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","json-response","per-request-billing"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","x402 employee data","Base USDC micropayment API","PII endpoint","employee record API"],"warnings":["Endpoint purports to serve Social Security Numbers (PII). Serving real SSNs publicly may violate US federal and state privacy regulations (FCRA, state data breach laws). Verify whether data is synthetic or real before use.","No request or response schema is available; the docs, API, pricing, and README pages all returned only a wallet-connect prompt with no documentation content.","Endpoint is scoped to a single employee ID (47); unclear if other IDs are supported or if this is a demo.","No OpenAPI spec, no ai-plugin manifest, no agents.txt discovered."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/47/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/47/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 no documentation, no request/response schema, and the endpoint serves what appears to be regulated PII (SSN) with no explanation of data provenance or compliance. Docs pages are all wallet-gated and returned no useful 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'000':81 '0x8335':70 '20':80 '2913':71 '47':47 '6':85 'Base USDC micropayment API' 'PII endpoint' 'accept':54 'access':123 'actual':207 'advertis':122 'ai/ml':102 'analyt':101 'api':98,116,186 'avail':212 'base':9,23,65,82 'behind':48,140 'beyond':134 'broad':92 'call':114 'catalog':93 'caution':179 'clarifi':214 'concern':163 'connect':143 'consum':175 'contract':69 'cost':75 'crawlabl':147 'crypto':105 'data':4,18,39,100,190,205 'decim':86 'detail':149 'document':132,210 'e.g':193 'employe':2,16,34,43,45,172 'employee SSN lookup' 'employee record API' 'employee-data' 'endpoint':30,53,155,160 'exercis':177 'extrem':178 'fcra':197 'financ':104 'gate':97,139 'grant':125 'host':90 'id':46 'identifi':169 'infer':103 'inform':170 'json':59 'json-response' 'key':117 'land':136 'law':196 'like':188 'limit':120 'lowpaymentfee.com':32,89 'maximum':74 'micropay':7,21 'network':10,24,66 'number':37 'page':133,137 'particular':159 'payment':60,130 'paywal':51 'per':13,27,78,113 'per-request-billing' 'person':168 'pii':208 'post':55 'price':110 'privaci':195 'protect':191 'protocol':131 'provid':88 'public':185 'pure':126 'purport':165 'rais':161 'rate':119 'real':181 'record':44 'regul':192 'request':14,28,56,79 'request/response':150 'retriev':1,15 'return':33,58,203 'schema':151 'secur':36 'serv':167,180 'servic':108 'settl':62 'signific':162 'social':35 'social security number API' 'span':99 'specif':42,154 'ssn':3,17,38,174 'ssn-lookup' 'ssns':182 'state':194 'synthetic/demo':204 'unavail':157 'unclear':200 'unit':83 'usdc':68 'usdc-base' 'use':67 'util':107 'via':5,19,183 'violat':189 'wallet':142 'whether':201 'would':187 'x402':6,20,50,96,129 'x402 employee data' 'x402-gated':95 'x402-payment'","prices":[{"id":"c3e4b2ef-91c3-4ae4-88a4-053ecbacd845","listingId":"a2b3fa64-f3de-4629-b24f-b078bc360cbf","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/47/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":"2026-04-21T18:32:16.868Z"}],"sources":[{"listingId":"a2b3fa64-f3de-4629-b24f-b078bc360cbf","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/47/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.868Z","lastSeenAt":"2026-04-24T12:04:39.123Z"}],"details":{"listingId":"a2b3fa64-f3de-4629-b24f-b078bc360cbf","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/47/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":"Endpoint returns 402 with x402 challenge advertising USDC on Base network at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/47/ssn"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/47/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":"Documentation pages (docs, api, pricing, README) returned only wallet-connect prompts with no content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for authorized internal HR workflows","Testing x402 payment protocol integration with a low-cost endpoint","Demonstrating micropayment-gated sensitive data access patterns"],"bestFor":["Developers experimenting with x402 payment flows on Base","Testing micropayment integration with USDC on Base network","Prototyping pay-per-call data access patterns"],"notFor":["Production use involving real PII without verifying regulatory compliance","Anyone seeking bulk employee data lookups across multiple IDs (endpoint is scoped to employee 47)","Use cases requiring documented request/response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.522Z"},"updatedAt":"2026-04-24T12:04:39.123Z"}}