{"id":"80b00073-b584-41e8-b159-32ad6f776bae","shortId":"SFG6nb","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 (ID 68) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at $0.02 per call (maxAmountRequired of 20,000 base units with 6 decimals = $0.02). No API keys or rate limits are required; access is gated entirely by the x402 payment protocol.\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. Documentation pages beyond the landing page are sparse — the docs, API, pricing, and README routes all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no documentation describing the shape of the SSN response payload or what input the POST body expects.\n\nThis endpoint deals with highly sensitive personally identifiable information (SSNs). The legitimacy, legality, and data provenance of this service are entirely unclear from the available materials. Users should exercise extreme caution and ensure compliance with all applicable privacy and data-protection regulations before interacting with this endpoint.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","micropayment","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 data API","Base USDC micropayment API"],"warnings":["Endpoint serves Social Security Numbers — highly sensitive PII. Legality and data provenance are completely unverified.","No request body schema or response schema documented anywhere.","All documentation pages (docs, API, pricing, README) return only 'Connect wallet' with no content.","No OpenAPI specification or ai-plugin manifest available.","Data legitimacy is unknown — this could be synthetic/demo data or real PII. Exercise extreme caution."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/68/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/68/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request body format, response schema, or data provenance. The endpoint serves highly sensitive PII (SSNs) with no explanation of legitimacy or authorization model. No OpenAPI spec, no examples, and all doc pages are 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'000':75 '20':74 '6':79 '68':46 'Base USDC micropayment API' 'PII endpoint' 'accept':53 'access':90 'addit':151 'ai/ml':115 'analyt':114 'api':83,111,137 'applic':216 'avail':204 'base':9,23,66,76 'behind':47 'beyond':129 'bodi':178 'broad':105 'call':71 'catalog':106 'caution':210 'complianc':213 'connect':146 'data':4,18,39,113,194,220 'data-protect':219 'deal':182 'decim':80 'describ':165 'detail':153 'doc':136 'document':127,164 'employe':2,16,34,43 'employee SSN lookup' 'employee-data' 'endpoint':30,52,181,227 'ensur':212 'entir':93,200 'exampl':161 'exercis':208 'expect':179 'extrem':209 'financ':117 'gate':92,110 'high':184 'host':103 'id':45 'identifi':187 'infer':116 'inform':188 'input':175 'interact':224 'json':58 'json-response' 'key':84 'land':131 'legal':192 'legitimaci':191 'limit':87 'lowpaymentfee.com':32,102 'materi':205 'maxamountrequir':72 'micropay':7,21 'micropayment' 'network':10,24,67 'number':37 'openapi':157 'page':128,132 'payload':172 'payment':59,97 'paywal':50 'per':13,27,70,125 'person':186 'post':54,177 'price':122,138 'privaci':217 'prompt':148 'protect':221 'protocol':98 'proven':195 'provid':100 'rate':86 'readm':140 'record':44 'regul':222 'render':143 'request':14,28,55,126 'request/response':160 'requir':89 'respons':171 'retriev':1,15 'return':33,57 'rout':141 'schema':158 'secur':36 'sensit':185 'servic':120,198 'settl':61 'shape':167 'site':101 'social':35 'social security number API' 'span':112 'spars':134 'specif':42 'ssn':3,17,38,170 'ssn-lookup' 'ssns':189 'technic':152 'unclear':201 'unit':77 'usdc':63 'usdc-base' 'user':206 'util':119 'via':5,19 'wallet':147 'x402':6,20,49,96,109 'x402 data API' 'x402-gated':108 'x402-payment'","prices":[{"id":"1f42d7bf-35a5-4f59-874e-ae4e192d28ca","listingId":"80b00073-b584-41e8-b159-32ad6f776bae","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/68/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":"2026-04-21T18:32:17.188Z"}],"sources":[{"listingId":"80b00073-b584-41e8-b159-32ad6f776bae","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/68/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.188Z","lastSeenAt":"2026-04-24T09:33:12.242Z"}],"details":{"listingId":"80b00073-b584-41e8-b159-32ad6f776bae","quickStartSnippet":"# Requires an x402-compatible client to attach payment header\ncurl -X POST https://lowpaymentfee.com/api/v1/employees/68/ssn \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","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 payment on Base network, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/68/ssn"},{"claim":"All APIs on the site are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/68/ssn"},{"claim":"Documentation pages render only 'Connect wallet' with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for authorized payroll or HR integrations","Demonstrating x402 micropayment protocol usage on Base network","Programmatic access to sensitive employee records without API key management"],"bestFor":["Developers experimenting with x402 payment protocol on Base","Authorized systems needing on-demand SSN retrieval with per-call billing","Agent-based workflows requiring pay-per-use PII access"],"notFor":["Unauthorized access to personal data — strict legal compliance required","Production use without verifying data provenance and regulatory compliance","Users who need detailed API documentation or request/response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.045Z"},"updatedAt":"2026-04-24T09:33:12.242Z"}}