{"id":"7f88ae90-3c5f-4aaf-b611-502b44a6e42b","shortId":"eGBpGT","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 132) 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 site lowpaymentfee.com hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. The x402 challenge was successfully captured, confirming the endpoint is live. However, there is no OpenAPI schema, no request/response documentation, and no sample payloads available. The docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no further content.\n\nImportant caveat: this endpoint purports to return personally identifiable information (an SSN). Consumers should exercise extreme caution and verify the legitimacy and legal compliance of any service claiming to sell SSN data. There is no indication of what authorization or compliance framework governs this data.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","pay-per-request","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 employee data","Base USDC micropayment API","SSN retrieval"],"warnings":["Endpoint claims to return Social Security Number data — a highly regulated PII category. Verify legal compliance before use.","No request or response schema documentation is available; behavior must be discovered empirically.","Docs, pricing, and API pages returned only 'Connect wallet' with no substantive content.","Legitimacy of the data served is unverified — the provider offers a very broad catalog of unrelated APIs at uniform pricing, which may indicate placeholder or synthetic data.","The endpoint is hardcoded to employee ID 132; it is unclear whether other IDs are supported or how to parameterize."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/132/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/132/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request parameters, response schema, or sample data. The endpoint claims to serve SSN data, which is a regulated PII category with no visible compliance information. Docs pages returned no 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'000':80 '0x8335':69 '132':46 '20':79 '2913':70 '6':84 'Base USDC micropayment API' 'PII endpoint' 'SSN retrieval' 'accept':53 'ai/ml':103 'analyt':102 'api':99,118,155 'author':206 'avail':150 'base':9,23,64,81 'behind':47 'broad':92 'call':98 'captur':131 'catalog':93 'caution':184 'caveat':169 'challeng':128 'claim':195 'commit':125 'complianc':191,208 'confirm':132 'connect':161 'consum':180 'content':167 'contract':68 'cost':74 'crypto':106 'data':4,18,39,101,199,212 'decim':85 'doc':152 'document':145 'employe':2,16,34,43 'employee SSN lookup' 'employee-data' 'endpoint':30,52,134,171 'exercis':182 'extrem':183 'financ':105 'framework':209 'govern':210 'host':90 'howev':137 'id':45 'identifi':176 'import':168 'indic':203 'infer':104 'inform':177 'json':58 'json-response' 'key':119 'legal':190 'legitimaci':188 'limit':122 'live':136 'lowpaymentfee.com':32,89 'maximum':73 'micropay':7,21 'network':10,24,65 'number':37 'openapi':141 'page':156 'pay':96 'pay-per-cal':95 'pay-per-request' 'payload':149 'payment':59 'paywal':50 'per':13,27,77,97,114 'person':175 'post':54 'price':111,153 'prompt':163 'provid':87 'purport':172 'rate':121 'record':44 'request':14,28,55,78,115 'request/response':144 'retriev':1,15 'return':33,57,158,174 'sampl':148 'schema':142 'secur':36 'sell':197 'servic':109,194 'settl':61 'site':88 'social':35 'social security number API' 'span':100 'specif':42 'ssn':3,17,38,179,198 'ssn-lookup' 'success':130 'unit':82 'usdc':67 'usdc-base' 'use':66 'util':108 'verifi':186 'via':5,19 'wallet':162 'x402':6,20,49,127 'x402 employee data' 'x402-payment'","prices":[{"id":"cef46dba-68b4-44c7-8be6-9242accfbf3c","listingId":"7f88ae90-3c5f-4aaf-b611-502b44a6e42b","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/132/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":"2026-04-21T18:32:13.891Z"}],"sources":[{"listingId":"7f88ae90-3c5f-4aaf-b611-502b44a6e42b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/132/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.891Z","lastSeenAt":"2026-04-25T07:04:08.116Z"}],"details":{"listingId":"7f88ae90-3c5f-4aaf-b611-502b44a6e42b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/132/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 HTTP 402 with x402 challenge advertising USDC on Base, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/132/ssn"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/132/ssn"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider catalog includes data analytics, AI/ML, finance, crypto, and utility endpoints","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving SSN data for a known employee ID via automated payment","Integrating employee identity verification into agent workflows","Programmatic access to sensitive employee records with per-call billing"],"bestFor":["Agents needing on-demand access to employee PII behind a paywall","Developers testing x402 payment flows on Base network","Automated identity-data retrieval pipelines"],"notFor":["Bulk data export or batch SSN lookups (single-record endpoint)","Users who need documented request/response schemas before integration","Any use case where legal compliance around PII handling is uncertain"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.635Z"},"updatedAt":"2026-04-25T07:04:08.116Z"}}