{"id":"2f82a1eb-9705-4e69-a54e-b94ae41cccaa","shortId":"7XWZnb","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 108) 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 site also offers a broad catalog of other endpoints spanning data analytics, AI/ML inference, finance, and utility services, all at the same price point.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The nature of the data (employee SSN) raises significant regulatory and privacy concerns. Consumers should exercise caution and verify the legitimacy and legal compliance of this data source before use.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","per-request-micropayment","json-response"],"categories":["data","identity"],"synonyms":["employee SSN API","social security number lookup","employee PII endpoint","x402 data API","Base USDC micropayment API","lowpaymentfee"],"warnings":["Endpoint serves employee SSN data — a highly sensitive PII category subject to strict regulations (e.g., FCRA, state privacy laws). No compliance or authorization documentation is provided.","No OpenAPI spec, no request/response schema, and no usage examples are available.","All documentation pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no content.","Legitimacy and legal compliance of this data source cannot be verified from available materials.","The endpoint is hardcoded to employee ID 108; it is unclear whether other employee IDs are supported or how the broader API is structured."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/108/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/108/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, no OpenAPI spec, no request/response schema, no examples, and the data category (employee SSN) raises serious regulatory red flags with no compliance information 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'/docs':154 '/pricing':155 '/readme':158 '/request':106 '0.02':12,26,94,105 '000':81 '0x8335':86 '108':46 '20':80 '2913':87 '6':90 'Base USDC micropayment API' 'accept':53 'access':123 'across':109 'advertis':76 'ai/ml':137 'also':126 'analyt':136 'api':112,116 'avail':184 'base':9,23,66,82,89 'behind':47 'broad':129 'catalog':130 'caution':201 'challeng':75 'complianc':208 'concern':197 'confirm':102 'connect':164 'consum':198 'data':4,18,39,135,189,211 'decim':91 'detail':171 'document':149 'employe':2,16,34,43,190 'employee PII endpoint' 'employee SSN API' 'employee-data' 'endpoint':30,52,113,133 'equal':93 'exact':71 'exampl':182 'exercis':200 'extrem':151 'financ':139 'flat':104 'id':45 'infer':138 'instant':122 'json':58 'json-response' 'key':117 'land':100 'legal':207 'legitimaci':205 'limit':120 'lowpaymentfee' 'lowpaymentfee.com':32 'maxamountrequir':78 'micropay':7,21 'model':108 'natur':186 'network':10,24,67 'number':37 'offer':127 'openapi':175 'page':101,159 'payload':183 'payment':59 'paywal':50 'per':13,27,95 'per-request-micropayment' 'point':148 'post':54 'price':107,147 'privaci':196 'prompt':166 'provid':98 'rais':192 'rate':119 'record':44 'regulatori':194 'render':161 'request':14,28,55,96 'request/response':178 'retriev':1,15 'return':33,57 'schema':179 'scheme':72 'secur':36 'servic':142 'settl':61 'signific':193 'site':125 'social':35 'social security number lookup' 'sourc':212 'span':134 'spars':152 'spec':176 'specif':42 'ssn':3,17,38,191 'ssn-lookup' 'technic':170 'unit':83 'usdc':63,85 'usdc-base' 'use':68,214 'util':141 'verifi':203 'via':5,19 'wallet':165 'x402':6,20,49,70,74 'x402 data API' 'x402-payment'","prices":[{"id":"b5915f97-edb8-49cc-95e4-982092fe996a","listingId":"2f82a1eb-9705-4e69-a54e-b94ae41cccaa","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/108/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":"2026-04-21T18:32:13.299Z"}],"sources":[{"listingId":"2f82a1eb-9705-4e69-a54e-b94ae41cccaa","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/108/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.299Z","lastSeenAt":"2026-04-25T11:33:15.635Z"}],"details":{"listingId":"2f82a1eb-9705-4e69-a54e-b94ae41cccaa","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/108/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":"x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/108/ssn"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/108/ssn"},{"claim":"Flat $0.02/request pricing, no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages render only 'Connect wallet' with no technical content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN for payroll or HR verification workflows","Programmatic identity verification requiring SSN data","Agent-driven data retrieval with per-call crypto micropayments"],"bestFor":["Developers needing pay-per-call access to employee records without API key management","Automated agents that can settle x402 payments on Base","Low-volume, on-demand lookups where subscription pricing is undesirable"],"notFor":["Bulk SSN data retrieval (no documented batch endpoint)","Use cases requiring regulatory compliance documentation (none provided)","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.43Z"},"updatedAt":"2026-04-25T11:33:15.635Z"}}