Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.
What it does
This x402-enabled endpoint at lowpaymentfee.com returns employee Social Security Number (SSN) data for a specific employee record (ID 126). It is part of a broader suite of pay-per-request APIs offered by the provider, all settling payments in USDC on the Base L2 network via the x402 protocol. The endpoint requires no API keys or accounts — callers simply attach an X-PAYMENT header with a valid x402 payment proof.
The x402 challenge confirms the endpoint is live and accepts POST requests. The maximum amount required is 20,000 base units of USDC (0x8335… on Base), which equals $0.02 USD (USDC uses 6 decimals). The payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a timeout of 300 seconds. The response MIME type is application/json.
The provider's landing page lists numerous other endpoints across data/analytics, AI/ML, finance/Web3, and infrastructure categories, all priced at $0.02 per request. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no additional technical detail, so the request/response schema for this specific SSN endpoint is unknown beyond what the x402 challenge provides.
Capabilities
Use cases
- —Retrieving employee SSN for payroll or HR verification workflows
- —Programmatic access to sensitive employee identifiers without managing API keys
- —Agent-driven identity verification requiring SSN data
Fit
Best for
- —Automated HR or payroll systems needing on-demand SSN retrieval
- —AI agents that can settle x402 micropayments on Base
- —Developers wanting keyless, pay-per-call access to employee PII
Not for
- —Bulk retrieval of large employee datasets (single-record endpoint, pay-per-call)
- —Users without USDC on Base network or x402-compatible payment infrastructure
- —Use cases requiring non-PII employee data (this endpoint specifically returns SSN)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/126/ssn \
-H "X-PAYMENT: <x402_payment_proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The x402 challenge is live and confirms pricing, network, and payment details. However, there is no documentation of request body schema, response schema, or what data fields are returned. The docs, API, pricing, and README pages all returned only 'Connect wallet' with no useful content. The endpoint path suggests sensitive PII (SSN), which raises regulatory concerns.
Warnings
- —Endpoint returns employee SSN data — this is highly sensitive PII subject to strict regulations (e.g., US privacy laws, SOC 2, HIPAA adjacent). Verify legal compliance before use.
- —No request or response schema is documented; the actual data returned is unknown.
- —All documentation pages beyond the landing page are empty ('Connect wallet' only).
- —The endpoint is hardcoded to employee ID 126 — it is unclear whether other employee IDs are supported or if this is a demo/test endpoint.
- —Provider offers a wide range of unrelated API categories (AI, finance, geocoding, etc.) all at the same price, which may indicate a demo or placeholder site rather than production services.
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/126/ssn
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limitshttps://lowpaymentfee.com
- —Payment is settled in USD Coin (USDC) at contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/126/ssn