Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com provides access to employee Social Security Number (SSN) data behind an x402 paywall. The specific resource `/api/v1/employees/123/ssn` accepts POST requests and charges $0.02 per call, settled in USDC on the Base network. The x402 challenge is live and returns a standard 402 Payment Required response with payment details.
The endpoint is part of a broader API platform at lowpaymentfee.com that offers multiple categories of paid endpoints including data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access; payment is handled entirely through the x402 protocol using USDC on Base.
Documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the SSN endpoint returns or what input it expects beyond being a POST endpoint. The endpoint path suggests it returns sensitive personally identifiable information (PII), which raises significant regulatory and ethical concerns.
Capabilities
Use cases
- —Retrieving employee SSN data for payroll or HR integrations
- —Programmatic access to sensitive employee identifiers
- —Agent-driven lookups of employee records behind a paywall
Fit
Best for
- —Developers needing on-demand employee SSN retrieval via micropayment
- —Systems that integrate x402 payment flows for sensitive data access
Not for
- —Anyone without a legitimate, lawful need for SSN data — access to SSNs is heavily regulated
- —Use cases requiring detailed API documentation or guaranteed SLAs
- —Bulk data export of employee records (no batch endpoint documented)
Quick start
# 1. Obtain x402 payment header (USDC on Base, $0.02)
# 2. POST to the endpoint with the payment header
curl -X POST https://lowpaymentfee.com/api/v1/employees/123/ssn \
-H "X-PAYMENT: <your-x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is zero documentation beyond the landing page listing. No OpenAPI schema, no request/response examples, no explanation of what data is returned. The endpoint deals with highly sensitive PII (SSNs) with no visible compliance, privacy, or authorization documentation.
Warnings
- —Endpoint serves Social Security Numbers (PII) — subject to strict legal regulations (e.g., FCRA, state privacy laws). Verify the provider's legitimacy and your legal authority before use.
- —No documentation available: docs, API, pricing, and README pages all show only 'Connect wallet' with no technical content.
- —No OpenAPI schema or response examples provided — request/response format is unknown.
- —The employee ID '123' in the path appears to be a placeholder or demo; unclear if arbitrary IDs are supported.
- —Provider identity and data sourcing are completely opaque — no terms of service, privacy policy, or compliance information found.
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/123/ssn
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/123/ssn
- —Platform advertises $0.02 per request, no API keys, no rate limits, instant accesshttps://lowpaymentfee.com
- —Docs, API, pricing, and README pages render only 'Connect wallet' with no additional contenthttps://lowpaymentfee.com/docs