Retrieve employee SSN data via x402 micropayment on Base (USDC).
What it does
This endpoint at lowpaymentfee.com returns employee SSN (Social Security Number) data for a specific employee record (ID 53) behind an x402 paywall. The endpoint accepts POST requests and settles payments in USDC on the Base network. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request.
The provider lowpaymentfee.com hosts a broad catalog of x402-gated APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. This particular endpoint sits under what appears to be a demo or sample employee data API. No OpenAPI schema, request body specification, or response schema documentation was found beyond the x402 challenge metadata.
Because this endpoint exposes personally identifiable information (SSN), consumers should exercise extreme caution regarding legal and regulatory compliance (e.g., FCRA, state privacy laws, GDPR). The legitimacy and source of the underlying data is unknown from the available documentation.
Capabilities
Use cases
- —Retrieving SSN data for a specific employee record via programmatic API call
- —Demonstrating x402 micropayment protocol integration on Base
- —Testing x402 payment flows with a low-cost endpoint
Fit
Best for
- —Developers experimenting with x402 protocol payments on Base
- —Agents needing to test micropayment-gated API workflows
- —Low-cost per-request data retrieval without API key management
Not for
- —Production PII lookups without verifying legal compliance (FCRA, state privacy laws)
- —Bulk employee data retrieval (endpoint is scoped to a single employee ID)
- —Users who need documented request/response schemas before integration
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/53/ssn \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documented request body or response format, no examples, and the docs/pricing/README pages are all blank beyond a wallet-connect prompt. The endpoint deals with sensitive PII (SSN) with no documentation on data provenance or compliance.
Warnings
- —Endpoint exposes PII (Social Security Numbers) — verify legal/regulatory compliance before use
- —No request body schema or response schema documented anywhere
- —Docs, pricing, and README pages return only a 'Connect wallet' prompt with no useful content
- —Data provenance and legitimacy of employee SSN records is completely unknown
- —Endpoint is scoped to a hardcoded employee ID (53); unclear if other IDs are available
Citations
- —x402 challenge returns 402 with maxAmountRequired of 20000 USDC base units on Base networkhttps://lowpaymentfee.com/api/v1/employees/53/ssn
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/53/ssn
- —All APIs priced at $0.02 per request with no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com