Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com returns employee Social Security Number (SSN) data for a specific employee record (ID 153) behind an x402 paywall. The endpoint accepts POST requests and is settled in USDC on the Base network. The x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (6 decimals), which equals $0.02 per request.
The provider site lowpaymentfee.com hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. This particular endpoint falls outside those listed categories and appears to serve sensitive personally identifiable information (PII). The endpoint is live and returns a proper 402 challenge, but documentation beyond the landing page is essentially empty (all subpages just show "Connect wallet").
Because this endpoint purports to serve Social Security Numbers — highly regulated PII in the United States — consumers should exercise extreme caution. There is no documentation explaining the data source, authorization model, compliance posture, or legal basis for distributing SSNs. The endpoint may be a demonstration, a honeypot, or a test fixture; there is no way to confirm from available materials.
Capabilities
Use cases
- —Retrieving employee SSN for identity verification workflows (if legally authorized)
- —Demonstrating x402 micropayment protocol integration
- —Testing pay-per-call API patterns on Base network
Fit
Best for
- —Developers testing x402 payment flows on Base
- —Scenarios where per-call PII access is legally permissible and needed
Not for
- —Any use case lacking explicit legal authorization to handle SSNs
- —Production identity verification without confirming data provenance and compliance
- —Bulk PII harvesting or unauthorized background checks
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/153/ssn \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is zero documentation on request/response schema, no OpenAPI spec, and the docs/pricing/README pages are all blank. The endpoint serves highly sensitive PII (SSNs) with no stated compliance or legal framework, which is a major red flag.
Warnings
- —Endpoint claims to serve Social Security Numbers — highly regulated PII under US law (FCRA, GLBA, state privacy laws). No compliance documentation found.
- —No request or response schema available; impossible to verify what data is actually returned.
- —All documentation pages (docs, api, pricing, README) are empty beyond a 'Connect wallet' prompt.
- —Data provenance is unknown — no indication of whether this is real, synthetic, or test data.
- —This endpoint targets a hardcoded employee ID (153); unclear if other IDs are supported or if this is a demo fixture.
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/153/ssn
- —The provider advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/153/ssn