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 (ID 54) 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.
The 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 endpoint was live and returning a proper 402 challenge at probe time.
This endpoint is part of a broader platform (lowpaymentfee.com) that offers data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all at the same $0.02 price point and all gated by x402 micropayments on Base. Documentation beyond the landing page is essentially empty (all sub-pages just show "Connect wallet"), so the exact request body schema and response format for this specific SSN endpoint are unknown.
Capabilities
Use cases
- —Retrieving employee SSN data for payroll or HR integrations
- —Agent-driven identity verification workflows requiring SSN
- —Programmatic access to sensitive employee records with per-call payment
Fit
Best for
- —Developers needing on-demand SSN data without API key management
- —Agents that can settle x402 micropayments in USDC on Base
- —Low-volume lookups where per-request pricing is preferable to subscriptions
Not for
- —Bulk SSN retrieval at scale (no documented batch endpoint)
- —Users who cannot transact in USDC on the Base network
- —Use cases requiring detailed API documentation or guaranteed SLAs
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/54/ssn \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation on request/response schemas, no OpenAPI spec, and all doc pages are empty. The endpoint path suggests sensitive PII data (SSN) with no visible compliance or authorization framework described.
Warnings
- —Endpoint serves Social Security Number data — highly regulated PII. Ensure compliance with applicable laws (e.g., FCRA, state privacy laws) before use.
- —No request body schema or response schema documented anywhere; behavior must be discovered empirically.
- —All documentation pages (docs, api, pricing, README) return only 'Connect wallet' with no actual content.
- —Only a single hardcoded employee ID (54) is in the endpoint path; unclear if other IDs are supported or how to discover them.
- —No terms of service, privacy policy, or data handling disclosures found on the provider site.
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/54/ssn
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/employees/54/ssn
- —Provider landing page lists $0.02/request flat pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —Documentation sub-pages (docs, api, pricing, README) contain only 'Connect wallet' texthttps://lowpaymentfee.com/docs