Pay-per-call employee salary lookup API on Base via x402 (USDC).
What it does
This endpoint at lowpaymentfee.com provides access to employee salary data via a simple POST request, paid per call using the x402 protocol. The specific resource `/api/v1/employees/7/salary` returns salary information for employee ID 7 in JSON format. Payment is settled in USDC on the Base network.
The x402 challenge indicates a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The provider's landing page confirms a flat $0.02/request pricing model across all their endpoints, with no API keys, no rate limits, and instant access. The endpoint accepts POST requests and is discoverable.
This endpoint is part of a broader platform (lowpaymentfee.com) that offers multiple API categories including data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all at the same $0.02/request price point. However, the specific endpoint being listed here appears to be a demo or sample resource (employee salary lookup) that is not prominently featured on the provider's main landing page, which raises questions about whether it serves real production data or is a demonstration endpoint. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no substantive content.
Capabilities
Use cases
- —Retrieving employee salary information programmatically via a paid API call
- —Demonstrating x402 payment protocol integration for per-request billing
- —Building payroll or HR dashboards that pull salary data on demand
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing on-demand employee salary data without API key management
- —Low-volume, pay-as-you-go data retrieval
Not for
- —Bulk payroll data exports requiring thousands of records at once
- —Use cases requiring authenticated, role-based access control over sensitive HR data
- —Free or subscription-based API access patterns
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/7/salary \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_token>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, no documentation beyond a landing page, and the specific employee salary endpoint is not listed among the provider's advertised APIs, making its purpose and data format unclear.
Warnings
- —No documentation available — docs, API, pricing, and README pages all returned only 'Connect wallet' with no content.
- —The /api/v1/employees/7/salary endpoint is not listed among the provider's advertised APIs on the landing page, suggesting it may be a demo or undocumented resource.
- —No request body schema or response schema is documented; callers must discover the format experimentally.
- —Employee salary data may be synthetic/demo data — no indication this serves real payroll information.
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units in USDC (asset 0x8335…) on Base networkhttps://lowpaymentfee.com/api/v1/employees/7/salary
- —The provider advertises $0.02/request flat pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 with 6 decimalshttps://lowpaymentfee.com