x402-gated employee salary endpoint on Base, paying $0.02 per request in USDC.
What it does
This endpoint at lowpaymentfee.com exposes an employee salary resource (`/api/v1/employees/43/salary`) behind an x402 paywall. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 "exact" scheme. The maximum amount required per call is 20,000 base units, which at 6 decimals for USDC equals $0.02.
The provider site lowpaymentfee.com hosts a broader 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. However, the specific `/employees/43/salary` endpoint is not listed on the provider's public catalog page, and no documentation, request schema, or response schema is available for it. The endpoint is live (returns a proper 402 challenge), but the actual data it returns and the expected POST body are unknown.
Because there is no OpenAPI spec, no example responses, and no documentation beyond the 402 challenge itself, the practical utility and data content of this endpoint remain unclear. Agents should treat this as an exploratory or demo endpoint until further documentation surfaces.
Capabilities
Use cases
- —Retrieving salary information for a specific employee record
- —Demonstrating x402 micropayment flows on Base
- —Integrating pay-per-call data access into agent workflows
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing on-demand employee salary data behind micropayments
- —Testing USDC-based pay-per-request patterns on Base
Not for
- —Bulk payroll data exports (single-employee endpoint, no batch support documented)
- —Users without a Base-network USDC wallet
- —Production HR systems requiring authenticated, auditable access
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/43/salary \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming it exists and accepts payments. However, there is no documentation, no request/response schema, no examples, and the endpoint is not even listed on the provider's own catalog page. The purpose and data content are entirely inferred from the URL path.
Warnings
- —No documentation or OpenAPI schema available for this specific endpoint
- —Endpoint /api/v1/employees/43/salary is not listed on the provider's public catalog — may be a demo or internal resource
- —No request body schema or response schema provided; actual payload structure is unknown
- —Docs, API, pricing, and README pages on the provider site all render only a 'Connect wallet' prompt with no useful content
Citations
- —The endpoint returns a 402 challenge with x402Version 1, scheme 'exact', network 'base', maxAmountRequired 20000, asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 (USDC)https://lowpaymentfee.com/api/v1/employees/43/salary
- —Provider site lists all APIs at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The /api/v1/employees/43/salary endpoint is not listed among the provider's publicly cataloged APIshttps://lowpaymentfee.com