x402-gated employee salary data endpoint on Base, paid per-request in USDC.
What it does
This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 162) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum cost of $0.02 per request (20,000 base units at 6 decimals).
The endpoint is part of a broader platform (lowpaymentfee.com) that offers a variety of x402-gated APIs across data analytics, AI/ML inference, finance/Web3, and infrastructure categories — all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access. However, the specific endpoint being listed here (/api/v1/employees/162/salary) is not mentioned on the provider's landing page among the advertised API categories, which raises questions about its purpose and whether it returns real or sample data.
Documentation is extremely sparse. The /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what fields the salary response contains. The endpoint is confirmed live (returns a proper 402 x402 challenge), but the lack of documentation makes it difficult to assess the actual utility or data quality of this endpoint.
Capabilities
Use cases
- —Retrieving salary information for a specific employee record
- —Demonstrating x402 micropayment integration with a simple data endpoint
- —Testing x402 payment flows against a live endpoint on Base
Fit
Best for
- —Developers experimenting with x402 payment protocol on Base
- —Testing micropayment-gated API integrations
- —Quick access to a live x402 endpoint for prototyping
Not for
- —Production payroll or HR systems requiring authenticated, auditable data sources
- —Bulk employee data retrieval across many records
- —Users without USDC on the Base network
Quick start
# The endpoint requires an X-PAYMENT header with a valid x402 payment token.
# Using curl to see the 402 challenge:
curl -X POST https://lowpaymentfee.com/api/v1/employees/162/salary
# Returns 402 with x402 challenge. Use an x402-compatible client to attach payment.Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but documentation is essentially nonexistent — no schema, no examples, no description of response fields. The specific employee salary endpoint is not listed among the provider's advertised APIs, raising uncertainty about its purpose and data quality. Score reflects a functional but poorly documented stub.
Warnings
- —This specific endpoint (/api/v1/employees/162/salary) is not listed among the provider's advertised API categories on the landing page.
- —No documentation, OpenAPI schema, or response examples are available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet'.
- —Unknown whether the endpoint returns real, synthetic, or sample data.
- —The endpoint is hardcoded to employee ID 162; it is unclear if other employee IDs are supported or what the data source is.
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Basehttps://lowpaymentfee.com/api/v1/employees/162/salary
- —The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/employees/162/salary
- —Documentation pages (/docs, /api, /pricing, /README) render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs