x402-gated employee data endpoint on Base, pay-per-request with USDC.
What it does
This endpoint at lowpaymentfee.com serves employee data behind an x402 payment wall. The specific resource `/api/v1/employees/80` returns JSON data for employee record #80 when a valid X-PAYMENT header is provided. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 "exact" scheme.
The endpoint charges a maximum of 20,000 base units of USDC per request. Since USDC uses 6 decimals, this equals $0.02 per call — consistent with the provider's advertised flat rate of $0.02/request across all their APIs. The provider advertises no API keys, no rate limits, and instant access. The broader lowpaymentfee.com platform offers additional endpoint categories including data/analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance/Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation), all at the same $0.02 per-request price point.
Documentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns 402 with a valid x402 challenge on POST), but the actual shape of the employee data response is unknown.
Capabilities
Use cases
- —Retrieving individual employee records by ID via a pay-per-call model
- —Integrating employee data into agent workflows without API key management
- —Demonstrating x402 micropayment protocol usage on Base
Fit
Best for
- —Agents needing on-demand employee data without subscription commitments
- —Developers experimenting with x402 payment protocol integrations
- —Low-volume lookups where per-request pricing is cost-effective
Not for
- —Bulk employee data exports or high-volume HR analytics
- —Users who need detailed API documentation or guaranteed SLAs
- —Anyone requiring authenticated, role-based access control for sensitive HR data
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/80 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples of what the employee data actually looks like. This is effectively a stub listing.
Warnings
- —No API documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet'
- —No OpenAPI or JSON schema describing request parameters or response shape
- —The nature and source of 'employee' data is completely undocumented — unclear if this is sample/demo data or a real dataset
- —No information on data freshness, accuracy, or compliance considerations for employee/HR data
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/employees/80
- —The provider advertises $0.02/request flat 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/80
- —Documentation pages (/docs, /pricing, /api, /README) render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs