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 paywall. The specific resource `/api/v1/employees/30` returns JSON data for employee record #30 when a valid X-PAYMENT header is provided. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of $0.02 per request (20,000 base units at 6 decimals).
The broader lowpaymentfee.com platform advertises a wide catalog of x402-gated APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments.
Documentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available from the crawl. The endpoint is confirmed live (HTTP 402 challenge captured), but the actual data returned after payment is unknown beyond the stated mimeType of application/json.
Capabilities
Use cases
- —Retrieving employee records via pay-per-call x402 protocol
- —Demonstrating x402 payment flows on Base network
- —Accessing structured employee data without API key registration
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that need on-demand employee data without subscription
- —Projects already using USDC on Base for micropayments
Not for
- —Bulk employee data retrieval (no documented batch endpoint)
- —Users who need detailed API documentation or SDKs before integrating
- —Anyone requiring non-crypto payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/30 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is confirmed live via a valid 402 challenge, but there is zero documentation on request parameters, response schema, or what employee data is actually returned. No OpenAPI spec, no examples, and all doc pages are empty wallet-connect stubs. The listing is effectively a stub.
Warnings
- —No API documentation available — /docs, /pricing, /api, and /README all return only a wallet connect prompt
- —No OpenAPI or schema definition found for request or response payloads
- —The nature and source of 'employee data' is completely undocumented — unclear if this is sample/demo data or a real dataset
- —Cannot verify what data is returned after payment without actually paying
Citations
- —Endpoint returns HTTP 402 with x402 challenge requiring USDC payment on Base networkhttps://lowpaymentfee.com/api/v1/employees/30
- —maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02https://lowpaymentfee.com/api/v1/employees/30
- —Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —Platform lists APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categorieshttps://lowpaymentfee.com
- —Documentation pages (/docs, /pricing, /api, /README) contain only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs