x402-gated HR document endpoint on Base, pay-per-request with USDC.
What it does
This endpoint at lowpaymentfee.com serves an HR document resource (document ID 15) behind an x402 paywall. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, infrastructure utilities, and more — all settled via USDC on the Base network using the x402 protocol.
The specific endpoint `/api/v1/hr/documents/15` returns JSON content upon payment. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires up to 20,000 base units of USDC (0.02 USD) per call, paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The asset contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` is the canonical Base USDC contract. No API keys or rate limits are advertised; access is purely payment-gated.
Documentation is extremely sparse. The crawled docs, API, pricing, and README pages all rendered only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no description of the HR document's structure or contents, and no example responses. The endpoint's purpose — serving "HR documents" — is not explained anywhere on the site. The platform's landing page lists many other endpoints but does not include this specific HR documents path, making it unclear whether this is a demo, a real data service, or a placeholder.
Capabilities
Use cases
- —Retrieving HR document data via a single paid API call
- —Demonstrating x402 payment protocol integration on Base
- —Agent-driven document access without API key management
Fit
Best for
- —Developers experimenting with x402 payment flows on Base
- —Agents that need keyless, pay-per-use document retrieval
- —Testing USDC micropayment integrations
Not for
- —Production HR document management (no schema or SLA documented)
- —Users needing detailed API documentation or guaranteed uptime
- —Bulk document retrieval at scale (no batch endpoint evident)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/15 \
-H "X-PAYMENT: <x402-payment-header>" \
-H "Content-Type: application/json"Endpoint
Quality
The x402 challenge is live and well-formed, confirming the endpoint exists and accepts payment. However, there is no documentation, no OpenAPI schema, no example responses, and no explanation of what the HR document contains. The docs/pricing/README pages are all empty beyond a wallet connect prompt. This is effectively a stub listing.
Warnings
- —No documentation available — docs, pricing, and README pages render only 'Connect wallet'
- —No OpenAPI or output schema provided; response format is unknown
- —The /api/v1/hr/documents/15 path is not listed on the provider's landing page among their advertised APIs
- —Purpose and contents of 'HR documents' are completely undocumented
- —No SLA, rate limit, or uptime guarantees documented
Citations
- —The endpoint returns a 402 challenge requiring USDC payment of 20000 base units (0.02 USD) on Base networkhttps://lowpaymentfee.com/api/v1/hr/documents/15
- —The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/hr/documents/15
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The docs, API, pricing, and README pages contain only a 'Connect wallet' prompt with no substantive documentationhttps://lowpaymentfee.com/docs