x402-gated HR document endpoint on Base, pay-per-request with USDC.
What it does
This endpoint at `/api/v1/hr/documents/31` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML, finance, infrastructure, and more. The specific resource appears to serve an HR document (document ID 31) behind an x402 paywall. Payment is settled in USDC on the Base network using the "exact" scheme.
The x402 challenge confirms the endpoint is live and accepts POST requests. The maximum amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The platform advertises uniform $0.02/request pricing across all its endpoints, with no API keys, no rate limits, and instant access. Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout.
Note that the specific content and schema of the HR document response are not documented. The endpoint path suggests it returns a particular HR-related document, but no OpenAPI spec, response schema, or example responses are available. The broader platform lists many endpoint categories (analytics, AI, finance, utilities) but provides no detailed documentation for any individual endpoint. The `/api`, `/pricing`, and `/README` pages all returned only a "Connect wallet" prompt with no additional content.
Capabilities
Use cases
- —Retrieving a specific HR document (ID 31) via programmatic pay-per-request access
- —Agent-driven document fetching with automatic USDC micropayment on Base
- —Integrating HR document data into automated workflows without API key management
Fit
Best for
- —Agents or services that need on-demand access to specific HR documents
- —Developers wanting keyless, pay-as-you-go document retrieval
- —x402-compatible clients on the Base network
Not for
- —Bulk document retrieval or batch processing (no documented batch endpoints)
- —Users who need detailed response schema guarantees before integrating
- —Anyone without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/31 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation on what the HR document contains, no OpenAPI spec, no response schema, and no example responses. The /api, /pricing, and /README pages are empty beyond a wallet connect prompt. This is effectively a stub listing.
Warnings
- —No OpenAPI or response schema available for this endpoint
- —No documentation on what HR document 31 contains or its response format
- —The /api, /pricing, and /README pages returned no useful content
- —The endpoint path (/hr/documents/31) targets a single specific document — unclear if other document IDs are valid
- —Platform lists many endpoint categories but provides no detailed docs for any of them
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/hr/documents/31
- —Platform-wide pricing is $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/hr/documents/31