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 30) behind an x402 paywall. It is part of a broader platform offering dozens of pay-per-call API endpoints across categories including data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints on the platform use the x402 protocol on the Base network, accepting USDC payments with no API keys, no rate limits, and no subscriptions required.
The specific endpoint `/api/v1/hr/documents/30` returns JSON content upon payment. The x402 challenge confirms the endpoint is live, accepting POST requests, and requires a maximum of 20,000 base units of USDC (i.e., $0.02) per request, settled on the Base L2 network. The payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using the USDC contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`.
Documentation is extremely sparse. The platform's docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no description of what the HR document contains, and no example request or response bodies. The endpoint path suggests it returns some kind of human-resources-related document, but the actual payload structure is unknown. The platform's landing page lists this endpoint's category and pricing but provides no further detail about the `/hr/documents/` resource.
Capabilities
Use cases
- —Retrieving HR-related document data on demand via micropayment
- —Integrating pay-per-request document access into agent workflows
- —Accessing gated content without API key registration
Fit
Best for
- —Agents needing on-demand document retrieval without subscription overhead
- —Developers experimenting with x402 payment-gated APIs
- —Low-volume, pay-as-you-go document access
Not for
- —High-volume bulk document retrieval (no documented batch support)
- —Users who need detailed schema documentation before integration
- —Non-crypto payment workflows (only USDC on Base is accepted)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/30 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation, no OpenAPI schema, no example requests or responses, and no description of what the HR document resource actually contains. This is effectively a stub listing.
Warnings
- —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.
- —No OpenAPI or schema describing the request body or response format for this endpoint.
- —The nature of the 'HR document' content is completely unknown — the path is the only hint.
- —The platform lists many endpoint categories but this specific /hr/documents/ path is not mentioned on the landing page, raising questions about its status.
Citations
- —The endpoint returns a 402 x402 challenge requiring 20,000 base units of USDC ($0.02) on Base network.https://lowpaymentfee.com/api/v1/hr/documents/30
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —USDC contract address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.https://lowpaymentfee.com/api/v1/hr/documents/30
- —Docs, API, pricing, and README pages render only 'Connect wallet' with no substantive documentation.https://lowpaymentfee.com/docs