x402-gated premium API endpoint on Base, pay-per-call with USDC.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform are priced at $0.02 per request, payable in USDC on the Base network with no API keys, rate limits, or commitments required.
The specific endpoint `/api/v1/benefits/97` is labeled "Premium API Access" but its exact functionality is not documented in the available crawl material. The x402 challenge confirms it is live, accepts POST requests, and requires payment of up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. The response MIME type is application/json.
Because the endpoint's name is generic ("Premium API Access") and no documentation, schema, or example responses are available beyond the x402 challenge and the platform's landing page, the actual data or service returned by this specific endpoint remains unclear. The platform's docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content, so detailed documentation is unavailable.
Capabilities
Use cases
- —Accessing a pay-per-call API endpoint without needing API keys or subscriptions
- —Demonstrating x402 payment protocol integration on the Base network
- —Agent-driven API consumption with per-request USDC micropayments
Fit
Best for
- —Developers exploring x402 payment-gated APIs
- —Agents that can settle USDC payments on Base
- —Users who want zero-commitment, pay-as-you-go API access
Not for
- —Users who need detailed documentation or guaranteed SLAs before calling
- —Anyone without a Base-compatible USDC wallet
- —Use cases requiring free or subscription-based access
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/benefits/97 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but the endpoint's actual functionality is completely undocumented. No request/response schema, no examples, and the docs pages are empty beyond a wallet-connect prompt. The generic name 'Premium API Access' provides no insight into what data or service is returned.
Warnings
- —Endpoint functionality is undocumented — 'Premium API Access' is a generic label with no description of what it returns
- —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no usable content
- —No request or response schema available; callers cannot know what to send or expect back
- —The /api/v1/benefits/97 path does not appear in the platform's listed API catalog on the landing page
Citations
- —The platform lists all endpoints at $0.02 per request with no API keys, rate limits, or commitmentshttps://lowpaymentfee.com
- —The x402 challenge shows maxAmountRequired of 20000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02https://lowpaymentfee.com/api/v1/benefits/97
- —Payment is sent to 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeouthttps://lowpaymentfee.com/api/v1/benefits/97
- —Docs, pricing, API, and README pages all show only 'Connect wallet' with no further contenthttps://lowpaymentfee.com/docs