x402-gated premium API endpoint on Base, pay-per-call with USDC at $0.02/request.
What it does
This endpoint is part of the lowpaymentfee.com platform, which offers a collection of x402-protocol pay-per-request APIs spanning data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities. The specific resource at `/api/v1/generate/resource/46` is listed as "Premium API Access" but its exact functionality is not documented beyond that label.
Payment is handled via the x402 protocol on the Base network using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`). The maximum amount required per call is 20,000 base units of USDC, which at 6 decimals equals $0.02 USD — consistent with the site's advertised flat pricing of $0.02 per request. The endpoint accepts POST requests, requires no API keys, and advertises no rate limits. Payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a timeout of 300 seconds.
The platform's landing page lists 16 endpoints across four categories but provides essentially no documentation on request/response schemas, parameters, or example payloads. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional content. Because of this, the actual behavior and output of resource/46 cannot be confirmed from available materials.
Capabilities
Use cases
- —Programmatic access to a premium resource via x402 micropayment on Base
- —Agent-driven API consumption without pre-registration or API keys
- —Demonstrating x402 pay-per-request protocol integration
Fit
Best for
- —Developers experimenting with x402 protocol payments
- —Agents that can settle USDC on Base for per-call API access
- —Use cases requiring keyless, pay-as-you-go API access
Not for
- —Users who need detailed API documentation or guaranteed SLAs
- —Applications requiring known, well-documented request/response schemas
- —High-volume use cases where per-call crypto settlement overhead matters
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/46 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming pricing and payment details. However, there is zero documentation on what this endpoint actually does — no request schema, no response schema, no examples, and no description beyond the generic label "Premium API Access". The docs/pricing/README pages are all empty wallet-connect stubs.
Warnings
- —The exact functionality of /api/v1/generate/resource/46 is completely undocumented; 'Premium API Access' is the only description available.
- —All documentation pages (docs, API, pricing, README) render only a 'Connect wallet' prompt with no usable content.
- —No request or response schema is available; callers cannot know what parameters to send or what to expect back.
- —The platform lists 16 endpoints but none have documented schemas or examples.
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/generate/resource/46
- —The platform advertises $0.02 per request flat pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/generate/resource/46
- —Docs, API, pricing, and README pages contain only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs