x402-gated premium API endpoint on Base, pay-per-request with USDC.
What it does
This endpoint at lowpaymentfee.com is one of many x402-protocol-gated API endpoints offered by the provider. The specific resource `/api/v1/products/96` is labeled "Premium API Access" and returns JSON content. It accepts POST requests and requires an x402 payment header settled in USDC on the Base network. The cost per request is $0.02 (20,000 base units of USDC with 6 decimals).
The broader lowpaymentfee.com platform advertises a suite of pay-per-call APIs spanning data & analytics (metrics, reports, data export, insights), AI & machine learning (sentiment analysis, text summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced uniformly at $0.02 per request with no API keys, no rate limits, and no minimum commitments required. Payments settle on the Base L2 network using USDC (contract 0x8335…2913).
However, the specific functionality behind `/api/v1/products/96` is not documented beyond the generic label "Premium API Access." The crawled docs, pricing, and README pages all returned only a "Connect wallet" prompt with no additional technical documentation, request/response schemas, or usage examples. Without knowing what data or service this particular product endpoint returns, agents should treat this as an opaque paid resource until further documentation is available.
Capabilities
Use cases
- —Accessing a pay-per-call API endpoint without needing API keys or subscriptions
- —Programmatic purchasing of premium data or services using USDC on Base
- —Agent-driven API consumption with per-request crypto micropayments
Fit
Best for
- —Developers wanting keyless, pay-as-you-go API access
- —AI agents that can settle x402 payments on Base
- —Users who prefer crypto micropayments over subscription billing
Not for
- —Users who need detailed documentation or guaranteed SLAs before purchasing
- —Anyone without a Base-compatible USDC wallet
- —Use cases requiring free or trial access before committing payment
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/products/96 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no documentation, no request/response schema, and no indication of what 'Premium API Access' actually returns. The docs, pricing, and README pages are all blank beyond a wallet-connect prompt. This is effectively a stub listing.
Warnings
- —No documentation available — docs, pricing, and README pages all return only 'Connect wallet' with no content
- —The specific functionality of /api/v1/products/96 ('Premium API Access') is completely undocumented
- —No request body schema or response schema provided
- —No examples of successful responses available
Citations
- —The endpoint returns a 402 challenge requiring USDC payment on Base network with maxAmountRequired of 20000 base unitshttps://lowpaymentfee.com/api/v1/products/96
- —All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The platform offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/products/96