Pay-per-call premium API access on Base via x402 — $0.02/request in USDC.
What it does
This endpoint at lowpaymentfee.com is part of a broader suite of x402-gated APIs covering data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities. The specific resource `/api/v1/generate/resource/192` is listed under "Premium API Access" and accepts POST requests, settling payments in USDC on the Base network at $0.02 per call (20,000 base units with 6 decimals). No API keys or rate limits are advertised; callers pay per request using the x402 protocol.
The provider's landing page lists roughly 16 endpoints across four categories: 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 (geocoding, validation, conversion, generation). All endpoints are priced uniformly at $0.02 per request. The x402 challenge for this specific resource was captured live and confirms the endpoint is operational.
Documentation is extremely sparse — the /docs, /api, /pricing, and /README pages all returned only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available. The exact functionality behind "Premium API Access" at resource/192 is unclear from the available material, making it difficult to determine what data or service this particular endpoint returns.
Capabilities
Use cases
- —Accessing premium API resources with per-call USDC micropayments on Base
- —Agent-driven workflows that need keyless, pay-as-you-go API access
- —Programmatic access to utility/generation endpoints without subscription commitments
Fit
Best for
- —Developers wanting zero-commitment, pay-per-use API access
- —AI agents that can settle x402 payments autonomously on Base
- —Projects needing low-cost ($0.02) per-request API calls without rate limits
Not for
- —Users who need detailed API documentation or OpenAPI specs before integrating
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/192 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>" \
-d '{}'Example
Request
{
"url": "https://lowpaymentfee.com/api/v1/generate/resource/192",
"body": {},
"method": "POST",
"headers": {
"X-PAYMENT": "<x402-payment-token>",
"Content-Type": "application/json"
}
}Endpoint
Quality
The x402 challenge is live and confirms pricing and payment details, but there is zero documentation on what this endpoint actually does. No OpenAPI spec, no request/response schema, no examples. The endpoint name 'Premium API Access' at resource/192 is generic and uninformative. Effectively a stub listing.
Warnings
- —No documentation available — /docs, /api, /pricing, and /README pages all return only 'Connect wallet' with no content.
- —No OpenAPI or schema definition found; request and response formats are unknown.
- —The exact functionality of /api/v1/generate/resource/192 ('Premium API Access') is not described anywhere in the crawled material.
- —Cannot verify what data or service this specific endpoint returns without making a paid request.
Citations
- —The endpoint returns a 402 challenge requesting USDC payment on Base network with maxAmountRequired of 20000 base unitshttps://lowpaymentfee.com/api/v1/generate/resource/192
- —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 provider lists ~16 endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base networkhttps://lowpaymentfee.com/api/v1/generate/resource/192