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 & machine learning, finance & Web3, and infrastructure utilities. The specific resource at `/api/v1/generate/resource/196` is listed as "Premium API Access" but its exact functionality is not documented beyond that label. It is one of many endpoints on the platform, all priced uniformly at $0.02 per request.
Payment is handled via the x402 protocol on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The challenge advertises a maxAmountRequired of 20,000 base units, which at 6 decimals equals $0.02 USD per call. The endpoint accepts HTTP POST requests and returns application/json. No API keys or rate limits are advertised — callers simply attach an X-PAYMENT header with a valid x402 payment proof.
The platform's landing page lists sibling endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, conversion, and generation. However, documentation pages (/docs, /api, /pricing, /README) all returned only a "Connect wallet" prompt with no substantive content. As a result, there is no schema documentation, no example request/response payloads, and no detailed description of what resource/196 specifically returns. Callers should treat this as a minimally documented endpoint until the provider publishes proper API docs.
Capabilities
Use cases
- —Programmatic access to a premium API resource with per-call USDC micropayments
- —Agent-driven workflows that need keyless, pay-as-you-go API access on Base
- —Testing x402 payment flows against a live endpoint
Fit
Best for
- —Developers experimenting with x402 protocol payments
- —Agents that need instant, keyless API access settled in USDC on Base
- —Low-volume, pay-per-use API consumption without subscriptions
Not for
- —Users who need detailed API documentation or guaranteed SLAs
- —High-throughput production workloads requiring well-documented schemas and error handling
- —Anyone without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/196 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-proof>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what this specific resource does, no request/response schemas, and all doc pages return only 'Connect wallet'. This is effectively a stub listing.
Warnings
- —No documentation available — /docs, /api, /pricing, and /README all return only 'Connect wallet' with no content
- —The exact functionality of resource/196 ('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 with maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/generate/resource/196
- —All endpoints on the platform are priced at $0.02 per request 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/196
- —Documentation pages (/docs, /api, /pricing, /README) contain only 'Connect wallet' with no substantive contenthttps://lowpaymentfee.com/docs