x402-payable API suite on Base: analytics, AI, finance, and utility endpoints at $0.02/request.
What it does
lowpaymentfee.com offers a collection of pay-per-call API endpoints accessible via the x402 payment protocol on the Base network. The specific endpoint at `/api/v1/generate/resource/114` is listed as "Premium API Access" and accepts USDC payments on Base. The x402 challenge shows a maxAmountRequired of 20,000 base units of USDC (6 decimals), which equals $0.02 per request — consistent with the site's advertised flat pricing.
The broader platform advertises 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 listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments required.
However, the specific functionality behind `/api/v1/generate/resource/114` is not documented — the description is simply "Premium API Access" with no input/output schema, no examples, and no further documentation. The docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without knowing what this endpoint actually generates or returns, agents should treat this as an opaque paid endpoint with uncertain utility.
Capabilities
Use cases
- —Programmatic access to a paid API endpoint without API key registration
- —Agent-driven pay-per-call workflows using x402 on Base
- —Testing x402 payment protocol integrations with a low-cost endpoint
Fit
Best for
- —Developers experimenting with x402 payment flows
- —Agents that need keyless, pay-per-use API access on Base
- —Low-cost per-request micropayment testing
Not for
- —Users who need documented input/output schemas before calling
- —Production workloads requiring SLA guarantees or detailed documentation
- —Free-tier or subscription-based API consumers
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/114 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation of what this specific endpoint does, no input/output schema, no examples, and all doc pages are empty. The listing is effectively a stub.
Warnings
- —No documentation available — docs, API, pricing, and README pages all return only 'Connect wallet' with no content
- —The specific functionality of /api/v1/generate/resource/114 is completely undocumented
- —No input or output schema provided; callers cannot know what to send or expect back
- —No OpenAPI spec or AI plugin manifest found
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/generate/resource/114
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/generate/resource/114
- —All endpoints listed at $0.02 per request with no API keys, no rate limits, instant accesshttps://lowpaymentfee.com
- —Platform offers endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com