Pay-per-call premium API endpoint on Base via x402, settled in USDC at $0.02/request.
What it does
This x402-enabled endpoint at `/api/endpoint-74` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. Each call is settled on the Base network using USDC (contract `0x8335…2913`) through the x402 protocol — no API keys, no rate limits, and no upfront commitments required.
The specific endpoint `/api/endpoint-74` is listed as "Premium API Access" but its exact functionality is not documented beyond that label. The site's broader catalog includes endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all priced at $0.02 per request. The x402 challenge confirms a `maxAmountRequired` of 20,000 base units of USDC (6 decimals), which equals $0.02.
The endpoint accepts HTTP POST requests and returns `application/json`. Documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all resolve but contain only a "Connect wallet" prompt, providing no further technical detail about request/response schemas or the specific capability of endpoint-74.
Capabilities
Use cases
- —Agent-driven API consumption with automatic per-call USDC micropayments
- —Accessing premium data or services without API key registration
- —Programmatic pay-as-you-go access to utility endpoints on Base
Fit
Best for
- —Developers or agents wanting keyless, pay-per-request API access
- —x402-compatible clients settling micropayments in USDC on Base
- —Low-commitment, no-subscription API consumption
Not for
- —Users who need detailed documentation or guaranteed SLAs before integrating
- —High-volume consumers who prefer bulk pricing or subscription plans
- —Anyone unable to settle payments in USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/endpoint-74 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>" \
-d '{}'Endpoint
Quality
The x402 challenge is live and confirms pricing and network details, but the specific functionality of endpoint-74 is completely undocumented. All doc pages return only 'Connect wallet' with no schema, examples, or description of what the endpoint actually does. This is effectively a stub listing.
Warnings
- —The exact functionality of /api/endpoint-74 is unknown — 'Premium API Access' is the only description provided.
- —All documentation pages (/docs, /pricing, /api, /README) contain only 'Connect wallet' with no usable content.
- —No request or response schema is available; consumers cannot know what to send or expect back.
- —This endpoint path does not appear in the site's listed API catalog, which uses /api/v1/ and /api/v2/ prefixes.
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/endpoint-74
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/endpoint-74
- —Site advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —Documentation pages resolve but contain only 'Connect wallet' prompthttps://lowpaymentfee.com/docs