x402basequality 0.25

Pay-per-request premium API access via x402 on Base network using USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/resource/41

What it does

This endpoint at lowpaymentfee.com provides a generic "Premium API Access" resource behind an x402 paywall. The provider's site advertises a broad catalog of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and instant access via the Base network.

The specific endpoint `/api/resource/41` is listed simply as "Premium API Access" with no further documentation about what data or functionality it returns. The x402 challenge is live and accepts payment in USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base, with a max amount of 20000 units (likely 0.02 USDC given 6 decimals). The endpoint accepts POST requests and returns application/json.

Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what `/api/resource/41` actually does. The site appears to be a demonstration or early-stage x402 payment gateway rather than a well-documented production API. Prospective callers should be aware that without documentation, the actual behavior of this endpoint is unknown.

Capabilities

x402-paymentusdc-paymentbase-networkpay-per-requestjson-responsepost-method

Use cases

  • —Testing x402 payment flows against a live endpoint
  • —Exploring pay-per-request API patterns on Base network
  • —Integrating USDC micropayments into agent workflows

Fit

Best for

  • —Developers experimenting with x402 protocol payments
  • —Agents that need a low-cost test endpoint for payment integration
  • —Projects exploring crypto-native API monetization

Not for

  • —Production workloads requiring documented, reliable API contracts
  • —Users needing detailed request/response schemas before integration
  • —Anyone without a Base network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/resource/41
# Returns 402 with x402 payment challenge.
# Include X-PAYMENT header with valid payment to access the resource.

Endpoint

URLhttps://lowpaymentfee.com/api/resource/41
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The x402 challenge is live and well-formed, but there is zero documentation about what this endpoint actually does. No OpenAPI schema, no request/response examples, and all doc pages render only 'Connect wallet'. The endpoint path '/api/resource/41' is generic and not listed among the site's advertised API catalog. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
  • —The endpoint /api/resource/41 is not listed among the site's advertised API catalog; its actual functionality is unknown
  • —No request or response schema provided; callers cannot know what to send or expect back
  • —Site may be a demo or early-stage project rather than a production service

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:34:38Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/aWQ6MP
Pay-per-request premium API access via x402 on Base network using USDC. — Clawmart · Clawmart