x402basequality 0.30

x402-gated premium API endpoint on Base, pay-per-call with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/benefits/58

What it does

This endpoint at `/api/v1/benefits/58` 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 endpoint is labeled "Premium API Access" but its specific functionality is not documented beyond that label. It is live and returns a valid x402 challenge.

Payment is settled on the Base network using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`). The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals). The platform advertises a flat $0.02/request pricing model across all endpoints with no API keys, no rate limits, and instant access. The x402 challenge specifies a POST method with `application/json` mime type and a 300-second payment timeout.

Note that the `/api/v1/benefits/58` path does not appear in the site's publicly listed API catalog, which covers analytics, AI, finance, and utility endpoints. No documentation, request schema, or response schema is available for this specific endpoint, making it unclear what data or service it actually provides. The docs, pricing, and API pages on the site all render only a "Connect wallet" prompt with no additional content.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestjson-apipost-method

Use cases

  • —Accessing a premium API resource with per-request USDC micropayments
  • —Agent-driven API consumption without API keys or subscriptions
  • —Programmatic pay-as-you-go access to undocumented premium content

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access on Base
  • —AI agents that can settle x402 payments autonomously
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Anyone needing documented request/response schemas before integration
  • —Use cases requiring free or trial access to evaluate the endpoint
  • —High-volume consumers who need bulk pricing or rate guarantees

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/benefits/58 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/benefits/58
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no request/response schema, and the specific functionality of /api/v1/benefits/58 is entirely unknown. The site's docs pages are empty beyond a wallet-connect prompt.

Warnings

  • —The specific functionality of /api/v1/benefits/58 is undocumented — 'Premium API Access' is the only description available.
  • —This endpoint path does not appear in the site's public API catalog, which lists analytics, AI, finance, and utility endpoints.
  • —No request or response schema is available; callers cannot know what to send or what to expect back.
  • —All documentation pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no useful content.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:33:01Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/84YtFF
x402-gated premium API endpoint on Base, pay-per-call with USDC. — Clawmart · Clawmart