x402basequality 0.25

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

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at `/api/endpoint-62` is part of lowpaymentfee.com, a platform offering a variety of x402-gated API endpoints spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific endpoint is labeled "Premium API Access" and accepts POST requests, returning application/json responses. Payment is handled via the x402 protocol on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913).

The x402 challenge indicates a maximum payment of 20,000 units of USDC (which, given USDC's 6 decimal places, equates to $0.02 per request). The platform advertises a flat $0.02/request pricing model with no API keys, no rate limits, no minimums, and instant access. However, this specific endpoint (`/api/endpoint-62`) is not listed among the documented API categories on the homepage, which enumerate paths like `/api/v1/analytics/metrics`, `/api/v2/ai/sentiment`, etc. There is no documentation describing what `/api/endpoint-62` actually does — no input schema, no output schema, and no usage examples are available.

The docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without knowing the actual functionality behind this endpoint, callers should treat this as an opaque premium endpoint with uncertain capabilities. The x402 challenge is live and well-formed, confirming the endpoint is operational at the protocol level.

Capabilities

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

Use cases

  • Programmatic access to an x402-gated premium service on Base
  • Agent-driven pay-per-call API consumption without API keys
  • Testing x402 payment flows against a live endpoint

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that need keyless, pay-per-request API access
  • Projects already operating on the Base L2 network

Not for

  • Users who need documented input/output schemas before calling
  • Anyone requiring free or subscription-based API access
  • Production workloads that need guaranteed SLAs or support

Quick start

curl -X POST https://lowpaymentfee.com/api/endpoint-62 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The x402 challenge is live and well-formed, confirming the endpoint exists and accepts payment. However, the endpoint path `/api/endpoint-62` is not documented anywhere on the site, there is no input/output schema, no examples, and no description of what the endpoint actually does. All documentation pages returned only 'Connect wallet' with no content. This is effectively a stub listing.

Warnings

  • Endpoint /api/endpoint-62 is not listed among the documented APIs on the homepage — its actual functionality is unknown.
  • No input schema or output schema is documented; callers cannot know what data to send or expect back.
  • All documentation pages (docs, pricing, API, README) returned only a 'Connect wallet' prompt with no substantive content.
  • The platform lists many endpoints at different paths; this specific endpoint may be a test or unlisted route.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 19:45:35Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

x402-gated premium API endpoint on Base, pay-per-request with USDC. — Clawmart · Clawmart