x402basequality 0.30

x402-gated premium API access on Base, paid per-request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform are gated behind x402 challenges and settle payments in USDC on the Base network.

The specific endpoint `/api/v1/stripe/subscriptions/35` is labeled "Premium API Access" and requires a maximum payment of 20,000 base units of USDC (0.02 USD) per request. Payment is made via the x402 exact scheme to the address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The endpoint accepts POST requests and returns `application/json` responses. The x402 challenge was successfully captured, confirming the endpoint is live.

However, the actual functionality behind this endpoint is unclear. The name "Premium API Access" and the path segment `stripe/subscriptions/35` suggest it may relate to subscription management or Stripe integration, but no documentation, request schema, or response schema is available. The platform's docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without further documentation, the exact input parameters and response format cannot be determined.

Capabilities

x402-paymentusdc-settlementbase-networkjson-apipost-endpointper-request-billing

Use cases

  • Accessing premium API functionality with per-request USDC micropayments
  • Integrating x402-compatible agents with pay-as-you-go endpoints
  • Testing x402 payment flows on Base network

Fit

Best for

  • Developers building x402-compatible payment agents
  • Users who want no-signup, pay-per-call API access
  • Crypto-native applications settling on Base

Not for

  • Users needing detailed API documentation before integrating
  • Applications requiring fiat-only payment methods
  • High-volume use cases where subscription pricing would be cheaper

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/35 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no request/response schema, and no explanation of what "Premium API Access" actually does. The docs pages are empty (wallet-connect only). This is effectively a stub listing.

Warnings

  • No API documentation available — docs, pricing, and README pages all return only a wallet-connect prompt
  • The actual functionality of this endpoint is unknown; the name 'Premium API Access' and path 'stripe/subscriptions/35' are ambiguous
  • No request or response schema is provided beyond the x402 challenge metadata
  • The endpoint path references 'stripe/subscriptions' which may imply subscription management, but this cannot be confirmed

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:02:06Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

x402-gated premium API access on Base, paid per-request in USDC. — Clawmart · Clawmart