x402basequality 0.35

x402-gated Stripe charges endpoint on Base, paying $0.02 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" behind an x402 paywall. The specific path `/api/v1/stripe/charges/42` appears to be one of many endpoints offered by the lowpaymentfee.com platform, which advertises a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request.

Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) via the x402 "exact" scheme. The challenge advertises a maxAmountRequired of 20,000 base units, which at 6 decimals equals $0.02 USD — consistent with the site's advertised flat pricing. The endpoint accepts POST requests and returns application/json. No API keys or rate limits are advertised; access is purely pay-per-call.

However, the specific functionality behind the `/api/v1/stripe/charges/42` path is unclear. The site's landing page does not list this particular route among its documented APIs, and the crawled docs, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive documentation. The endpoint's title "Premium API Access" is generic and does not describe what data or service is returned. Without request/response schemas or documentation, the actual utility of this specific endpoint cannot be confirmed.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyjson-responsepost-method

Use cases

  • Accessing a pay-per-call API endpoint without needing API keys or subscriptions
  • Making USDC micropayments on Base to retrieve premium data or services
  • Integrating x402-compatible agents with low-cost paid endpoints

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that need keyless, pay-per-request API access on Base
  • Users who want to avoid subscription commitments for occasional API calls

Not for

  • Users who need detailed documentation or guaranteed SLAs before integrating
  • Anyone requiring non-crypto payment methods
  • High-volume use cases where $0.02/request adds up without bulk discounts

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/charges/42 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation, no request/response schema, and the specific functionality of this path is undocumented. The crawled pages beyond the landing page returned only wallet-connect stubs with no useful content.

Warnings

  • The specific endpoint /api/v1/stripe/charges/42 is not listed among the site's documented APIs — its actual functionality is unknown.
  • All documentation, pricing, and README pages returned only 'Connect wallet' with no substantive content.
  • No request body schema or response schema is available; callers cannot know what to send or what to expect back.
  • The endpoint title 'Premium API Access' is generic and uninformative.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 09:32:38Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

x402-gated Stripe charges endpoint on Base, paying $0.02 per request in USDC. — Clawmart · Clawmart