x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/subscriptions/94

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all gated via the x402 protocol on the Base network and settled in USDC.

The specific endpoint `/api/v1/stripe/subscriptions/94` is listed as "Premium API Access" with a maximum cost of 20,000 base units of USDC (0.02 USD per request). The x402 challenge confirms the endpoint is live, accepts POST requests, and pays out to a specified Ethereum address on Base. The platform advertises no API keys, no rate limits, and instant access — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

However, the actual functionality behind this particular endpoint is unclear. The path suggests it relates to Stripe subscriptions, but no documentation, request schema, or response schema is available. The crawled docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without further documentation it is impossible to confirm what data or service this endpoint returns upon successful payment.

Capabilities

x402-paymentusdc-settlementbase-networkper-request-billingpost-method

Use cases

  • —Programmatic access to a premium API resource without traditional API keys
  • —Agent-driven workflows that need to pay per-call in USDC on Base
  • —Testing x402 payment flows against a live endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol integrations
  • —AI agents that can autonomously pay for API calls via crypto
  • —Users who want keyless, pay-as-you-go API access

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —Applications requiring fiat-only payment rails
  • —Anyone needing to understand the exact response payload before committing

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/94 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/94
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 the endpoint actually does. The crawled pages are essentially empty beyond a wallet-connect prompt. The listing is effectively a stub.

Warnings

  • —No documentation available — all doc/API/pricing/README pages returned only 'Connect wallet' with no content.
  • —The actual functionality of this endpoint is unknown; the path '/api/v1/stripe/subscriptions/94' is suggestive but unverified.
  • —No request or response schema is provided; callers cannot know what to send or what to expect back.
  • —The platform lists many endpoints but none have visible documentation beyond titles and prices.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:15:50Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/WMF6tC
x402-gated premium API access on Base, paid per-request in USDC. — Clawmart · Clawmart