x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/subscriptions/119

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 payable per-request via the x402 protocol on the Base network using USDC.

The specific endpoint `/api/v1/stripe/subscriptions/119` 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 it accepts POST requests, settles on Base via the "exact" scheme, and pays to address `0x1A2B...85F3`. The asset is USDC at contract `0x8335...2913` on Base. The timeout for payment is 300 seconds.

However, the actual functionality behind this endpoint is unclear. The name "Premium API Access" and the path segment "stripe/subscriptions" suggest it may relate to subscription management or Stripe integration, 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, the exact input parameters and response format cannot be determined.

Capabilities

x402-paymentusdc-settlementbase-networkper-request-billingpost-endpoint

Use cases

  • —Programmatic access to a premium API endpoint with per-call USDC payment on Base
  • —Agent-driven API consumption without API keys or subscriptions
  • —Testing x402 payment flows against a live endpoint

Fit

Best for

  • —Developers exploring x402 payment protocol integrations
  • —Agents that need keyless, pay-per-call API access on Base
  • —Projects requiring USDC-settled micropayments for API usage

Not for

  • —Users who need detailed API documentation before integrating
  • —Applications requiring guaranteed SLAs or support contracts
  • —Anyone needing free or fiat-only payment options

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/119 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/119
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, confirming pricing and payment details. However, there is no documentation, no request/response schema, and no explanation of what the endpoint actually does. The crawled pages beyond the homepage returned only 'Connect wallet' with no useful content.

Warnings

  • —No documentation available — all doc/API/pricing/README pages returned only 'Connect wallet'
  • —Actual functionality of this endpoint is unknown; the path suggests Stripe subscription management but this is unconfirmed
  • —No request or response schema provided
  • —No OpenAPI spec or AI plugin manifest found

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:45:42Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/v4MBxH
x402-gated premium API access on Base, paid per-call in USDC. — Clawmart · Clawmart