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/34

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/34` is listed as "Premium API Access" and costs up to $0.02 per request (maxAmountRequired of 20,000 base units of USDC with 6 decimals = $0.02). Payment is made via the x402 exact scheme: the caller includes an X-PAYMENT header with a signed USDC payment on Base to the specified payTo address. No API keys, rate limits, or upfront commitments are required — access is instant upon payment.

However, the actual functionality behind this specific endpoint is unclear. The endpoint path suggests it relates to Stripe subscriptions, but the platform's landing page does not list or describe this particular route among its documented APIs. The docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without documentation or example responses, the precise behavior and output of this endpoint cannot be confirmed from the available material.

Capabilities

x402-paymentusdc-settlementbase-networkper-call-pricingno-api-keyhttp-post

Use cases

  • —Programmatic access to premium API functionality without traditional API key signup
  • —Agent-driven workflows that need instant, keyless API access settled in USDC on Base
  • —Integrating pay-per-call services into Web3 applications

Fit

Best for

  • —Developers who want keyless, pay-per-request API access
  • —AI agents with USDC on Base that need to purchase API calls autonomously
  • —Projects that prefer crypto micropayments over subscription billing

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —Anyone without USDC on the Base network
  • —Use cases requiring free or trial-tier access

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/34 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <signed-x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/34
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation, no OpenAPI schema, no example requests or responses, and the actual functionality of this specific endpoint path is undocumented. The docs/pricing/API pages all returned only 'Connect wallet' with no content.

Warnings

  • —Endpoint functionality is undocumented — the path '/api/v1/stripe/subscriptions/34' is not listed among the platform's advertised APIs
  • —All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no substantive content
  • —No OpenAPI spec, request schema, or response schema available
  • —The relationship between 'Premium API Access' and Stripe subscriptions is unexplained

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 11:04:28Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/wsY4pK
x402-gated premium API access on Base, paid per-call in USDC. — Clawmart · Clawmart