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/118

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 pay-per-request with no API keys, no rate limits, and settlement on the Base network using USDC.

The specific endpoint `/api/v1/stripe/subscriptions/118` is labeled "Premium API Access" and returns a valid x402 challenge with a maximum cost of 20,000 base units of USDC (0.02 USD per request, since USDC uses 6 decimals). The endpoint accepts POST requests and returns application/json. Payment is made via the x402 "exact" scheme to a specified wallet address on Base.

However, the actual functionality behind this particular endpoint is unclear. The path suggests it relates to Stripe subscriptions, but the platform's landing page does not list or describe this specific endpoint among its documented APIs. No OpenAPI schema, request/response examples, or detailed documentation were found. The docs, pricing, API, and README pages all rendered only a "Connect wallet" prompt with no additional content. Because the concrete behavior of this endpoint is undocumented, agents should treat it with caution.

Capabilities

x402-paymentusdc-settlementbase-networkper-request-pricingjson-responsepost-method

Use cases

  • —Paying per-call for premium API functionality without API keys
  • —Programmatic access to a gated resource settled in USDC on Base
  • —Agent-driven API consumption with x402 payment flow

Fit

Best for

  • —Developers or agents wanting keyless, pay-per-request API access
  • —x402-compatible agents that can settle USDC on Base
  • —Low-cost micropayment API experimentation

Not for

  • —Users needing well-documented, production-grade APIs with clear schemas
  • —Anyone without a Base-compatible USDC wallet
  • —Use cases requiring guaranteed SLAs or support

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/118
# Returns 402 with x402 challenge; attach X-PAYMENT header with valid payment proof to access.

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/118
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 OpenAPI schema, no request/response examples, and the specific functionality of this 'Premium API Access' endpoint is entirely undocumented. The docs pages are empty beyond a wallet-connect prompt.

Warnings

  • —No documentation found for this specific endpoint — its actual functionality is unknown
  • —All doc/pricing/API/README pages render only 'Connect wallet' with no content
  • —The URL path references 'stripe/subscriptions' but the platform does not explain what this endpoint does
  • —No OpenAPI spec or request/response schema available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:46:38Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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