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/134

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall. It is part of a broader platform offering dozens of pay-per-request API endpoints spanning data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities — all settled on the Base network using USDC.

The specific endpoint `/api/v1/stripe/subscriptions/134` is listed under the title "Premium API Access" and accepts POST requests. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0x8335… on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is made via the x402 exact scheme with no API keys or rate limits required. The payment timeout is 300 seconds.

Documentation on the site is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what this particular endpoint actually returns. The endpoint path suggests it may relate to Stripe subscription management, but this is speculative. Without documentation, the actual functionality behind this paywall is unclear.

Capabilities

x402-paymentusdc-settlementbase-networkper-request-pricingpost-methodno-api-key

Use cases

  • —Accessing a premium API endpoint with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic subscription or payment-related operations via x402

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access on Base
  • —AI agents that can settle x402 payments autonomously
  • —Users who prefer crypto micropayments over traditional API billing

Not for

  • —Users who need detailed API documentation before integrating
  • —Applications requiring guaranteed SLAs or support contracts
  • —Users without USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/134 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/subscriptions/134
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 actual functionality behind the paywall is entirely undocumented. The docs pages all render only 'Connect wallet' with no content.

Warnings

  • —No API documentation available — docs, pricing, and README pages are empty beyond a wallet-connect prompt
  • —No OpenAPI or schema describing request parameters or response format
  • —Actual functionality of /api/v1/stripe/subscriptions/134 is unknown — the path suggests Stripe subscription management but this is unconfirmed
  • —No request or response examples available anywhere in crawled content

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:48:09Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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