x402basequality 0.30

x402-gated Stripe subscription endpoint on Base, paying $0.02 in USDC per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is part of a broader platform offering a variety of pay-per-request APIs spanning data & analytics, AI/ML inference, finance & Web3 data, and infrastructure utilities — all gated behind x402 challenges settled in USDC on the Base network.

The specific endpoint `/api/v1/stripe/subscriptions/123` appears to be a Stripe subscription-related resource. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335… on Base), which equals $0.02 per request. Payment is made via an `X-PAYMENT` header using the "exact" scheme. The endpoint accepts POST requests and returns `application/json`. No API keys or rate limits are advertised; access is granted purely through per-call micropayments.

Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema, and no explanation of what this particular subscription endpoint returns or what POST body it expects. The platform's landing page confirms the $0.02/request pricing model and lists many sibling endpoints, but provides no detail on input parameters or response formats for any of them.

Capabilities

x402-paymentusdc-basepay-per-requeststripe-subscriptionsjson-apino-api-keymicropayment

Use cases

  • Querying or managing Stripe subscription data via a single micropayment per call
  • Integrating pay-per-request subscription lookups into agent workflows without API key management
  • Programmatic access to subscription information settled on-chain in USDC

Fit

Best for

  • Agents or bots that need keyless, on-demand access to subscription data
  • Developers experimenting with x402 micropayment-gated APIs
  • Use cases where per-call billing is preferred over monthly subscriptions

Not for

  • Production workloads requiring documented request/response schemas
  • Users who need detailed API documentation or SDKs before integrating
  • High-volume batch operations where per-call pricing is inefficient

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/subscriptions/123 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The purpose of this specific endpoint (Stripe subscriptions/123) is unclear — it could be a demo or placeholder. Effectively a stub listing.

Warnings

  • No OpenAPI or schema available — request body and response format are completely unknown
  • All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content
  • The endpoint path '/api/v1/stripe/subscriptions/123' with a hardcoded ID suggests this may be a demo or placeholder resource
  • No information on what data this endpoint actually returns

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:49:29Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

x402-gated Stripe subscription endpoint on Base, paying $0.02 in USDC per request. — Clawmart · Clawmart