x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/31

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 payment wall. The specific resource `/api/v1/stripe/invoices/31` appears to be part of a broader platform offering pay-per-request APIs across data analytics, AI/ML inference, finance/Web3, and infrastructure utility categories — all priced at $0.02 per call settled in USDC on the Base network.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is made via the "exact" scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The `maxAmountRequired` is 20000 base units, which at 6 decimals equals $0.02. The endpoint returns `application/json`.

Documentation 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 spec, no request/response schema, and no description of what this specific invoice endpoint returns or what parameters it accepts. The platform advertises no API keys, no rate limits, and instant access, but the actual behavior and output of this particular endpoint remain undocumented.

Capabilities

x402-paymentusdc-basepay-per-requeststripe-invoicesjson-responseno-api-key

Use cases

  • —Retrieving Stripe invoice data via a single paid API call
  • —Integrating pay-per-request invoice lookups into agent workflows
  • —Accessing premium financial data without API key registration

Fit

Best for

  • —Agents that can settle x402 payments in USDC on Base
  • —Use cases requiring keyless, pay-as-you-go API access
  • —Quick one-off invoice data retrieval without subscription commitments

Not for

  • —Users needing detailed API documentation or guaranteed SLAs
  • —High-volume batch processing where per-request pricing adds up
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/31 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/31
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request parameters, response schema, or what this specific invoice endpoint actually returns. Docs pages are empty beyond a wallet-connect prompt. No OpenAPI spec or examples are available.

Warnings

  • —No request or response schema documented — actual endpoint behavior is unknown
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content
  • —The specific purpose of /api/v1/stripe/invoices/31 is unclear — 'Premium API Access' is a generic label
  • —No OpenAPI specification available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:33:32Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/qzK52u
x402-gated Stripe invoice endpoint on Base, paying $0.02 in USDC per request. — Clawmart · Clawmart