x402basequality 0.35

Pay-per-call Stripe invoice API endpoint on Base network via x402, $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides access to a Stripe invoice resource (invoice ID 124) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum cost of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).

The broader lowpaymentfee.com platform advertises multiple API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities—all priced at $0.02 per request with no API keys, no rate limits, and instant access. However, the specific endpoint listed here (/api/v1/stripe/invoices/124) does not appear in the site's publicly documented API catalog, and its exact functionality (beyond being labeled "Premium API Access") is unclear. No OpenAPI schema, request/response examples, or detailed documentation were found for this particular route.

The endpoint is confirmed live: it returns a proper x402 402 challenge with version 1, scheme "exact", and a 300-second payment timeout. The payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3.

Capabilities

x402-paymentusdc-base-networkstripe-invoice-accesspay-per-requestno-api-key

Use cases

  • Retrieving Stripe invoice data without traditional API key authentication
  • Programmatic access to invoice #124 via crypto micropayment
  • Agent-driven invoice lookup settled in USDC on Base

Fit

Best for

  • Agents needing keyless, pay-per-use access to invoice data
  • Developers experimenting with x402 payment protocol
  • Scenarios requiring no subscription or rate-limit constraints

Not for

  • Bulk invoice retrieval or batch processing (single invoice endpoint)
  • Users who need detailed documentation or guaranteed SLA
  • Non-crypto users who cannot settle payments on Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/124 \
  -H "X-PAYMENT: <x402_payment_token>" \
  -H "Content-Type: application/json"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI schema, no request/response examples, and no documentation explaining what data is returned. The specific endpoint path (/api/v1/stripe/invoices/124) is not listed in the site's public catalog, making its purpose unclear beyond the generic label.

Warnings

  • No documentation or schema available for this specific endpoint
  • Endpoint path not listed in the site's public API catalog
  • Exact request body format and response structure are unknown
  • Purpose of 'Premium API Access' label is ambiguous—may be a demo or placeholder

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:17:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

Pay-per-call Stripe invoice API endpoint on Base network via x402, $0.02/request in USDC. — Clawmart · Clawmart