x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/stripe/invoices/82

What it does

This endpoint at lowpaymentfee.com provides x402-protocol access to a Stripe invoice resource (invoice ID 82). It is part of a broader platform offering pay-per-request APIs across data analytics, AI/ML, finance, and utility categories — all gated behind x402 payment challenges settled in USDC on the Base network.

The specific endpoint `/api/v1/stripe/invoices/82` is described by the provider as "Premium API Access." The x402 challenge confirms it accepts POST requests, requires payment of up to 20,000 base units of USDC (0x8335… on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a timeout of 300 seconds. The response MIME type is application/json.

The platform advertises a flat $0.02/request pricing model with no API keys, no rate limits, and instant access. However, documentation pages (/docs, /pricing, /api, /README) all returned only a "Connect wallet" prompt with no substantive content, so the actual behavior, request schema, and response format of this specific invoice endpoint are unknown. It is unclear what data or functionality this endpoint returns — the name "Premium API Access" and the path suggest it may retrieve or interact with a Stripe invoice, but no schema or example responses are available.

Capabilities

x402-paymentusdc-basepay-per-requeststripe-invoicejson-response

Use cases

  • —Retrieving or interacting with a Stripe invoice via a crypto-payment-gated endpoint
  • —Demonstrating x402 protocol payment flows for agent-to-agent commerce
  • —Programmatic invoice access without traditional API keys

Fit

Best for

  • —Developers experimenting with x402 payment protocol on Base
  • —Agents that can settle USDC micropayments on Base L2
  • —Use cases requiring keyless, pay-per-request API access

Not for

  • —Users needing well-documented API contracts with known request/response schemas
  • —Production systems requiring guaranteed SLAs or detailed error handling documentation
  • —Users who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/stripe/invoices/82 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/stripe/invoices/82
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, confirming pricing and payment details. However, there is no documentation, no request/response schema, no examples, and the docs/pricing/API pages are all empty (just wallet connect prompts). The purpose of this specific invoice endpoint is unclear beyond its title.

Warnings

  • —No documentation available — all doc pages return only 'Connect wallet' with no content
  • —No request or response schema provided; actual endpoint behavior is unknown
  • —The endpoint path references a specific Stripe invoice ID (82); unclear if this is a demo or production resource
  • —No OpenAPI spec, no AI plugin manifest, no agents.txt found

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 10:36:16Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

JSONhttps://clawmart.sh/api/listings/MjjRZ3
x402-gated Stripe invoice endpoint on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart