Key Concepts & Terminology
This section defines the essential terms used throughout Copperx’s platform and documentation.
1️⃣ Non-Custodial
Copperx does not hold or manage your funds.
All payments are sent directly to your connected wallets.
You maintain full custody, transparency, and control.
2️⃣ Checkout
A hosted payment page or API flow for one-time crypto payments.
Features: blockchain address generation, live payment tracking, and confirmation.
Use cases: eCommerce, service payments, custom flows.
3️⃣ Invoicing
Create and send crypto invoices to customers.
Features: due dates, itemized billing, automated reminders.
Use cases: B2B services, agency billing, crypto-based contracts.
4️⃣ Subscription
Set up recurring crypto payments on fixed schedules (monthly, annually, etc.).
Manage through Copperx’s API or dashboard.
Use cases: SaaS products, memberships, ongoing services.
5️⃣ Webhook
Real-time callbacks that notify your system about key events.
Example events:
Payment completed
Invoice overdue
Subscription renewed or canceled
Checkout session expired
Purpose: Automate backend actions like account upgrades or service provisioning.
6️⃣ Test Mode
A sandbox to simulate payments, subscriptions, and invoices.
Operates on testnets (e.g., Polygon Amoy, Ethereum Sepolia).
Requires test tokens (available from Copperx faucet).
7️⃣ Supported Chains
Blockchains Copperx integrates with for crypto payments.
Example supported networks:
Ethereum
Polygon
Solana
BNB Smart Chain
Base
Arbitrum
Optimism
Tron
Tokens supported: USDC, DAI, ETH, BTC, POL (varies by chain).
📘 Summary
Understanding these concepts helps you: ✔ Select the right payment model (checkout, invoice, or subscription) ✔ Implement webhook-driven automations ✔ Test safely in development mode ✔ Choose the appropriate blockchain and token for your integration
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