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.

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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.

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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.

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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.

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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.

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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).

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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