layercryptocheckout

<p>Layer Crypto Checkout enables WooCommerce stores to accept cryptocurrency payments through MetaMask or WalletConnect. Payments are processed on Layer 2 networks for minimal transaction fees.</p>
<h4>Key Features</h4>
<ul>
<li><strong>Multi-Network Support</strong> – Accept payments on Ethereum, Base, Optimism, and Arbitrum</li>
<li><strong>ETH & USDC Payments</strong> – Customers can pay with native ETH or USDC stablecoin</li>
<li><strong>Non-Custodial</strong> – Payments go directly to your wallet. We never hold your funds</li>
<li><strong>Low Fees</strong> – Layer 2 networks offer transaction fees under $0.01</li>
<li><strong>On-Chain Verification</strong> – Every payment is verified on blockchain before order completion</li>
<li><strong>Real-Time Conversion</strong> – Automatic fiat to crypto conversion at checkout</li>
<li><strong>Test Mode</strong> – Test on testnets before going live with real payments</li>
</ul>
<h4>How It Works</h4>
<ol>
<li>Customer selects “Pay with Crypto” at checkout</li>
<li>Customer connects their MetaMask or WalletConnect wallet</li>
<li>Customer chooses network (Base, Optimism, Arbitrum, or Ethereum)</li>
<li>Customer chooses payment method (ETH or USDC)</li>
<li>Payment is sent directly to your wallet via smart contract</li>
<li>Order is completed after on-chain verification</li>
</ol>
<h4>Supported Networks</h4>
<p><strong>Mainnets (Live Payments):</strong><br />
* Ethereum Mainnet<br />
* Base<br />
* Optimism<br />
* Arbitrum One</p>
<p><strong>Testnets (Testing):</strong><br />
* Ethereum Sepolia<br />
* Base Sepolia<br />
* Optimism Sepolia<br />
* Arbitrum Sepolia</p>
<h4>Security</h4>
<ul>
<li><strong>Immutable Smart Contract</strong> – Contract code cannot be changed after deployment</li>
<li><strong>Reentrancy Protection</strong> – Built-in guard against reentrancy attacks (OpenZeppelin standard)</li>
<li><strong>Replay Attack Protection</strong> – Each payment is unique and cannot be reused</li>
<li><strong>Open Source & Verified</strong> – Contract source code is publicly verified on all block explorers</li>
</ul>
<h4>Platform Fee</h4>
<p>A 1% platform fee is applied to each transaction to support ongoing development and maintenance.</p>
<h3>External Services</h3>
<p>This plugin connects to the following external services:</p>
<h4>CoinGecko API</h4>
<p>Used to fetch real-time cryptocurrency prices for ETH and USDC conversion.<br />
– Data sent: Currency code (EUR, USD, GBP, etc.)<br />
– When: During checkout to calculate crypto amount<br />
– Service: https://www.coingecko.com<br />
– Terms: https://www.coingecko.com/en/terms<br />
– Privacy: https://www.coingecko.com/en/privacy</p>
<h4>ExchangeRate-API</h4>
<p>Used to fetch fiat currency exchange rates for USDC payments.<br />
– Data sent: Base currency code<br />
– When: During checkout for non-USD currencies<br />
– Service: https://www.exchangerate-api.com<br />
– Terms: https://www.exchangerate-api.com/terms<br />
– Privacy: https://www.exchangerate-api.com/terms</p>
<h4>CryptoCompare API (Fallback)</h4>
<p>Used as fallback when CoinGecko is unavailable.<br />
– Data sent: Currency code<br />
– When: Only if primary price API fails<br />
– Service: https://www.cryptocompare.com<br />
– Terms: https://www.cryptocompare.com/terms-conditions<br />
– Privacy: https://www.cryptocompare.com/privacy-policy</p>
<h4>Blockchain RPC Endpoints</h4>
<p>Used to verify on-chain transactions and read smart contract data.<br />
– Data sent: Transaction hashes, smart contract read calls (no personal data)<br />
– When: After payment submission to verify transaction on blockchain</p>
<p>The plugin uses the following public RPC providers:</p>
<p><strong>PublicNode</strong> (Ethereum Sepolia Testnet)<br />
– URL: ethereum-sepolia-rpc.publicnode.com<br />
– Service: https://www.publicnode.com<br />
– Terms: https://www.publicnode.com/terms<br />
– Privacy: https://www.publicnode.com/privacy</p>
<p><strong>LlamaNodes</strong> (Ethereum Mainnet)<br />
– URL: eth.llamarpc.com<br />
– Service: https://llamarpc.com<br />
– Terms: https://llamarpc.com/terms<br />
– Privacy: https://llamarpc.com/privacy</p>
<p><strong>Base Network</strong> (Coinbase L2)<br />
– URLs: mainnet.base.org, sepolia.base.org<br />
– Service: https://base.org<br />
– Terms: https://base.org/terms-of-service<br />
– Privacy: https://base.org/privacy-policy</p>
<p><strong>Optimism Network</strong><br />
– URLs: mainnet.optimism.io, sepolia.optimism.io<br />
– Service: https://optimism.io<br />
– Terms: https://optimism.io/terms<br />
– Privacy: https://optimism.io/privacy</p>
<p><strong>Arbitrum Network</strong><br />
– URLs: arb1.arbitrum.io, sepolia-rollup.arbitrum.io<br />
– Service: https://arbitrum.io<br />
– Terms: https://arbitrum.io/tos<br />
– Privacy: https://arbitrum.io/privacy</p>
<h4>WalletConnect</h4>
<p>Optional wallet connection service for connecting crypto wallets.<br />
– Data sent: Connection requests, transaction signing requests<br />
– When: When customer chooses WalletConnect option<br />
– Service: https://walletconnect.com<br />
– Terms: https://walletconnect.com/terms<br />
– Privacy: https://walletconnect.com/privacy</p>


Layer Crypto Checkout – Crypto Payments for WooCommerce

Accept ETH and USDC payments via MetaMask or WalletConnect on Layer 2 networks (Base, Optimism, Arbitrum) with low fees.

Trelis

<h4>Non-custodial crypto payments made easy</h4>
<p>Accept USDC directly to your wallet. Allow customers to pay by connecting any major Polygon wallet (Metamask, Coinbase Wallet, Rainbow Wallet, Ledger, Trezor).</p>
<h4>What are the benefits for me (the store owner)?</h4>
<ul>
<li><strong>Accept recurring payments</strong> Customers can subscribe for automatic monthly or annual payments.</li>
<li><strong>Accept payments within mins.</strong> Install the plugin and add api keys from Trelis.com .</li>
</ul>
<h4>What are the benefits for my customers?</h4>
<ul>
<li><strong>Pay with any major Polygon wallet.</strong> Metamask, Coinbase, Rainbow, Ledger, Trezor</li>
<li><strong>Gasless payments.</strong> Customers pay in USDC, no gas required!</li>
</ul>
<h3>Getting Started</h3>
<ol>
<li>Install the Trelis Crypto Payments plugin</li>
<li>For MemberPress, navigate to MemberPress -> Settings -> Payments</li>
<li>For WooCommerce, navigate to WooCommerce -> Settings -> Payments -> TrelisPay -> Manage</li>
<li>Navigate to <a href="Trelis.com" rel="nofollow ugc">Trelis.com</a> and connect your wallet. This wallet will receive payments. It is highly recommended to use a cold wallet. You are solely responsible for custody of your funds. To offer gasless USDC payments, purchase gas credits from your dashboard.</li>
<li>Navigate to the api screen to create a new api key.</li>
<li>Copy the api webhook url from WordPress and enter it on Trelis.com</li>
<li>Copy the apiKey, apiSecret and webhook secret from Trelis.com and enter them into WordPress.</li>
<li>Press “Save changes” on WordPress to confirm changes. Your plugin is now configured to accept Ethereum payments.</li>
<li>If you already have products priced in US dollars, customers can now pay with USDC on Ethereum. Alternately you can update products or create new products that are priced in USDC or ETH.</li>
</ol>


Trelis Crypto Payments

Accept web3 recurring payments and gasless payments directly to your wallet. Your customers pay by connecting any major Polygon wallet.

Layer Crypto Checkout – Crypto Payments for WooCommerce vs Trelis Crypto Payments