EVM Sidechain · Retail & Gaming Scale

Polygon PoS Crypto Payment Gateway — Sub-Cent USDC, USDT & POL Checkout

Polygon PoS powers millions of retail Web3 wallets, gaming passes, and emerging-market stablecoin transfers. XPayr brings 0.5% atomic settlement and ERC-2612 gasless permits to Chain ID 137.

Open Free Polygon Amoy (80002) Workspace 🧪 Interactive Checkout Sandbox ⚖️ Compare Gas & Finality 🌐 All 12 Networks

Chain ID / Scope137 (Mainnet) / 80002 (Polygon Amoy)

Confirmation SLA2–4 seconds

Typical Network Gas~$0.004–$0.008 (paid in POL)

XPayr Split99.5% Merchant / 0.5% Fee

Polygon PoS Settlement Architecture

Ideal for Micro-Tickets ($1–$25)

With ~$0.005 network fees and a 0.5% flat XPayr fee (zero fixed $0.30 card fee), $5 digital orders retain $4.975 net.

Gasless Permit Support

Eliminate "insufficient POL for gas" drop-offs on eligible ERC-2612 stablecoins (/gasless).

Polygon Amoy Testnet

Validate cart plugins and custom API v1 webhooks on Polygon Amoy (Chain ID 80002) prior to launch.

Supported Wallets & Exchange QR Behavior

Wallets: MetaMask, Trust Wallet, Phantom, Rabby, Safe + Exchange QR
Universal CEX withdrawal support for Polygon USDC and USDT with automatic 1% (max $0.50) fee tolerance.

Best-Fit Merchant Verticals

E-commerce plugins (WooCommerce, Shopify, PrestaShop), digital downloads, memberships, and micro-ticket checkouts under $10.

Supported Assets on Polygon PoS

Accept USDC → Accept USDT → Accept DAI → Accept POL →

API v1 Session Payload (`polygon`)

Pin preferred_network: "polygon" or omit it so buyers can switch freely across your enabled chains.

POST https://xpayr.com/api/v1/payments
Authorization: Bearer sk_test_your_workspace_key
Content-Type: application/json

{
    "amount": "149.00",
    "currency": "USD",
    "preferred_network": "polygon",
    "preferred_token": "USDC",
    "order_id": "ord_polygon_9041",
    "underpayment_tolerance_pct": 1,
    "webhook_url": "https://merchant.example.com/webhooks/xpayr",
    "metadata": {
        "network": "polygon",
        "settlement_split": "99.5_pct_merchant_wallet"
    }
}

⚙️ Generate Code in 8 Languages 🔔 Webhook Event Schemas

Explore All 12 Supported Blockchain Rails

Solana Base (Coinbase L2) Arbitrum One OP Mainnet (Optimism) TRON (TRC-20) BNB Smart Chain (BEP-20) Ethereum Mainnet (ERC-20) Avalanche C-Chain TON (The Open Network) Bitcoin (BTC) Circle Arc Network

Polygon PoS Checkout FAQ

Did Polygon MATIC migrate to POL in XPayr?

Yes. XPayr supports native POL alongside canonical Polygon USDC, USDT, and DAI contracts on Chain ID 137 (/currencies/pol-payments).

Why choose Polygon for e-commerce plugins?

Nearly every mobile wallet and centralized exchange supports Polygon USDC/USDT withdrawals at sub-cent cost, maximizing checkout completion on $5–$100 carts.