EVM Rollup · DeFi & B2B Leader

Arbitrum One Payment Gateway — Deep Liquidity USDC, USDT & DAI Settlement

Arbitrum One holds the deepest EVM Layer-2 stablecoin liquidity across DeFi and Web3 enterprises. Accept native USDC, USDT0/USDT, DAI, ETH, and ARB with ~1s confirmations and 99.5% direct wallet finality.

Open Free Arbitrum Sepolia (421614) Workspace 🧪 Interactive Checkout Sandbox ⚖️ Compare Gas & Finality 🌐 All 12 Networks

Chain ID / Scope42161 (Mainnet) / 421614 (Arbitrum Sepolia)

Confirmation SLA1–2 seconds (sequencer soft-confirm)

Typical Network Gas~$0.006–$0.01

XPayr Split99.5% Merchant / 0.5% Fee

Arbitrum One Settlement Architecture

Native Circle USDC + USDT

Avoid bridged token confusion: XPayr pins canonical Arbitrum One token contracts and validates exact decimals on-chain.

ERC-2612 Gasless Ready

Recover Web3 checkouts from buyers who bridged USDC/DAI to Arbitrum without topping up Arbitrum ETH.

Batch Payout Efficiency

Combine Arbitrum sub-cent gas with XPayr Payout Hub (/payouts) to disperse affiliate and vendor commissions cleanly.

Supported Wallets & Exchange QR Behavior

Wallets: Rabby, MetaMask, WalletConnect, Ledger, Safe Multisig + Exchange QR
Supported by Binance, Bybit, OKX, Kraken, and Coinbase for low-fee Arbitrum One USDC/USDT withdrawals.

Best-Fit Merchant Verticals

Trading & analytics platforms, DeFi/Web3 SaaS, high-ticket B2B invoices, and multi-recipient treasury payouts.

Supported Assets on Arbitrum One

Accept USDC → Accept USDT → Accept DAI → Accept ETH → Accept ARB →

API v1 Session Payload (`arbitrum`)

Pin preferred_network: "arbitrum" 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": "arbitrum",
    "preferred_token": "USDC",
    "order_id": "ord_arbitrum_9041",
    "underpayment_tolerance_pct": 1,
    "webhook_url": "https://merchant.example.com/webhooks/xpayr",
    "metadata": {
        "network": "arbitrum",
        "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) Polygon PoS 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

Arbitrum One Checkout FAQ

Which stablecoins can I accept on Arbitrum One?

XPayr supports native Circle USDC, Tether USDT, Maker/Sky DAI, native ETH, and ARB on Arbitrum One (Chain ID 42161).

How fast do Arbitrum checkout webhooks fire?

Arbitrum transactions confirm in ~1–2 seconds, and XPayr dispatches signed HMAC-SHA256 webhooks immediately once confirmation thresholds are met.