USDC-Native Gas · Enterprise Stablecoin L1

Circle Arc Payment Gateway — Native USDC Gas, Deterministic Finality & CCTP

XPayr ships a dedicated Circle Arc operations suite (/arc): pay network gas directly in USDC (eliminating volatile gas-token management for CFOs), bridge cross-chain liquidity via CCTP, and export audit-ready payment evidence.

Open Free Circle Arc Testnet (Live in XPayr) Workspace 🧪 Interactive Checkout Sandbox ⚖️ Compare Gas & Finality 🌐 All 12 Networks
Chain ID / ScopeCircle Arc (Mainnet-Ready / Arc Testnet Live)
Confirmation SLA~1 second deterministic finality
Typical Network GasPaid natively in USDC (~$0.002)
XPayr Split99.5% Merchant / 0.5% Fee

Circle Arc Network Settlement Architecture

Pay Gas in USDC — Zero Native Gas Token Friction

Finance teams and autonomous AI agents never need to acquire or account for volatile ETH/SOL/TRX gas balances.

3 Dedicated Arc Operations Calculators

Model Arc USDC gas, CCTP bridging, and treasury swaps right now at /arc and /tools/arc-usdc-gas-calculator.

Supported Wallets & Exchange QR Behavior

Wallets: Circle Modular Wallets, EVM Wallets, Safe Multisig + CCTP v2 Bridge
Seamless cross-chain USDC settlement unified through XPayr Smart Settlement Router (/settlement-router) and /usdc-bridge.

Best-Fit Merchant Verticals

CFO-led corporate treasuries, autonomous AI agent wallets, regulated fintechs, and automated ERP reconciliation (/accounting).

Supported Assets on Circle Arc Network

Accept USDC → Accept EURC →

API v1 Session Payload (arc)

Pin preferred_network: "arc" 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": "arc",
    "preferred_token": "USDC",
    "order_id": "ord_arc_9041",
    "underpayment_tolerance_pct": 1,
    "webhook_url": "https://merchant.example.com/webhooks/xpayr",
    "metadata": {
        "network": "arc",
        "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 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 Checkout FAQ

Can I test Circle Arc payments in XPayr today?

Yes! Visit /arc or open a free XPayr merchant workspace to run live Circle Arc Testnet payment sessions, reconciliation exports, and AI agent payment flows.