ARB

Accept Arbitrum (ARB & L2) Crypto Payments

Enable ultra-low-cost Arbitrum One checkout for SaaS, AI agents, and Web3 commerce with 99.5% direct wallet settlement and a flat 0.5% gateway fee.

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0.5%

Gateway fee

30+

Supported tokens

7+

Blockchain networks

24/7

Always-on settlement

What is Arbitrum (ARB)?

Arbitrum One is Ethereum's leading Layer-2 rollup by DeFi liquidity and developer adoption. Accepting ARB, Arbitrum ETH, and native Arbitrum USDC/USDT on XPayr combines Ethereum-grade security with sub-cent rollup transaction costs.

Supported Networks: Arbitrum One (EVM Chain ID 42161)
4-step flow

How do ARB payments work?

Accept Arbitrum payments through XPayr in four simple steps.

1

Create merchant account

Sign up on XPayr and configure your wallet address for ARB settlement.

2

Integrate payment flow

Use API, plugins, payment links, or widgets to add ARB checkout to your site.

3

Customer pays with ARB

Customer selects Arbitrum at checkout. XPayr generates a payment invoice with real-time pricing.

4

Receive to your wallet

Once confirmed on-chain, the payment is settled directly to your personal ARB wallet.

Why accept Arbitrum payments?

Compelling reasons to add ARB as a payment option for your business.

Sub-$0.02 Rollup Gas Costs

Eliminate L1 gas friction so even $5–$25 subscriptions and API top-ups settle economically.

Ethereum-Secured Settlement

Inherit Ethereum Layer-1 security guarantees while giving buyers instant Web3 1-Click Pay UX.

Ideal for AI & MCP Commerce

Automate Arbitrum sessions via OpenAPI 3.1.0 or @xpayr/mcp-server (21 tools).

create-payment.js 
const response = await fetch('https://api.xpayr.com/v1/payment', {
  method: 'POST',
  headers: {
    'x-api-key': YOUR_API_KEY,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    price_amount: 100,
    price_currency: 'usd',
    pay_currency: 'arb',
    order_id: 'ORDER-001'
  })
});

const payment = await response.json();
// payment.pay_address  → Send ARB here
// payment.pay_amount   → Exact ARB amount

How to accept Arbitrum payments

  1. Sign up Create your free XPayr merchant account.
  2. Add your ARB wallet Enter your Arbitrum wallet address for settlement.
  3. Generate API key Create an API key from your merchant dashboard.
  4. Choose integration method Use API, plugins, invoices, or payment buttons.
  5. Start accepting ARB! Go live and let customers pay with Arbitrum.
Transparent 0.5% Gateway Fee for ARB

Accepting $1,000.00 in Arbitrum (ARB) costs a flat $5.00 USD (0.5%) gateway fee with $995.00 USD settled directly to your non-custodial wallet. Zero custody, zero rolling reserves, and 1% (max $0.50) exchange withdrawal fee tolerance.

Automate ARB Checkout via AI Agents & MCP

Invoke xpayr_create_payment_session or xpayr_calculate_gateway_fee for ARB using npx -y @xpayr/mcp-server or our Remote MCP endpoint:

POST https://xpayr.com/api/mcp
FAQ

Arbitrum Payment Questions

Everything you need to know about accepting ARB payments through XPayr.

Yes. Register your EVM wallet once and enable ARB, ETH, USDC, USDT, and DAI across Arbitrum One checkout sessions.

No. Buyers pay directly from MetaMask, Rabby, Rainbow, Coinbase Wallet, or an exchange withdrawal via QR.

Every confirmed session logs the Arbitrum tx_hash, invoice ID, and 99.5% / 0.5% split ready for CSV/JSON export (/accounting).

Ready to accept Arbitrum payments?

Create your free merchant account and start accepting ARB in minutes. No monthly fees, transparent pricing, direct wallet settlement.

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