OP

Accept Optimism (OP & Superchain L2) Crypto Payments

Accept OP, ETH, USDC, and USDT on OP Mainnet with instant 1-Click Web3 checkout, Exchange QR support, and 99.5% direct wallet settlement.

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0.5%

Gateway fee

30+

Supported tokens

7+

Blockchain networks

24/7

Always-on settlement

What is Optimism (OP)?

Optimism (OP Mainnet) anchors the Superchain ecosystem with battle-tested Ethereum Layer-2 security, fast block times, and deep native USDC/USDT liquidity. XPayr lets merchants accept OP, Optimism ETH, USDC, and USDT at a flat 0.5% gateway fee.

Supported Networks: OP Mainnet (EVM Chain ID 10)
4-step flow

How do OP payments work?

Accept Optimism payments through XPayr in four simple steps.

1

Create merchant account

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

2

Integrate payment flow

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

3

Customer pays with OP

Customer selects Optimism 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 OP wallet.

Why accept Optimism payments?

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

Superchain Interoperability

Serve Web3 builders, public-goods communities, and global L2 users across OP Mainnet.

Ultra-Low EIP-4844 Blob Fees

Post-Dencun rollup costs keep Optimism token transfers under a few cents.

100% Self-Custodial Split

99.5% settles atomically to your EVM multisig or hardware wallet with zero processor holds.

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: 'op',
    order_id: 'ORDER-001'
  })
});

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

How to accept Optimism payments

  1. Sign up Create your free XPayr merchant account.
  2. Add your OP wallet Enter your Optimism 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 OP! Go live and let customers pay with Optimism.
Transparent 0.5% Gateway Fee for OP

Accepting $1,000.00 in Optimism (OP) 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 OP Checkout via AI Agents & MCP

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

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

Optimism Payment Questions

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

Yes. Configure your standard EVM wallet or Safe multisig address (Ensure Safe deployment on OP Mainnet if using smart-contract multisig) in your XPayr Dashboard.

Yes. Binance, Coinbase, OKX, and Bybit all support direct OP Mainnet withdrawals compatible with XPayr Direct Exchange QR mode (/checkout).

A flat 0.5% (50 bps) gateway fee per confirmed session with $0 monthly fees.

Ready to accept Optimism payments?

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

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