DAI

Accept DAI Stablecoin Payments

Collect USD-pegged DAI across Ethereum, Arbitrum, Polygon, Optimism, and Base with 99.5% direct non-custodial settlement and a flat 0.5% fee.

Start accepting DAI View API Docs AI & MCP Portal

0.5%

Gateway fee

30+

Supported tokens

7+

Blockchain networks

24/7

Always-on settlement

What is Dai Stablecoin (DAI)?

Dai (DAI) is the longest-standing decentralized, over-collateralized USD-pegged stablecoin across Ethereum and Layer-2 EVM networks. Accepting DAI lets DeFi-native organizations, DAOs, and privacy-conscious buyers pay in stable USD value directly to your wallet.

Supported Networks: Arbitrum, Polygon, Base, Optimism, Ethereum (ERC-20)
4-step flow

How do DAI payments work?

Accept Dai Stablecoin payments through XPayr in four simple steps.

1

Create merchant account

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

2

Integrate payment flow

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

3

Customer pays with DAI

Customer selects Dai Stablecoin 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 DAI wallet.

Why accept Dai Stablecoin payments?

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

USD Stability Without Central Custody

Receive predictable $1.00 USD-denominated value favored by Web3 treasuries, DAOs, and developers.

Multi-Chain L2 Coverage

Accept DAI on Arbitrum, Polygon, Base, and Optimism with sub-cent EVM network gas.

Clean B2B Invoice Reconciliation

Pair DAI checkout with XPayr Crypto Invoices (/invoices) and ERP CSV/JSON exports (/accounting).

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

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

How to accept Dai Stablecoin payments

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

Accepting $1,000.00 in Dai Stablecoin (DAI) 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 DAI Checkout via AI Agents & MCP

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

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

Dai Stablecoin Payment Questions

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

Many Web3 teams, DAO contributors, and privacy-minded European/global buyers keep treasury reserves in decentralized DAI on Arbitrum, Base, or Polygon.

No. XPayr settles 99.5% in native DAI directly to your own EVM wallet with zero FX conversion spread.

Yes. Generate itemized B2B payment links in /tools/crypto-invoice-generator or via POST /api/v1/payments.

Ready to accept Dai Stablecoin payments?

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

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