FDUSD

Accept First Digital USD (FDUSD) Crypto Payments

Capture APAC, Binance QR, BNB Chain, and Solana stablecoin buyers with instant FDUSD checkout and 99.5% direct non-custodial wallet settlement.

Start accepting FDUSD View API Docs AI & MCP Portal

0.5%

Gateway fee

30+

Supported tokens

7+

Blockchain networks

24/7

Always-on settlement

What is First Digital USD (FDUSD)?

First Digital USD (FDUSD) is one of Asia-Pacific and Binance ecosystem highest-volume reserve-backed USD stablecoins across BNB Smart Chain (BEP-20), Ethereum, and Solana. Accepting FDUSD on XPayr captures high-liquidity APAC and CEX buyers via 1-Click Web3 or Direct Exchange QR.

Supported Networks: BNB Smart Chain (BEP-20), Solana (SPL), Ethereum (ERC-20)
4-step flow

How do FDUSD payments work?

Accept First Digital USD payments through XPayr in four simple steps.

1

Create merchant account

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

2

Integrate payment flow

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

3

Customer pays with FDUSD

Customer selects First Digital USD 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 FDUSD wallet.

Why accept First Digital USD payments?

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

Massive Binance & APAC Liquidity

Ideal for buyers holding FDUSD on Binance, BNB Smart Chain, or Solana who want zero-slippage USD checkout.

Sub-Cent BNB Chain & Solana Gas

Keep payer network fees around $0.001–$0.03 on Solana SPL and BNB BEP-20 rails.

1% ($0.50 Max) QR Tolerance

Absorbs minor exchange withdrawal fee deductions automatically via payment.underpaid_accepted.

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

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

How to accept First Digital USD payments

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

Accepting $1,000.00 in First Digital USD (FDUSD) 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 FDUSD Checkout via AI Agents & MCP

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

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

First Digital USD Payment Questions

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

Yes! Direct Exchange QR Mode (/wallets/binance) lets buyers scan and withdraw FDUSD straight from their exchange app.

Solana SPL and BNB Smart Chain (BEP-20) confirm in 1–3 seconds for fractions of a cent.

Never. 99.5% settles straight into your own self-custodial wallet upon confirmation.

Ready to accept First Digital USD payments?

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

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