Accept crypto + card in 5 lines

Use in any site/app. Embed once — supporters pay directly to your Web3 wallet.

<script src="https://gdmx.pages.dev/sdk/v1/gdmx.js"></script>
<script>
  const pay = new GDMxGateway({ merchantAddress: "0xYourWeb3Address" });
  pay.checkout({ amountUSD: 5, onSuccess: tx => console.log(tx) });
</script>

GitHub

1. Universal Auth

500+ wallets (WalletConnect) + Social (Google/Email/GitHub) + Cross-Chain (EVM/Solana/TON) — auto switch

2. Fiat Aggregator

MoonPay, Transak, Ramp, Banxa, Wert — parallel race, fastest wins, direct to your wallet

3. 0% Fee

Non-custodial, 0% gateway fee — only gas, no intermediary hold

4. Dev Kit

gdmx-pay.js 1-line, React, slug gdmx.pages.dev/ABsUP

5. Security

WebCrypto DID + Gasless (EIP-2771) + Edge CDN — ms load, 100% uptime

6. 100% Free

MIT, serverless, zero hosting cost — fork, self-host, no vendor lock