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blockless pay

A link to pay anyone in any token, any chain. Just share a URL

blockless pay

Created At

Unite Defi

Project Description

Key Features

  • βœ… Intuitive Swap Order Creation
    Easily define your desired swap: source chain, token, amount, and recipient address β€” all in one form.

  • πŸ”— Shareable Order Link with Wallet Selection
    Generate a single URL that, when opened, shows all available wallet deeplinks. Recipients can pick their wallet and proceed directly to approval β€” no app switching or manual input needed.

  • πŸ“² Smart Wallet Deeplink Support
    The order page automatically detects and displays deeplinks for popular wallets:

    • MetaMask
    • Trust Wallet
    • Coinbase Wallet
    • Rabby
    • SafePal
    • TokenPocket
    • And more
      Scanning or clicking the correct link opens the transaction in the user’s wallet app with full swap details pre-filled.
  • 🌐 True Cross-Chain Swaps via 1inch
    Leverages the 1inch Cross-Chain SDK to enable seamless swaps across EVM-compatible networks (e.g., Ethereum β†’ Arbitrum, Polygon β†’ Base). No need for the recipient to hold the source token β€” the swap happens as part of the transaction.

  • 🧩 Powered by 1inch Fusion+
    Ensures optimal pricing, MEV protection, and atomic execution of swaps, even across chains.

  • πŸ–ΌοΈ Dual QR Code Options

    • Universal QR Code: Opens the order page with all wallet options.
    • Wallet-Specific QR Codes: Direct deeplink QRs for each wallet (e.g., scan with MetaMask β†’ transaction opens instantly).
  • πŸŒ™ Modern UI with Dark Mode
    Built with React, TypeScript, and Tailwind CSS for a responsive, accessible, and beautiful experience on any device.

  • πŸ”Œ Seamless Wallet Integration
    Uses wagmi and viem for robust wallet connectivity and address auto-fill during order creation.


How It Works

The flow is designed for maximum simplicity across two roles: the order creator and the executor.

1. Create the Order

  • The user selects:
    • Source blockchain
    • Input token and amount
    • Recipient address (can auto-fill from connected wallet)
  • The app uses 1inch APIs to validate and configure the swap.

2. Generate & Share

  • Click β€œGenerate Order” to create a unique, shareable link (e.g., https://blocklessswap.app/order?id=abc123)
  • The app generates:
    • A universal link that opens a wallet selection interface
    • A QR code for easy mobile sharing
    • Optional: individual wallet-specific QR codes for direct deeplinking

3. Execute the Swap

  • Recipient opens the link on mobile or desktop
  • Sees a clean page listing all compatible wallet deeplinks
  • Taps their wallet (e.g., "Open in MetaMask")
  • Wallet opens with the cross-chain swap pre-filled
  • User confirms the transaction β€” done!

No need to visit a DApp, connect a wallet, or manually enter swap details.

How it's Made

  • Frontend: React, TypeScript, Vite
  • Styling: Tailwind CSS (with dark mode support)
  • Web3 Libraries:
    • wagmi & viem: Wallet connections and on-chain interactions
  • API Proxy: Vercel rewrites (vercel.json) proxy 1inch API requests to avoid CORS issues to 1inch apis
  • QR Generation: qrcode.react for dynamic QR code rendering
  • Deployment: Optimized for Vercel (serverless functions + static hosting)
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