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Welcome to HashNut

HashNut is a developer-first, non-custodial Web3 payment infrastructure platform that enables merchants to accept cryptocurrency payments across 164+ blockchain networks.

What is HashNut?​

HashNut provides a complete payment solution for Web3 merchants, combining the security of smart contracts with the convenience of traditional payment gateways. Unlike custodial solutions, merchants maintain full control of their funds through on-chain smart contracts.

Key Features​

  • 🔒 Non-Custodial Security: Your funds stay in your smart contracts, not ours
  • 🌐 Multi-Chain Support: Accept payments on 164+ chains (Ethereum, Polygon, BSC, TRON, and more)
  • 👨‍💻 Developer-First API: RESTful API with comprehensive documentation and SDKs
  • 💰 Transparent Pricing: Simple per-transaction fees with no hidden costs
  • ⚡ Fast Processing: 0.5-3 second transaction confirmation with HashNut Optimization Technology
  • 📊 Real-Time Analytics: Comprehensive dashboard and reporting tools

Quick Navigation​

🚀 Quick Start

Get your first payment working in 5 minutes

Start Building →

📚 Learn the Concepts

Understand how HashNut works under the hood

Explore Concepts →

🔌 API Reference

Complete API documentation with examples

View API Docs →

💻 SDKs

Integrate with JavaScript, Python, Java, or cURL

Browse SDKs →

How It Works​

  1. Create Order: Merchant creates a payment order via API
  2. Payment Link: Customer receives a payment link
  3. Pay with Wallet: Customer pays using their crypto wallet
  4. Payment Confirmed: Transaction confirmed on blockchain
  5. Funds Available: Funds are held in merchant's smart contract
  6. Webhook Notification: Merchant receives real-time payment status

Payment Models​

HashNut supports three payment infrastructure models:

DeFi Mode​

Fully decentralized, managed entirely on smart contracts. Maximum security and autonomy.

CeFi Mode​

Use your own wallets with direct control over funds. Enterprise-grade infrastructure support.

UniFi Mode (Legacy)​

Legacy version with full customization options for existing integrations.

Learn more about payment models →

What's Next?​

Ready to get started? Head to the Quick Start Guide to create your first payment!