n8n-nodes-tether

[Velocity BPA Licensing Notice]

This n8n node is licensed under the Business Source License 1.1 (BSL 1.1).

Use of this node by for-profit organizations in production environments requires a commercial license from Velocity BPA.

For licensing information, visit https://velobpa.com/licensing or contact [email protected].

A comprehensive n8n community node package for Tether USDT operations across 15+ blockchain networks.

Overview

This package provides full integration with Tether USDT stablecoin operations including balance queries, transfers, transparency data, market information, and cross-chain bridge comparisons. It supports Ethereum, Tron, Solana, Polygon, Arbitrum, Optimism, BNB Chain, Avalanche, TON, Algorand, and more.

Features

• Multi-Chain Support: 15+ blockchain networks including EVM chains, Tron, Solana, TON, and Algorand
• Balance Operations: Query USDT balances across any supported network
• Transfer Operations: Send USDT with proper gas/energy estimation
• Approval Management: Approve spending allowances and check allowances
• Transparency Data: Access Tether's reserve and supply information
• Market Data: Real-time USDT price, volume, and depeg monitoring
• Compliance Checking: Verify address blacklist status
• Bridge Comparisons: Compare cross-chain bridge options
• Event Triggers: Real-time monitoring for transfers, balance changes, and price deviations

Supported Networks

| Network | Type | USDT Decimals | |---------|------|---------------| | Ethereum | EVM (ERC-20) | 6 | | Tron | TRC-20 | 6 | | Solana | SPL Token | 6 | | Polygon | EVM | 6 | | Arbitrum | EVM (L2) | 6 | | Optimism | EVM (L2) | 6 | | BNB Chain | EVM (BEP-20) | 18 | | Avalanche | EVM (C-Chain) | 6 | | TON | Jetton | 6 | | Algorand | ASA | 6 | | Fantom | EVM | 6 | | Celo | EVM | 6 | | NEAR | Native | 6 | | Kava | EVM | 6 | | Omni (Bitcoin) | Omni Layer | 8 |

Installation

Local Development Installation

# Clone the repository
git clone https://github.com/Velocity-BPA/n8n-nodes-tether.git
cd n8n-nodes-tether

# Install dependencies
npm install

# Build the package
npm run build

# Link for local n8n testing
npm link

# In your n8n installation directory
cd ~/.n8n
npm link n8n-nodes-tether

Production Installation

# In your n8n custom nodes directory
cd ~/.n8n/nodes
npm install n8n-nodes-tether

Docker Installation

Add to your n8n Dockerfile:

RUN cd /usr/local/lib/node_modules/n8n && npm install n8n-nodes-tether

Credentials Setup

Tether Blockchain Credentials

Configure blockchain connection for read/write operations:

| Field | Description | |-------|-------------| | Network | Select blockchain network | | RPC Endpoint URL | Custom RPC URL (optional) | | Private Key | For signing transactions (optional for read-only) |

Tether API Credentials

For transparency and market data:

| Field | Description | |-------|-------------| | API Type | Transparency or Market Data | | API Endpoint | Base API URL | | CoinGecko API Key | For higher rate limits (optional) |

Usage Examples

Get USDT Balance

// Node configuration
{
  "resource": "usdt",
  "operation": "getBalance",
  "network": "ethereum",
  "address": "0x..."
}

Transfer USDT

// Node configuration
{
  "resource": "usdt",
  "operation": "transfer",
  "network": "polygon",
  "toAddress": "0x...",
  "amount": "100"
}

Check Depeg Status

// Node configuration
{
  "resource": "marketData",
  "operation": "checkDepeg",
  "depegThreshold": 0.02
}

Compare Bridge Options

// Node configuration
{
  "resource": "bridge",
  "operation": "compareBridges",
  "fromNetwork": "ethereum",
  "toNetwork": "polygon"
}

Development

Building

npm run build

Testing

npm test
npm run test:coverage

Linting

npm run lint

Project Structure

n8n-nodes-tether/
├── credentials/
│   ├── TetherBlockchain.credentials.ts
│   ├── TetherApi.credentials.ts
│   └── ExchangeApi.credentials.ts
├── nodes/
│   └── Tether/
│       ├── Tether.node.ts
│       ├── TetherTrigger.node.ts
│       ├── tether.svg
│       ├── constants/
│       ├── transport/
│       └── utils/
├── test/
├── scripts/
├── package.json
├── LICENSE
├── COMMERCIAL_LICENSE.md
├── LICENSING_FAQ.md
└── README.md

Security Considerations

• Never log private keys - All credential handling follows security best practices
• Validate addresses - Chain-specific address validation before transactions
• Check blacklist status - Verify addresses aren't frozen before transfers
• Handle different decimals - Proper decimal handling across networks (6, 8, 18)

Troubleshooting

Build Errors

rm -rf node_modules dist
npm install
npm run build

Node Not Appearing in n8n

1. Verify the node is linked correctly
2. Restart n8n after installing
3. Check n8n logs for errors

Licensing

This n8n community node is licensed under the Business Source License 1.1.

Free Use

Permitted for personal, educational, research, and internal business use.

Commercial Use

Use of this node within any SaaS, PaaS, hosted platform, managed service, or paid automation offering requires a commercial license.

For licensing inquiries: [email protected]

See LICENSE, COMMERCIAL_LICENSE.md, and LICENSING_FAQ.md for details.

Author

Velocity BPA

• Website: https://velobpa.com
• GitHub: https://github.com/Velocity-BPA

Disclaimer

This software is provided for informational and educational purposes only. Users are responsible for complying with all applicable laws and regulations regarding cryptocurrency transactions.