n8n-nodes-crypto-apis

This is an n8n community node for Crypto APIs. It lets you interact with the Crypto APIs v2 REST API in your n8n workflows.

🚀 Installation

Follow the n8n community node installation guide.

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⚙️ Supported Operations & Resources

The node supports the full suite of Crypto APIs v2, including:

🧾 Address Data

• Get balances and transactions (confirmed, unconfirmed, internal)
• List UTXOs and nonces
• Solana and XRP support

📦 Address Management

• Sync, activate, delete, and list addresses

⛓️ Block Data

• Retrieve block info by hash/height
• List block transactions
• Get latest mined blocks

📄 Smart Contract Data

• Get token details by contract address (EVM/Solana)

🛠️ Utilities

• Validate addresses
• Decode raw transaction hex
• XRP address encoding/decoding

📈 Market Data

• Get exchange rates by asset symbol or ID
• Retrieve asset metadata

📤 Transaction Broadcasting

• Broadcast locally signed transactions

🔐 HD Wallet Management

• Sync xPub/yPub/zPub
• Manage wallet addresses
• Derive and prepare transactions
• View wallet assets and details

💰 Blockchain Fees

• Get fee/gas recommendations
• Estimate gas limits or smart fees

📝 Transaction Preparation

• Prepare native and token transfers
• NFT transfers on EVM

🔍 Transaction Data

• Get transaction details by hash
• View internal txs, token transfers, logs

📡 Blockchain Events (Webhooks)

• Subscribe to transaction or block events
• Confirmations and mining events
• Activate, deactivate, delete, and list subscriptions

Supported blockchains include: Bitcoin, Ethereum, BNB Smart Chain, Litecoin, XRP, Solana, Dogecoin, Dash, Bitcoin Cash, Kaspa, and more.

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🔑 Credentials Setup

To authenticate API calls, follow these steps:

1. Register at https://cryptoapis.io/register
2. Go to your Dashboard → Projects → Create Project → Copy API Key
3. In n8n:
   • Create new credentials
   • Select Crypto APIs API Key
   • Paste your x-api-key value
   • Save and test the connection

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🔧 Compatibility

• n8n Version: v1.36.0+
• Crypto APIs Version: v2.2024-12-12-175
• Node is designed to be modular and extendable for future Crypto APIs releases.

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🚀 Usage Examples

Here are a few ideas for practical automation:

• Wallet Monitor: Track incoming transactions for addresses and send Slack or email notifications
• Portfolio Tracker: Query balances and tokens from synced wallets and display in Google Sheets
• Dynamic Gas Estimator: Prepare and broadcast Ethereum transactions with real-time gas recommendations

You can chain this node with native n8n integrations like Google Sheets, Airtable, Notion, Slack, or Telegram.

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📄 License

MIT