NowNodes

NowNodes is a Blockchain-as-a-Service (BaaS) platform offering API access to over 50 blockchain networks. It allows developers to connect to full nodes and explore blockchains with minimal setup.

Why Choose NowNodes?

• Wide Blockchain Support: Access popular blockchains like Bitcoin, Ethereum, Binance Smart Chain, and more.
• Free Tier Available: Start for free with limited API requests.
• Reliable Infrastructure: High uptime and fast response times.

Supported Blockchains

NowNodes supports over 50 blockchains, including:

• Bitcoin (BTC)
• Ethereum (ETH)
• Binance Smart Chain (BSC)
• Polygon (MATIC)
• Dogecoin (DOGE)

Supported Protocols

• JSON-RPC: For comprehensive blockchain interaction.
• REST: Simplified HTTP-based requests.
• WebSocket: For real-time blockchain event subscriptions.

Getting Started with NowNodes API

1. Sign Up and Get an API Key

• Register at NowNodes.io.
• Select the plan that fits your needs
• Generate an API key.

2. Configure Your Endpoint

Use the following base URLs for API requests:

• Bitcoin Mainnet:

  https://btc.nownodes.io/YOUR_API_KEY

• Ethereum Mainnet:

  https://eth.nownodes.io/YOUR_API_KEY

3. Example API Calls

JSON-RPC: Fetch the latest block number on Ethereum

{
  "jsonrpc": "2.0",
  "method": "eth_blockNumber",
  "params": [],
  "id": 1
}

Info

To learn more about the NowNodes connection with Rootstock click the button below:

Rootstock NOWNode Website

REST: Retrieve account balance on Bitcoin

GET https://btc.nownodes.io/v1/balance/your-address?api_key=YOUR_API_KEY

Make Your First Call

Step-by-Step Guide

1. Open a terminal or API client (e.g., Postman, curl).
2. Use the Bitcoin Mainnet endpoint as an example:

   https://btc.nownodes.io/v1/YOUR_API_KEY

3. Send a request to fetch the latest block hash:

   {
     "jsonrpc": "1.0",
     "method": "getbestblockhash",
     "params": [],
     "id": "1"
   }

4. You’ll receive a response like this:

   {
     "result": "0000000000000000000b1c5e6b6e7bcd9fa47b6d13a20b6eac03c76a66b4f3ad",
     "id": "1"
   }