Fantom RPC Endpoint

Flat-rate Fantom RPC provider and Fantom RPC node access: free tier, no KYC, HTTP & WebSocket. Fantom mainnet chain ID 250.

Fantom Opera is the original Fantom Layer 1, using FTM for gas; Sonic is its successor network. Access Fantom RPC endpoints with SwiftNodes.

Fantom Mainnet RPC URL (HTTP)

Fantom WebSocket RPC URL

Quick Start: Connect to Fantom

cURL

curl -X POST https://rpc.swiftnodes.io/rpc/fantom?key=YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

ethers.js

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider(
  "https://rpc.swiftnodes.io/rpc/fantom?key=YOUR_API_KEY"
);

const blockNumber = await provider.getBlockNumber();
console.log("Fantom block:", blockNumber);

viem

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://rpc.swiftnodes.io/rpc/fantom?key=YOUR_API_KEY"),
});

const blockNumber = await client.getBlockNumber();

web3.py

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://rpc.swiftnodes.io/rpc/fantom?key=YOUR_API_KEY"))
print("Fantom block:", w3.eth.block_number)

Add Fantom to MetaMask

Features of SwiftNodes for Fantom

• Load-balanced across multiple upstream nodes wherever a chain has more than one, with automatic failover
• Health-checked every 2 minutes with automatic failover
• Free tier available — no credit card or KYC required
• Flat-rate monthly pricing with no per-request fees
• HTTP and WebSocket support
• One API key works across all 75+ supported chains, including Fantom

Rate Limits

Related EVM chains

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