Katana RPC Endpoint

Flat-rate Katana RPC provider and Katana RPC node access: free tier, no KYC, HTTP & WebSocket. Katana mainnet chain ID 747474.

Katana is a DeFi-focused Ethereum Layer 2 that concentrates liquidity and routes protocol revenue back into yield for its users. It launched its public mainnet in 2025 with backing from Polygon Labs and GSR. SwiftNodes provides RPC access to Katana.

About Katana

Katana (chain ID 747474) is an EVM Layer 2 that uses ETH as its gas token. Its public mainnet went live in 2025 with a design centered on deep, productive liquidity and crosschain asset support.

Katana has a separate network token, KAT, earned through liquidity programs rather than used for gas. As a DeFi-native chain it is targeted at lending, AMMs, and yield strategies. Standard EVM tooling such as Foundry, Hardhat, viem, and ethers.js applies.

Common Use Cases on Katana

• AMM and DEX trading
• Lending and borrowing
• Yield strategies
• Stablecoin liquidity
• Crosschain asset deployment

Katana Ecosystem

Katana launched with backing from Polygon Labs and GSR, anchored around native DeFi protocols for lending, AMMs, and yield.

Katana Mainnet RPC URL (HTTP)

Katana WebSocket RPC URL

Quick Start: Connect to Katana

cURL

curl -X POST https://rpc.swiftnodes.io/rpc/katana?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/katana?key=YOUR_API_KEY"
);

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

viem

import { createPublicClient, http } from "viem";

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

const blockNumber = await client.getBlockNumber();

web3.py

from web3 import Web3

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

Add Katana to MetaMask

Bridging to Katana

Assets move between Ethereum, other chains, and Katana via canonical bridging plus third-party crosschain routes; confirm supported bridges on Katana's official bridge page.

Features of SwiftNodes for Katana

• 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 Katana

Rate Limits

Frequently Asked Questions: Katana

Katana guides from the blog

• Katana RPC: A Developer's Guide to the DeFi-First L2Katana (chain ID 747474) is an OP Stack L2 with ZK proofs and 1-second blocks. Measured finality, fees, getLogs limits, archive access and code.

Related EVM chains

Explore RPC endpoints for other EVM networks on SwiftNodes: