Mezo RPC Endpoint

Flat-rate Mezo RPC provider and Mezo RPC node access: free tier, no KYC, HTTP & WebSocket. Mezo mainnet chain ID 31612.

Mezo mainnet RPC URL: https://rpc.swiftnodes.io/rpc/mezo?key=YOUR_API_KEY

WebSocket: wss://rpc.swiftnodes.io/ws/mezo?key=YOUR_API_KEY

Mezo is a Bitcoin economic layer with an EVM-compatible chain that uses BTC as gas. Access Mezo RPC endpoints with SwiftNodes.

Network: Mezo

Type: EVM

Chain ID: 31612

Slug: mezo

Native token: BTC (Bitcoin)

Category: Bitcoin Layer 2

Mezo on the SwiftNodes fleet, right now

Status: online

Latency: 222 ms

Latest block: 12,308,932

WebSocket: available

6 of 12 probed RPC methods supported (archive, debug_traceCall, eth_getProof, eth_feeHistory). The gaps are listed per chain in the method support matrix.

Status and latency from our health checks, refreshed about every 5 minutes. Uptime history. Method support probed automatically on 2026-10-04. Network status

Mezo developer facts, measured

Block time:: ~3.88 s (average of the last 1,000 blocks)
Finality:: the latest block is already reported as finalized
eth_getLogs range:: 10,000-block ranges accepted; the next size we test was refused
Historical state:: readable at least 1,000,000 blocks back

Measured 2026-10-04 through this page's endpoint, re-measured weekly. Limits can differ between the upstream nodes behind it. All chains: measured chain facts.

Mezo Mainnet RPC URL (HTTP)

https://rpc.swiftnodes.io/rpc/mezo?key=YOUR_API_KEY

Mezo WebSocket RPC URL

wss://rpc.swiftnodes.io/ws/mezo?key=YOUR_API_KEY

Quick Start: Connect to Mezo

cURL

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

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

viem

import { createPublicClient, http } from "viem";

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

const blockNumber = await client.getBlockNumber();

web3.py

from web3 import Web3

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

Add Mezo to MetaMask

Network Name: Mezo (SwiftNodes)

RPC URL: https://rpc.swiftnodes.io/rpc/mezo?key=YOUR_API_KEY

Chain ID: 31612

Currency Symbol: BTC

WebSocket: wss://rpc.swiftnodes.io/ws/mezo?key=YOUR_API_KEY

Features of SwiftNodes for Mezo

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 Mezo

Rate Limits

Plan	Price	HTTP req/s	WS msg/s
Free	$0/mo	2	1
Starter	$49/mo	50	25
Growth	$89/mo	150	75
Scale	$149/mo	300	150
Pro	$249/mo	500	250

Related L2 & rollup chains

Explore RPC endpoints for other L2 & rollup networks on SwiftNodes:

Fraxtal RPC Zora RPC Story RPC Monad RPC Berachain RPC Base RPC

Ready to start building on Mezo? Connect your wallet and get a free API key in 30 seconds. No email or KYC required.