> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uniblock.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# MegaETH Testnet (MEGA) Overview

MegaETH Testnet (MEGA) RPC

Use Uniblock's JSON-RPC endpoint to access MegaETH Testnet (MEGA) with low-latency routing and a single API surface across providers.

## What is MegaETH Testnet?

MegaETH Testnet is an EVM-compatible testnet. It is a testnet for MegaETH. Its ticker symbol is `MEGA`.

## What is the MegaETH Testnet (MEGA) JSON-RPC API?

The JSON-RPC API is the standard interface for reading chain state, sending transactions, and interacting with smart contracts where supported.

## Making API requests

Send a POST request to `https://api.uniblock.dev/uni/v1/json-rpc?chainId=6343`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network         | Symbol | Type    | Chain ID |
| --------------- | ------ | ------- | -------- |
| MegaETH         | `MEGA` | Mainnet | `4326`   |
| MegaETH Testnet | `MEGA` | Testnet | `6343`   |

## API reference

Browse the available method groups for this chain:

* [EVM](/reference/jsonrpc-docs/6343/evm/eth-block-number)