> ## 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.

# WorldMobile Testnet (WMTx) Overview

WorldMobile Testnet (WMTx) RPC

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

## What is WorldMobile Testnet?

WorldMobile Testnet is an EVM-compatible testnet. It is a testnet for World Mobile Chain. Its ticker symbol is `WMTx`.

## What is the WorldMobile Testnet (WMTx) 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=323432`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network             | Symbol | Type    | Chain ID |
| ------------------- | ------ | ------- | -------- |
| World Mobile Chain  | `WMC`  | Mainnet | `869`    |
| WorldMobile Testnet | `WMTx` | Testnet | `323432` |

## API reference

Browse the available method groups for this chain:

* [Debug](/reference/jsonrpc-docs/323432/debug/debug-db-ancient)
* [EVM](/reference/jsonrpc-docs/323432/evm/eth-block-number)