> ## 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.

# CelestiaBridge Mocha (TIA) Overview

CelestiaBridge Mocha (TIA) RPC

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

## What is CelestiaBridge Mocha?

CelestiaBridge Mocha is a non-EVM testnet. It is a testnet for CelestiaBridge. Its ticker symbol is `TIA`.

## What is the CelestiaBridge Mocha (TIA) 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=celestiabridge-mocha`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network              | Symbol | Type    | Chain ID               |
| -------------------- | ------ | ------- | ---------------------- |
| CelestiaBridge       | `TIA`  | Mainnet | `celestiabridge`       |
| CelestiaBridge Mocha | `TIA`  | Testnet | `celestiabridge-mocha` |

## API reference

Browse the available method groups for this chain:

* [Header](/reference/jsonrpc-docs/celestiabridge-mocha/header/header-local-head)