> ## 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.

# Citrea (CBTC) Overview

Citrea (CBTC) RPC

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

## What is Citrea?

Citrea is an EVM-compatible mainnet. Its ticker symbol is `CBTC`.

## What is the Citrea (CBTC) 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=4114`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network        | Symbol | Type    | Chain ID |
| -------------- | ------ | ------- | -------- |
| Citrea         | `CBTC` | Mainnet | `4114`   |
| Citrea Testnet | `CBTC` | Testnet | `5115`   |

## API reference

Browse the available method groups for this chain:

* [Citrea](/reference/jsonrpc-docs/4114/citrea/citrea-get-l2-status-heights-by-l1-height)
* [EVM](/reference/jsonrpc-docs/4114/evm/eth-block-number)