> ## 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.

# Celo (CELO) Overview

Celo (CELO) RPC

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

## What is Celo?

Celo is an EVM-compatible mainnet. Its ticker symbol is `CELO`.

## What is the Celo (CELO) 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=42220`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network        | Symbol | Type    | Chain ID   |
| -------------- | ------ | ------- | ---------- |
| Celo           | `CELO` | Mainnet | `42220`    |
| Celo Alfajores | `CELO` | Testnet | `44787`    |
| Celo Sepolia   | `CELO` | Testnet | `11142220` |

## API reference

Browse the available method groups for this chain:

* [Debug](/reference/jsonrpc-docs/42220/debug/debug-account-range)
* [EVM](/reference/jsonrpc-docs/42220/evm/eth-accounts)