> ## 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.

# Polygon zkEVM (zkEVM) Overview

Polygon zkEVM (zkEVM) RPC

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

## What is Polygon zkEVM?

Polygon zkEVM is an EVM-compatible mainnet. Its ticker symbol is `zkEVM`.

## What is the Polygon zkEVM (zkEVM) 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=1101`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network                       | Symbol  | Type    | Chain ID |
| ----------------------------- | ------- | ------- | -------- |
| Polygon zkEVM                 | `zkEVM` | Mainnet | `1101`   |
| Polygon zkEVM Cardona Testnet | `zkEVM` | Testnet | `2442`   |

## API reference

Browse the available method groups for this chain:

* [Debug](/reference/jsonrpc-docs/1101/debug/debug-get-bad-blocks)
* [Erigon](/reference/jsonrpc-docs/1101/erigon/erigon-block-number)
* [EVM](/reference/jsonrpc-docs/1101/evm/eth-accounts)
* [Trace](/reference/jsonrpc-docs/1101/trace/trace-block)
* [ZKEVM](/reference/jsonrpc-docs/1101/zkevm/zkevm-batch-number)