> ## 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.

# Rootstock Testnet (RIF) Overview

Rootstock Testnet (RIF) RPC

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

## What is Rootstock Testnet?

Rootstock Testnet is an EVM-compatible testnet. It is a testnet for Rootstock. Its ticker symbol is `RIF`.

## What is the Rootstock Testnet (RIF) 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=31`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network           | Symbol | Type    | Chain ID |
| ----------------- | ------ | ------- | -------- |
| Rootstock         | `RIF`  | Mainnet | `30`     |
| Rootstock Testnet | `RIF`  | Testnet | `31`     |

## API reference

Browse the available method groups for this chain:

* [Debug](/reference/jsonrpc-docs/31/debug/debug-get-bad-blocks)
* [EVM](/reference/jsonrpc-docs/31/evm/eth-accounts)
* [Trace](/reference/jsonrpc-docs/31/trace/trace-block)