> ## 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.

# Superseed (SUPR) Overview

Superseed (SUPR) RPC

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

## What is Superseed?

Superseed is an EVM-compatible mainnet. Its ticker symbol is `SUPR`.

## What is the Superseed (SUPR) 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=5330`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network           | Symbol | Type    | Chain ID |
| ----------------- | ------ | ------- | -------- |
| Superseed         | `SUPR` | Mainnet | `5330`   |
| Superseed Testnet | `SUPR` | Testnet | `53302`  |

## API reference

Browse the available method groups for this chain:

* [Debug](/reference/jsonrpc/5330/debug/debug-get-bad-blocks)
* [EVM](/reference/jsonrpc/5330/evm/eth-accounts)
* [Trace](/reference/jsonrpc/5330/trace/trace-block)