> ## 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.

# Zero Gravity (0G) Overview

Zero Gravity (0G) RPC

Use Uniblock's JSON-RPC endpoint to access Zero Gravity (0G) with low-latency routing and a single API surface across providers.

## What is Zero Gravity?

Zero Gravity is an EVM-compatible mainnet. Its ticker symbol is `0G`.

## What is the Zero Gravity (0G) 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=16661`. Include the JSON-RPC method and params in the request body.

## Supported networks

| Network      | Symbol | Type    | Chain ID |
| ------------ | ------ | ------- | -------- |
| Zero Gravity | `0G`   | Mainnet | `16661`  |

## API reference

Browse the available method groups for this chain:

* [Debug](/reference/jsonrpc/16661/debug/debug-trace-block-by-hash)
* [EVM](/reference/jsonrpc/16661/evm/eth-accounts)
* [Trace](/reference/jsonrpc/16661/trace/trace-block)