Unichain Sepolia (UNI) Overview

Unichain Sepolia (UNI) RPC Use Uniblock’s JSON-RPC endpoint to access Unichain Sepolia (UNI) with low-latency routing and a single API surface across providers.

What is Unichain Sepolia?

Unichain Sepolia is an EVM-compatible testnet. It is a testnet for Unichain. Its ticker symbol is UNI.

What is the Unichain Sepolia (UNI) 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=1301. Include the JSON-RPC method and params in the request body.

Supported networks

Network	Symbol	Type	Chain ID
Unichain	`UNI`	Mainnet	`130`
Unichain Sepolia	`UNI`	Testnet	`1301`

API reference

Browse the available method groups for this chain:

Debug
EVM
Trace

​What is Unichain Sepolia?

​What is the Unichain Sepolia (UNI) JSON-RPC API?

​Making API requests

​Supported networks

​API reference

What is Unichain Sepolia?

What is the Unichain Sepolia (UNI) JSON-RPC API?

Making API requests

Supported networks

API reference