Skip to main contentLinea Sepolia RPC
Use Uniblock’s JSON-RPC endpoint to access Linea Sepolia with low-latency routing and a single API surface across providers.
What is Linea Sepolia?
Linea Sepolia is an EVM-compatible testnet. It is a testnet for Linea.
What is the Linea Sepolia 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=59141. Include the JSON-RPC method and params in the request body.
Supported networks
| Network | Type | Chain ID |
|---|
| Linea | Mainnet | 59144 |
| Linea Sepolia | Testnet | 59141 |
API reference
Browse the available method groups for this chain:
