Skip to main contentBase Sepolia RPC
Use Uniblock’s JSON-RPC endpoint to access Base Sepolia with low-latency routing and a single API surface across providers.
What is Base Sepolia?
Base Sepolia is an EVM-compatible testnet. It is a testnet for Base.
What is the Base 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=84532. Include the JSON-RPC method and params in the request body.
Supported networks
| Network | Type | Chain ID |
|---|
| Base | Mainnet | 8453 |
| Base Sepolia | Testnet | 84532 |
API reference
Browse the available method groups for this chain:
