Skip to main contentMantle Sepolia RPC
Use Uniblock’s JSON-RPC endpoint to access Mantle Sepolia with low-latency routing and a single API surface across providers.
What is Mantle Sepolia?
Mantle Sepolia is an EVM-compatible testnet. It is a testnet for Mantle.
What is the Mantle 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=5003. Include the JSON-RPC method and params in the request body.
Supported networks
| Network | Type | Chain ID |
|---|
| Mantle | Mainnet | 5000 |
| Mantle Sepolia | Testnet | 5003 |
API reference
Browse the available method groups for this chain:
