---
title: "Connecting to Base"
description: "Network parameters, RPC endpoints, and wallet setup for connecting to Base Mainnet and Base Sepolia testnet."
source: https://basehub.org/introduction/connecting-to-base/
---
import { Aside } from '@astrojs/starlight/components';

Connect to Base Mainnet or the Sepolia testnet using the public RPC endpoints, then configure any EVM-compatible wallet to use the network.

## Base Mainnet

| Name | Value |
| :--- | :--- |
| Network Name | Base Mainnet |
| Description | The public mainnet for Base. |
| RPC Endpoint | [https://mainnet.base.org](https://mainnet.base.org) — rate limited, not for production. |
| Flashblocks RPC Endpoint | [https://mainnet-preconf.base.org](https://mainnet-preconf.base.org) — rate limited, not for production. |
| Chain ID | 8453 |
| Currency Symbol | ETH |
| Block Explorer | [https://base.blockscout.com/](https://base.blockscout.com/) |

## Base Testnet (Sepolia)

| Name | Value |
| :--- | :--- |
| Network Name | Base Sepolia |
| Description | The public testnet for Base. |
| RPC Endpoint | [https://sepolia.base.org](https://sepolia.base.org) — rate limited, not for production. |
| Flashblocks RPC Endpoint | [https://sepolia-preconf.base.org](https://sepolia-preconf.base.org) — rate limited, not for production. |
| Chain ID | 84532 |
| Currency Symbol | ETH |
| Block Explorer | [https://sepolia-explorer.base.org](https://sepolia-explorer.base.org) |

<Aside>
Protocol and network smart contract deployments for L1 and L2 are catalogued on the [Base Contracts](/network/base-contracts/) page.
</Aside>

<Aside type="tip">
Production workloads should connect through one of the [node providers](/node-operations/node-providers/) or [run a Base node](/node-operations/run-a-base-node/) directly.
</Aside>

## Using Base with your wallet

### Coinbase Wallet

The [Coinbase Wallet](https://chrome.google.com/webstore/detail/coinbase-wallet-extension/hnfanknocfeofbddgcijnmhnfnkdnaad?hl=en) browser extension supports Base out of the box.

To switch to Base in Coinbase Wallet:

1. Open the Coinbase Wallet extension and sign in.
2. Connect to an app from within the wallet.
3. Click the network icon in the top right to open the network menu.
4. Choose **Base**.

The active network now points at Base.

### Other wallets

Base works as a custom network in any EVM-compatible wallet, including [MetaMask](https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn).

#### MetaMask

To add Base as a custom network in MetaMask:

1. Open the MetaMask extension.
2. Click the network dropdown at the top of the extension.
3. Click **Add network**.
4. Click **Add a network manually**.
5. Enter the Base mainnet values:

   | Name | Value |
   | :--- | :--- |
   | Network Name | Base Mainnet |
   | Description | The public mainnet for Base. |
   | RPC Endpoint | [https://mainnet.base.org](https://mainnet.base.org) |
   | Chain ID | 8453 |
   | Currency Symbol | ETH |
   | Block Explorer | [https://base.blockscout.com/](https://base.blockscout.com/) |

6. Click **Save**.

Base now appears in the network dropdown.

## Testnet

#### Coinbase Wallet supports Base Sepolia by default

To use Base Sepolia in Coinbase Wallet:

1. Open the Coinbase Wallet extension and sign in.
2. Connect to an app.
3. Click the network icon at the top right.
4. Click **More networks**.
5. Open the **Testnets** tab.
6. Choose **Base Sepolia**.

The active network is now the Base testnet.

#### Other wallets

Base Sepolia can also be added as a custom network in any EVM-compatible wallet such as [MetaMask](https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn).

#### MetaMask

To add Base Sepolia in MetaMask:

1. Open the MetaMask extension.
2. Click the network dropdown.
3. Click **Add network**.
4. Click **Add a network manually**.
5. Enter the Base Sepolia values:

   | Name | Value |
   | :--- | :--- |
   | Network Name | Base Sepolia |
   | RPC Endpoint | [https://sepolia.base.org](https://sepolia.base.org) |
   | Chain ID | 84532 |
   | Currency Symbol | ETH |
   | Block Explorer | [https://sepolia-explorer.base.org](https://sepolia-explorer.base.org) |

6. Click **Save**.

Base Sepolia is now selectable from the network dropdown.