This article will cover:

How to Connect

Desktop

You must have the MetaMask extension installed in your browser.

Go to https://app.1inch.io/;
click on ‘connect wallet’ and select the first option - ‘MetaMask’;
confirm connection to https://app.1inch.io/ in MetaMask.

Now you can operate with 1inch in your desktop browser and confirm transactions through the MetaMask extension.

Internal browser - iOS and Android

The best way to connect the MetaMask app to 1inch on your mobile phone is by using the MetaMask app’s internal browser.

Open the MetaMask app on your mobile phone;
click on the ‘menu’ button in the upper left corner;
select ‘browser’;
click on the header and type app.1inch.io in the URL field;
on https://app.1inch.io/ choose ‘connect wallet’, accept the Terms of Service and select the first connection option - ‘MetaMask’.

You can now use the MetaMask internal browser for interaction with 1inch.

WalletConnect

To connect the Metamask app on your mobile phone to a browser on your desktop, use the 'WalletConnect' option.

In a desktop browser, go to https://app.1inch.io/;
click on ‘connect wallet’, accept the Terms of Service and select 'WalletConnect'. A QR code will be displayed on the screen;
on your mobile phone, open the MetaMask app;
click on the "menu" button in the upper left corner;
select "wallet";
in the upper right corner, click on the ‘QR-code scanner’ icon and point the phone’s camera to the QR code on the screen;
confirm connection on your phone.

Interact with 1inch in your desktop browser and confirm transactions from your phone.

How to disconnect Metamask

First, click your address in the upper right corner of the page.

Then, click "disconnect".

How to switch Accounts:

Using Browser Extension:

First, disconnect the wallet from the 1inch UI, using the instructions above. Then open the Metamask extension and click the 3 dots in the upper right corner of the window.

From here, click "Connected Sites".

Then, click the trash can icon next to "app.1inch.io".

Next, switch to the account that you would like to connect to, by clicking on the logo in the upper right corner of the main Metamask window, and selecting the account.

Lastly, head back to the app.1inch.io, refresh the page, and reconnect using the instructions above.

Using the Metamask internal browser on iOS or Android

To switch accounts, click your connected address at the bottom of the screen, then click "Disconnect".

Then, on the main Metamask page, select the account you want to use and reconnect to 1inch with these directions.

Using WalletConnect:

First, disconnect your existing wallet/account with these directions.

Then, simply select the desired account on your mobile device and follow the steps above to reconnect via WalletConnect.