Step 01:

To get pusher api keys, you have to go to pusher.com

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Step 02:

after signup/login you will see this screen, then click on manage button

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Step 03:

click on create app button and create a new app for your website, make sure you select stack as like below.

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Step 04: after create app you will see below page, now click on App Keys to get app keys for your website

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Step 05:

now you will see you app keys as like this screenshot

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Step 05:

Go to your admin panel “General settings > Livechat Settings” now add your all api credentials.

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that's all for setup live chat addon