To add the booxi book now button on your Squarespace website, follow those steps:
1. Start with the booxi side:
Sign in your booxi account, go on My Business tab, and click on "Business Details".
Then, scroll down to the section "API KEY" and copy the following code (letters and numbers).
Then go to the following link : https://www.booxi.com/developers/wix and paste your API Key into the code generator.
Copy the code created by the Generator.
2. The second step is on your Squarespace website side:
Sign in your Squarespace account and go in the website editor,
Select the page on which you want to add the button and click on the Edit button (in the section where you want to add the book now button).
Click on the + button (the option "Add a block)
Then scroll down to the section "Code":
The pop up to edit the code appears, all you have to do it to replace the existing text par the HTML code created by the generator.
Click on Save and it's done.
3. To customize the button, here are codes to add:
To modify the color of the button: button_color
To modify the color of the button's border: border
To delete the booxi icon in the button: show_icon: false
Here is an example: