Step 1 – Firstly, go to Google Maps Platform website.
Step 2 – Login to the site with your Google account.
Step 3 – After logging into the site, click on ‘Get Started’ button at the site header.
Step 4 – You will redirect to Google Cloud Platform and you will access to the Google API overview page. Click on the project chooser dropdown at the right of the logo.
Step 5 – Choose a project from this step. If you don’t have any project, you click on ‘New Project’ button.
Step 6 – Enter the details of the new project in this step.
Step 7 – If the billing details page comes, configure billing settings in this page and next other page.
Step 8 – Click on ‘APIs’ link from the menu.
Step 11 – Click on ‘Create Credentials > API Key’ link.
Step 12 – Copy the API key and enter the key to API key field of the theme settings panel.
Step 13 – Click on the restrict button. You will make API key settings.
Step 14 – Choose ‘HTTP referrers (web sites)’ option from ‘Application restrictions’ field.
Step 15 – Enter your website URLs from ‘Website restrictions’. Example: https://yoursite.com/*
Step 16 – Click on the save. Your API key is ready!