In this post we will go through signing up for a Bing Custom Search key using the Azure portal.
Go to https://portal.azure.com and search for Bing Custom Search:
Enter details including the name and pricing tier. Click Create:
You will see below, with the endpoint, e.g. https://api.cognitive.microsoft.com/bingcustomsearch/v7.0
Click on Keys and note the keys for use in your apps: