We are excited to announce that we have increased the free query limit for Bing Custom Search Preview to 20,000 queries/month, allowing you to use more custom search queries for your applications.

Since launching at BUILD 2017, thousands of developers have signed up to use the API. In order to meet the demand and help you test the various scenarios more thoroughly, we have increased the free query limit for Bing Custom Search from 1,000 queries/month to 20,000 queries/month. Read the full announcement on the Bing Search Quality Insights blog.