Bing Markup Validator
Verify the markup that you have added to your pages with Markup Validator. Get an on-demand report that shows the markup we’ve discovered, including HTML Microdata, Microformats, RDFa, Schema.org, and OpenGraph. To get started simply sign in or sign up for Bing Webmaster Tools.
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Offer Details: Offer expires 9/30/2015 (midnight Pacific Time), and is available only to qualified advertisers who meet the following eligibility criteria: Open to new and verified Bing Webmaster Tools account holders who own their own Website and open a new Bing Ads account; a “new” account is one that has been open fewer than 30 days prior to the date of coupon redemption. Your account will be evaluated daily to verify you meet the eligibility criteria. When criteria is met, a Bing Ads coupon will be sent to each qualified advertiser by email in approximately 3 business days from date of verification. See full offer details here.