Bing

Check sentences for duplication online via Bing.

For plagiarism checks with Bing, Proofread Bot requires a free Bing API Key that you can obtain easily at https://datamarket.azure.com/dataset/8818f55e-2fe5-4ce3-a617-0b8ba8419f65. Once signed up to Bing, you will find your key here: https://datamarket.azure.com/account/keys. Bing gives you 5000 queries for free per month! You will need to enter this key for Proofread Bot at http://proofreadbot.com/user (click edit).