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AdVerif.ai is an artificial intelligence (AI) company that provides brand safety and ad verification services for brands and advertisers.^[1] It specializes in automatically identifying disinformation with FakeRank, a proprietary news quality measure.^[2][3]

AdVerif.ai was founded in 2017 by computer scientist Or Levi.

AdVerif.ai's technology uses machine learning and natural language processing to detect questionable content.^[4][5] The technology is being used for fact-checking in Europe and the US to identify and debunk disinformation.^[6] It is also used by government agencies and ad networks. The website is now located at Zefr.com and the AI is rebranded as Zefr’s AI.

AdVerif.ai has offices in New York City, Los Angeles, and Chicago.

• Official website