Looking for recommendation for service that validates email, phone #, and address, of contact records. Preferably with API integration rather than one-time validation. Which vendor is "best" and why?

Hello. We are using Marketing Hub - Professional. Some contact records have an email address, others do not. What do we use as a unique identifier for marketing contacts when there is no email address? Could we use the email address as the unique ID read more

Hello. We are using Marketing Hub - Professional. Some contact records have an email address, others do not. What do we use as a unique identifier for marketing contacts when there is no email address? Could we use the email address as the unique ID read more

Looking for recommendation for service that validates email, phone #, and address, of contact records. Preferably with API integration rather than one-time validation. Which vendor is "best" and why?

Looking for recommendation for service that validates email, phone #, and address, of contact records. Preferably with API integration rather than one-time validation. Which vendor is "best" and why?