About
EmailOversight provides email validation for uploaded lists and real-time checks in websites or lead-collection processes. It also offers email activity indicators, phone and postal validation, and contact-data enrichment. These are separate services, allowing a team to check address usability and associated data without treating them as a single email-sending product.
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The site provides API documentation and advertises email activity windows of 30, 60 and 90 days. It says that EU API endpoints can be requested by EU customers; this is an available configuration rather than evidence that every account is processed exclusively in the EU.
Commercial options include month-to-month billing and prepaid credits, with validation volumes and other data services priced separately. The site advertises 200 free trial credits and round-the-clock customer support. Its published contact address is 8 The Green, Suite 11024, Dover, Delaware 19901, United States.
Phone validation distinguishes mobile numbers from landlines and reports current and previous carriers, adding detail for teams that combine email and SMS.

