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How do ESPs integrate with validation or hygiene tools?

Most ESPs support integration with validation services through APIs or built-in partnerships. You can validate lists before import, clean existing lists within the platform, or trigger validation during signup flows.

Integration methods include: native partnerships (ESP includes validation as feature), API connections (you configure third-party validation), import-time validation (automatic checking during list upload), and real-time validation (checking at form submission).

Benefits of integration: cleaner lists without manual export/import cycles, automated hygiene maintenance, reduced bounces protecting sender reputation, and consistent validation across all list sources. Evaluate ESP validation capabilities when choosing platforms.

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