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Note

The method is enabled on request — contact support to activate it for your account. Activation can take a few hours. Activity data starts accumulating from the moment the feature is enabled and is stored for 90 days.

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Note

Use this endpoint with the email filter together with messageTag and/or activityStatus to check whether a specific transactional message has already been sent to a contact within a given period — for example, before sending a follow-up so you don't duplicate it. If activity for the message tag and status you're checking is already present in the response, skip the send.

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Note

dateFrom and dateTo values without a time part mean midnight UTC of that date. To include activity from the current day, specify the time in ISO 8601 format — for example, dateTo=2026-05-29T10:59:59.