Let the next follow-up start with an activity signal. Find recent activity across a full number list, separate dormant records from numbers worth reviewing, and use the result to plan reactivation, segmentation and outreach priorities.
api openapi api-client batch-processing bulk-api asynchronous-api api-example api-examples phone-data multi-language-examples numdetect activity-check dormant-numbers list-scoring
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Updated
Sep 22, 2026