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Batch related notifications into a single digest message using Novu’s digest step. Instead of sending one notification per event, Novu collects events over a time window and delivers a summarized message such as “10 people liked your post.”

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How does digest work in Novu?

Add a digest step to your workflow before the channel step. Novu collects events that match the digest key within the configured window, then renders a single notification with aggregated content. Typical digest settings:
  • Window: 5 minutes, 1 hour, or 24 hours depending on urgency
  • Digest key: A field such as payload.postId to group events
  • Template: Use digest variables to list aggregated items

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When should I use digest notifications?

ScenarioDigest windowExample message
Social activity1–24 hours”10 people liked your post”
Weekly summary7 days”Your weekly activity report”
Comment threads15–60 minutes”5 new replies on your thread”

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How do I trigger events for digest workflows?

Trigger the same workflow for each individual event. Novu handles batching automatically based on the digest step configuration and digest key. 
curl -X POST https://api.novu.co/v1/events/trigger \
  -H "Authorization: ApiKey <NOVU_SECRET_KEY>" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "post-liked",
    "to": { "subscriberId": "user_123" },
    "payload": { "postId": "post_456", "likerName": "Alex" }
  }'

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Frequently asked questions

Digest batches multiple events into one summarized notification. Throttle limits how often a subscriber receives notifications for the same workflow within a time window.
Yes. Place digest before multiple channel steps (for example, in-app and email) so all channels receive the batched summary.