Get delivered-count comparison between Email and SMS for a campaign, bucketed by day, week, or month.

Auth: Account — authentication bearer token. Non-matching id returns 404 Campaign not found.

Rate limit: No rate limit.

Request

• Query: group_by (string, optional) — day, week, or month; defaults to day. day buckets are Y-m-d-labelled, week buckets are Mon–Sun ranges labelled like Aug 18-24, 2025, month buckets are labelled like Aug 2025.
• Query: limit (integer, optional, 1–7) — number of buckets ending at end_date; defaults to 7.
• Query: end_date (string Y-m-d, optional) — anchor for the most recent bucket; defaults to now end-of-day.

Response — { data. } envelope (double-wrapped as { data: { status, data: [.] } }). data is an ordered array of buckets:

• key (string) — the bucket label (date / week-range / month, per group_by).
• email (int) — non-test rows delivered (delivered_at) in the bucket.
• sms (int) — non-test rows delivered in the bucket.

Path params

Errors: 422 on validation failure.