Aggregated call counts per campaign-lead over a period.

When to use. Dashboards and per-lead call-frequency reporting without pulling every call row. For the raw call list use GET /calls.

Parameters. from and till bound the period, and campaign_id limits results to one campaign. All three are path segments. Returns 400 if from or till is missing.

Shape. { "callsStats": [ { "campaign_lead_id", "lead_id", "period_count", "total_count", "original_identifier", "purchase_site" } ] }.