Metrics
Get topic engagement analytics
Returns delivery and engagement performance for one topic over the selected time window. API-key authentication always uses the key’s project; projectId is only needed for dashboard-session authentication.
Requirements
- Permission:
emails:sendoremails:readormetrics:read. - HTTP rate limit: 120 requests per 60 seconds per API key.
GET
Get topic engagement analytics
Authorizations
Project-bound Apollo Signal API key. Keys begin with ap_signal_ and must carry the permission shown on the operation.
Path Parameters
Topic identifier.
Query Parameters
Time window: 24h, 7d, 30d (default), 90d.
Required for session auth; ignored for API key auth.
Response
Request completed successfully.