Filtering canceled plans by source
List of cancelled plans by source via API
Event logs of your customers and subscriptions can be found in the Events section. You can filter cancelled subscriptions by a source under the Events Index Page. You can also achieve this using API.
Navigate from UI under Logs > Events then
Add filter as Event Type > Subscription Cancelled.
Add another Filter as Source > Choose a Source or a list of sources, you want to filter and you can get the results respectively.
You can retrieve a list of events using the List Events API. Choose the Product Catalog version of your site to use the fetch the relevant API.
Note: Only events that are less than 90 days old will be retrieved