Create a new segment.
Manual segments — Use subscriptions or emails input to create a segment from an explicit list of subscription IDs or email addresses. The segment is processed synchronously and returns with status: completed. Net new email addresses will be ignored; create subscriptions using the Create Subscription endpoint.
Dynamic segments — Use custom_fields input to create a segment that filters subscribers by custom field values. The segment is processed asynchronously and returns with status: pending. Results will be available in the List Segment Subscribers endpoint after processing is complete.
Bearer authentication of the form Bearer <token>, where token is your auth token.
Input for segment creation. Use subscriptions or emails to create a manual segment from explicit lists, or custom_fields to create a dynamic segment filtered by custom field values.