subscriber.created

Fired when a new subscriber is added to an audience.

{
  "event_id": "evt_2bH7kNwP5mQaV1sXgIdKe6pZr",
  "type": "subscriber.created",
  "data": {
    "object": {
      "id": "sub_4yM2nTvR8oPcX3uZiKeLg7sB",
      "object": "subscriber",
      "subscribed": true,
      "subscribed_at": null,
      "unsubscribed_at": null,
      "audience": { "id": "oid", "name": "Name" },
      "contact": {
        "id": "oid",
        "email": "email",
        "first_name": "first name",
        "last_name": "last name",
        "custom_fields": {}
      },
      "created_at": "2026-02-11T22:14:33.481927+00:00"
    }
  }
}

Fields

id string

Unique subscriber identifier.

object string

Always subscriber.

subscribed boolean

Whether the subscriber is currently subscribed.

subscribed_at string | null

ISO 8601 timestamp of subscription.

unsubscribed_at string | null

ISO 8601 timestamp of unsubscription.

audience object

The audience this subscriber belongs to.

contact object

The contact associated with the subscriber.

created_at string

ISO 8601 timestamp.

subscriber.updated

Fired when a subscriber is updated.

{
  "event_id": "evt_2bH7kNwP5mQaV1sXgIdKe6pZr",
  "type": "subscriber.updated",
  "data": {
    "object": {
      "id": "sub_4yM2nTvR8oPcX3uZiKeLg7sB",
      "object": "subscriber",
      "subscribed": true,
      "subscribed_at": null,
      "unsubscribed_at": null,
      "audience": { "id": "oid", "name": "Name" },
      "contact": {
        "id": "oid",
        "email": "email",
        "first_name": "first name",
        "last_name": "last name",
        "custom_fields": {}
      },
      "updated_at": "2026-02-11T22:14:33.481927+00:00",
      "created_at": "2026-02-11T22:14:33.481927+00:00"
    }
  }
}

Fields

id string

Unique subscriber identifier.

object string

Always subscriber.

subscribed boolean

Whether the subscriber is currently subscribed.

subscribed_at string | null

ISO 8601 timestamp of subscription.

unsubscribed_at string | null

ISO 8601 timestamp of unsubscription.

audience object

The audience this subscriber belongs to.

contact object

The contact associated with the subscriber.

updated_at string

ISO 8601 timestamp of the update.

created_at string

ISO 8601 timestamp.

subscriber.deleted

Fired when a subscriber is removed from an audience.

{
  "event_id": "evt_2bH7kNwP5mQaV1sXgIdKe6pZr",
  "type": "subscriber.deleted",
  "data": {
    "object": {
      "id": "sub_4yM2nTvR8oPcX3uZiKeLg7sB",
      "object": "subscriber",
      "subscribed": true,
      "subscribed_at": null,
      "unsubscribed_at": null,
      "audience": { "id": "oid", "name": "Name" },
      "contact": {
        "id": "oid",
        "email": "email",
        "first_name": "first name",
        "last_name": "last name",
        "custom_fields": {}
      },
      "updated_at": "2026-02-11T22:14:33.481927+00:00",
      "created_at": "2026-02-11T22:14:33.481927+00:00"
    }
  }
}

Fields

id string

Unique subscriber identifier.

object string

Always subscriber.

subscribed boolean

Whether the subscriber is currently subscribed.

subscribed_at string | null

ISO 8601 timestamp of subscription.

unsubscribed_at string | null

ISO 8601 timestamp of unsubscription.

audience object

The audience this subscriber belongs to.

contact object

The contact associated with the subscriber.

updated_at string

ISO 8601 timestamp of the update.

created_at string

ISO 8601 timestamp.