Data collected by the OneSignal SDK

The OneSignal SDK collects data automatically, manually, and through user permission. To customize which data the SDK collects and how to manage consent, see Handling Personal Data. Most data can be exported from the dashboard or API.

Data used for audience segmentation

The following data can target audiences by Segments:

Data	Description
First Session Time	The date and time you first used the app or visited the website (UTC).
Last Session Time	The date and time you most recently used the app or visited the website (UTC).
Session Count	The number of times you have used the app or visited the website.
Total Usage Duration	The total seconds you have interacted with the app, recorded whenever the app is in the foreground.
Device OS	The operating system of the device or browser.
Device Language	The language the device or browser reports. Can also be set with the SDK language methods.
Timezone	The most recent timezone of the device or browser, in IANA TZ format.
Country	The most recent country of the device or browser, in ISO 3166-2 format.
Push Permission Status	Whether the device or browser has push notifications enabled or disabled.
App Version	Mobile only — The app version reported by the most recent session.
Location	Mobile only — GPS coordinates of the device. Must be enabled and accepted by the user.

Data not available for segmentation

The OneSignal SDK also collects the following data, which cannot be used in segments:

Data	Description
Application Identifier	Mobile only — The package name of your mobile application.
Cellular Carrier	Mobile only — The name of the cellular carrier used by the device.
Device Model	The model name of the device or browser.
IP Address	The IP address the device or browser is visiting from. Not stored on OneSignal servers for EU users. See handling IP address tracking.
`web_auth` and `web_p256`	Web push subscription tokens available for export from the API CSV export.
Push Tokens	Mobile app and web push tokens added to the device by FCM or APNs.

Data you manually send to OneSignal

You can optionally send the following data to OneSignal. See Handling Personal Data for details.

Data	Description
Email	The user’s email address, if you want to use OneSignal to deliver emails.
Phone Number	The user’s phone number, if you want to use OneSignal to deliver SMS.
Tags	Any additional data about a user, stored as key-value pairs for segmentation and personalization.
Custom Events	Any additional data about a user, stored as key-value pairs for segmentation and personalization.

Web SDK browser storage

Identifiers, purpose, and type of browser storage used by the Web SDK:

Identifier Name	Purpose	Type
`ONE_SIGNAL_SDK_DB`	Storing user preferences in connection with notification permission status.	IndexedDB dictionary, on customer’s domain.
`os_pageViews`,`isOptedOut`,`isPushNotificationsEnabled`	Prompting and subscription tracking.	Local Storage
`onesignal-pageview-count`,`ONESIGNAL_HTTP_PROMPT_SHOWN`	Prompting.	Session Storage

FAQ

Can I disable all automatic data collection?

Yes for some data. You can customize which data the SDK collects and manage user consent through the Handling Personal Data guide, which covers disabling location sharing, IP address collection, and more.

Does OneSignal store IP addresses for EU users?

No. OneSignal does not store IP addresses on its servers for users located in the EU. See handling IP address tracking for configuration details.

What browser storage does the Web SDK use?

The Web SDK uses IndexedDB, Local Storage, and Session Storage to manage notification permission status, prompting, and subscription tracking. See the Web SDK browser storage section above for the full list of identifiers.

Handling personal data

Manage user consent and customize which data the OneSignal SDK collects.

Exporting data

Export user and device data from the OneSignal dashboard or API.

First steps & settings

Message channels

Journeys

OneSignal AI

Audience & events

Analytics & Integrations

Privacy & Security

Data collected by the OneSignal SDK

Data used for audience segmentation

Data not available for segmentation

Data you manually send to OneSignal

Web SDK browser storage

FAQ

Can I disable all automatic data collection?

Does OneSignal store IP addresses for EU users?

What browser storage does the Web SDK use?

Handling personal data

Exporting data

​Data used for audience segmentation

​Data not available for segmentation

​Data you manually send to OneSignal

​Web SDK browser storage

​FAQ

​Can I disable all automatic data collection?

​Does OneSignal store IP addresses for EU users?

​What browser storage does the Web SDK use?

Handling personal data

Exporting data

Data used for audience segmentation

Data not available for segmentation

Data you manually send to OneSignal

Web SDK browser storage

FAQ

Can I disable all automatic data collection?

Does OneSignal store IP addresses for EU users?

What browser storage does the Web SDK use?