> ## Documentation Index
> Fetch the complete documentation index at: https://help.airbridge.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Event Source

Below are the tracking tools used by Airbridge to collect events from each event source.

| Event Source    | Tracking Tool                               | Description                                                                                         |
| --------------- | ------------------------------------------- | --------------------------------------------------------------------------------------------------- |
| Mobile App      | Mobile app SDKs (e.g. Android SDK, iOS SDK) | User events that occur on a mobile app are collected by mobile app SDKs (e.g. Android SDK, iOS SDK) |
| Web             | Web SDK                                     | User events that occur on the web are collected by the web SDK.                                     |
| Channel (Media) | Tracking Link                               | View/impression events that occur on media ads are collected through tracking links.                |
| Custom          | (Server to server) Event API                | Events from other sources such as offline sources are collected from server to server.              |

<link rel="alternate" hrefLang="en" href="https://help.airbridge.io/en/developers/event-source" />

<link rel="alternate" hrefLang="ko" href="https://help.airbridge.io/ko/developers/event-source" />