# Mediation Partner Overview

_If you’re already using one of our mediation partners, add Chartboost to your waterfall to increase your fill rate and eCPM._

  

## Set Up Ad Locations

Review our  [Ad Locations](/en/monetization/publishing/ad-locations/)  documentation to set up Ad Locations if you haven’t already.

Before you start, check your  **mediation partner**  below to make sure they support the ad type you want to publish.

Each  **ad type**  requires its own Ad Location.



## Mediation Partners

-   [Chartboost Mediation](/en/monetization/mediation/chartboost/)
-   [Fyber DT FairBid](/en/monetization/mediation/dt-fairbid/)
-   [Unity LevelPlay](/en/monetization/mediation/unity-levelplay/)
-   [Google AdMob](/en/monetization/mediation/admob/)
-   [AppLovin Max](/en/monetization/mediation/max/)
-   [DoubleClick for Publishers](https://support.google.com/admanager/answer/6272813?hl=en)


### Locating your user ID and user signature

1. Log in to your [Chartboost platform](https://platform.chartboost.com/)
2. Navigate to **Mediation**. You will be redirected to the Helium Dashboard (<https://helium.chartboost.com/>).
3. From the left navigation, go to **Resources > API Explorer**.
4. Your **user ID** and **user signature** is listed under **Authentication**

<div class="alert alert-info" role="alert">
  <b>Note:</b> Chartboost is hard at work redesigning, migrating, and improving dashboards & platform services. Please bear with us as some tools, features, and information may be in odd areas.
</div>



## Ad Types

-   **Rewarded videos**  let players earn in-game items or virtual currency in exchange for a completed video view.
-   **Video interstitials**  earn you revenue whenever a player completes a view of a video ad within your game
-   **Static interstitials**  earn you revenue for every ad click or install of the game being promoted.

[Learn more about ad types](/en/faq/most-popular-faqs/)

**Android only:**  Any activities that show Chartboost ads need the value  `android:hardwareAccelerated="true"`  in their activity entry on the android manifest. Else, the video might not display properly.