Integrate PubMatic with AdMob Mediation

Select platform: Android iOS Unity Flutter React Native Android (Legacy)

This guide shows you how to use Google Mobile Ads SDK for React Native to load and display ads from PubMatic using AdMob Mediation, covering bidding integrations. It covers how to add PubMatic to an ad unit's mediation configuration and how to integrate the PubMatic SDK and adapter into a React Native app.

Supported integrations and ad formats

The AdMob mediation adapter for PubMatic has the following capabilities:

Integration
Bidding
Waterfall
Formats
App Open
Banner
Interstitial	^1
Rewarded	^1
Rewarded Interstitial
Native	^1

¹ This format is in beta. Reach out to your account manager to request access.

Prerequisites

Before you continue, verify the following:

• Latest Google Mobile Ads SDK for React Native version.
• React Native framework version 0.85.0 or later.
• To deploy on Android
  • Android API level 24 or later.
• To deploy on iOS
  • iOS deployment target of 13.0 or later.
• A working React Native project configured with Google Mobile Ads SDK for React Native. See Set up Google Mobile Ads SDK for React Native for details.
  • Make sure you have downloaded and extracted the adapters folder from the gma-sdk-react-native folder. If you don't have the adapters folder, follow steps one, two, and three in Install Google Mobile Ads SDK for React Native.
• Set up AdMob Mediation.

Step 1: Set up configurations in PubMatic OpenWrap SDK UI

Sign up or Log in to your PubMatic account and select the OpenWrap SDK card.

Add a new application

Navigate to the Apps tab and click the Add App button.

Select the Platform, as well as the App Store URL and App Name for your app.

Android

Under Integration Path, select React Native and select AdMob - SDK Bidding as the Sub-integration Path. Then, click the Add App button.

iOS

Under Integration Path, select React Native and select AdMob - SDK Bidding as the Sub-integration Path. Then, click the Add App button.

Update your app-ads.txt

Authorized Sellers for Apps app-ads.txt is an IAB Tech Lab initiative that helps ensure your app ad inventory is only sold through channels you've identified as authorized. To prevent a significant loss in ad revenue, you'll need to implement an app-ads.txt file. If you haven't done so already, set up an app-ads.txt file for your app.

Before your app is finalized, you will be presented the appropriate entries to add to your app-ads.txt.

For additional information on how to implement app-ads.txt for PubMatic, see How to Implement app-ads.txt.

Profile ID

Once your app is created, navigate to the Apps tab and take note of your newly created application's Profile ID.

Create an ad unit

Under the Ad Units tab, select the app you created on the previous section and click the Create Ad Unit button.

Fill out the form with the details of your ad unit and click Save.

Take note of your newly created OpenWrap Ad Unit ID.

Obtain your Publisher ID

Navigate to the Analytics Dashboard. Hover over the profile icon and take note of your ID.

Step 2: Set up PubMatic OpenWrap SDK demand in AdMob UI

Configure mediation settings for your ad unit

Android

For instructions, see step 2 in the guide for Android.

iOS

For instructions, see step 2 in the guide for iOS.

Add PubMatic to GDPR and US state regulations ad partners list

Important: Verify that you have Account Management permission to complete the configuration for EU Consent and GDPR, US State regulations, and User Messaging Platform. See Manage user access to your account for details.

Follow the steps in European regulations settings and US state regulations settings to add PubMatic to the European and US state regulations ad partners list in the AdMob UI.

Step 3: Import the PubMatic OpenWrap SDK SDK and adapter

Note: Failure to integrate the compatible PubMatic and Google Mobile Ads SDK for React Native versions might lead to build issues.

In your project's root directory, install the Google Mobile Ads SDK for React Native mediation adapter for PubMatic OpenWrap SDK. Complete the following:

1. Copy the Google Mobile Ads SDK for React Native adapter tar file from the gma-sdk-react-native/adapters/pubmatic/ directory into your project's local_packages/ directory. If you don't have the adapters folder, see Prerequisites.

   mkdir -p local_packages
   cp EXTRACT_DIR/gma-sdk-react-native/adapters/pubmatic/gma-mediation-pubmatic-0.1.0.tgz local_packages/
   

   Replace EXTRACT_DIR with the path to the directory where you extracted the archive.

2. Install the adapter package using your preferred package manager:

   npm

   npm install ./local_packages/gma-mediation-pubmatic-0.1.0.tgz
   

   yarn

   yarn add ./local_packages/gma-mediation-pubmatic-0.1.0.tgz
   

3. If you're building for Android, add the following repository to the build.gradle file in your project's android directory:

   repositories {
       google()
       mavenCentral()
       maven {
           url = uri("https://repo.pubmatic.com/artifactory/public-repos")
       }
   }
   

Step 4: Implement privacy settings on PubMatic OpenWrap SDK SDK

EU Consent and GDPR

To comply with the Google EU User Consent Policy, you must make certain disclosures to your users in the European Economic Area (EEA), the UK, and Switzerland, and obtain their consent for the use of cookies or other local storage where legally required, and for the collection, sharing, and use of personal data for ads personalization. This policy reflects the requirements of the EU ePrivacy Directive and the General Data Protection Regulation (GDPR). You are responsible for verifying that consent is propagated to each ad source in your mediation chain.

PubMatic OpenWrap SDK React Native adapter version 0.1.0 and later supports passing GDPR consent signals from consent management platforms that integrate with IAB's Transparency and Consent Framework (TCF) to PubMatic OpenWrap SDK SDK. For more information, see Pass GDPR and GDPR consent.

US states privacy laws

US states privacy laws require giving users the right to opt out of the "sale" of their "personal information" (as the law defines those terms), with the opt-out offered through a prominent "Do Not Sell My Personal Information" link on the "selling" party's homepage. The US states privacy laws compliance guide offers the ability to enable restricted data processing for Google ad serving, but Google is unable to apply this setting to each ad network in your mediation chain. Therefore, you must identify each ad network in your mediation chain that may participate in the sale of personal information and follow guidance from each of those networks to ensure compliance.

PubMatic automatically reads CCPA consent set by consent management platforms that support Google's Additional Consent specification, including the UMP SDK. For more information, see Set CCPA String.

Step 5: Add required code

Android

No additional code required for PubMatic integration.

iOS

SKAdNetwork integration

Follow PubMatic OpenWrap SDK's documentation to add the SKAdNetwork identifiers to your project's Info.plist file.

Step 6: Test your implementation

Enable test ads

Make sure you register your test device for AdMob.

Important: Disable test mode for AdMob and PubMatic OpenWrap SDK before releasing your app.

Verify test ads

To verify that you are receiving test ads from PubMatic OpenWrap SDK, enable single ad source testing in ad inspector using the PubMatic OpenWrap ad source(s).

Error codes

If the adapter fails to receive an ad from PubMatic, publishers can check the underlying error from the ad response using ResponseInfo under the following classes:

Android

com.pubmatic.sdk
com.google.ads.mediation.pubmatic

iOS

GADMediationAdapterPubMatic

Here are the codes and accompanying messages thrown by the PubMatic adapter when an ad fails to load:

Android

Error code	Domain	Reason
101	com.google.ads.mediation.pubmatic	Server configuration missing a required publisher ID.
102	com.google.ads.mediation.pubmatic	Ad format unsupported by PubMatic or missing in RTB signal data.
103	com.google.ads.mediation.pubmatic	Failed to present an ad because the ad was not ready.
104	com.google.ads.mediation.pubmatic	Missing or invalid Profile ID.
105	com.google.ads.mediation.pubmatic	Missing or empty Ad Unit ID.
106	com.google.ads.mediation.pubmatic	Returned Rewarded ad is null.
107	com.google.ads.mediation.pubmatic	Invalid banner ad size.
1001-5002	Sent by PubMatic SDK	PubMatic SDK returned an error. See PubMatic's documentation for more details.

iOS

Error code	Domain	Reason
101	com.google.ads.mediation.pubmatic	Server configuration missing a required publisher ID.
102	com.google.ads.mediation.pubmatic	The bidding signal collection request failed because multiple formats, no format, or an unsupported format was specified in the request parameters.
103	com.google.ads.mediation.pubmatic	Invalid ad configuration for loading an ad.
104	com.google.ads.mediation.pubmatic	Failed to present an interstitial ad because the ad was not ready.
105	com.google.ads.mediation.pubmatic	Failed to present an rewarded ad because the ad was not ready.
106	com.google.ads.mediation.pubmatic	Failed to load one of the native ad image sources.
107	com.google.ads.mediation.pubmatic	The ad configuration is missing a publisher ID.
108	com.google.ads.mediation.pubmatic	The ad configuration is missing a profile ID.
109	com.google.ads.mediation.pubmatic	The ad configuration contains a non-number profile ID.
110	com.google.ads.mediation.pubmatic	The ad configuration is missing an ad unit ID.
111	com.google.ads.mediation.pubmatic	PubMatic OpenWrap SDK failed to instantiate an ad size instance.
1001-5002	Sent by PubMatic SDK	PubMatic SDK returned an error. See PubMatic's documentation for more details.

Version 0.1.0

• Initial release.

• Supports PubMatic Android adapter version 5.3.0.1.
• Supports PubMatic iOS adapter version 5.3.0.0.
• Built and tested with the Google Mobile Ads React Native Plugin version 0.1.0.