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OAuth Installed Application Flow

This guide will walk you through how to setup OAuth2 for API access using your own credentials and the installed application flow. These steps only need to be done once, unless you revoke, delete, or need to change the allowed scopes for your OAuth2 credentials.

Step 1 - Creating OAuth2 credentials

Follow the steps to configure a Google API Console project for the Google Ads API, note the client ID and secret, then come back to this page.

Step 2 - Setting up the client library

  1. In a terminal, run the AuthenticateInStandaloneApplication example, which will prompt you for your OAuth2 client ID and secret.

    This is an interactive example, which will require you to provide input.

    If using an IDE

    Run the example. The example may fail with an IllegalArgumentException if your IDE does not support using System.console. If the example fails, replace the INSERT_CLIENT_ID_HERE and INSERT_CLIENT_SECRET_HERE values in the example with the client ID and secret from the step above, then run the example again.

    If using the command line:

    $ mvn exec:java -Dexec.mainClass=""
  2. The example will prompt you to visit a URL where you will need to allow the OAuth2 credentials to access your AdWords account on your behalf.

    Paste this url in your browser:****...

    Navigate to the URL in a private browser session or an incognito window. Sign in with the same Google account you use to access AdWords. Click Allow on the OAuth2 consent screen.

    Consent screen allow

  3. An authorization code will be shown to you.

    Authorization code

    Copy and paste the verification code into the console where you're running the example and press enter. The example will complete and display your refresh token and some instructions, followed by the properties you'll need to configure the client library:

    #Mon Apr 23 09:07:51 EDT 2018
  4. Copy the lines from the date comment # to the end of the output into your file.

    Replace INSERT_DEVELOPER_TOKEN_HERE with your developer token.

    For the easiest setup, place the file in your home directory.