Get Refresh Token

How to easily get a refresh token is shown below. Please follow the steps below:

• In the step to create a client ID, add an additional “Authorized Redirect URI”:
  • https://developers.google.com/oauthplayground
• Now go to the Google OAuth2 Playground. This is a site hosted by Google to help you do your validations. Click on the Settings icon:

• Select the option to “Use your own OAuth credentials”, and provide the “OAuth Client ID” and “OAuth Client secret” that you obtained in the step to create a client ID. Click “Close” once you are done

• On the left, under the section that says “Select & authorize APIs”, you will see a box that says “Input your own scopes”. Put in https://www.googleapis.com/auth/photoslibrary.readonly https://www.googleapis.com/auth/photoslibrary.sharing. Note that there are two URLs, separated by a space. Click “Authorize APIs”.

• You will then be brought back to the OAuth 2.0 Playground. You will see and authorization code and an option to “Exchange authorization code for tokens”. Click on it

• You will finally see Google provide you with a “Refresh token” and an “Access token”. Copy the “Refresh token”: