Create application

Click your profile in the top right corner, go to Developers. 

Then click on Register a new App and enter a name, and press Create app.

Scopes

Next, configure the scopes for the app.

Select Edit Scopes as seen above, and enter the scopes as prompted in your connection flow.

Please see the below image for an example of the scopes you need to provide:

Please note: The above screenshot is strictly an example, your connection flow will show different scopes that you will need to add. Please add the scopes as listed in your connection flow.

For each permission prompted in your connection flow, find the corresponding permission and enable read or write access, as prompted:

Please note: The above screenshot is strictly an example, your connection flow will show different scopes that you will need to add. Please add the scopes as listed in your connection flow.

API Access Token

Now, create the API Access Token by clicking Generate access token. Make sure to select the longest possible expiration time as pictured below:

Copy the generated token as pictured below and paste it into the connection flow.