How to retrieve Access Token from Spark Pay?
In order to migrate data to or from Spark Pay, you’ll have to provide your store’s Access Token on Migration Wizard.
So, here’s where you can find it on Spark Pay.
1. Log in to your Admin Panel
2. Step to Tools->Apps and Addons
3. Choose API Apps & Integrations
If not, press New to create a new app, enter app’s name and description (optionally), select Single Token Flow on the next step, and finally put ticks near View and change in each Permissions section. Save the changes.