If you're going to use the API to manage configuration automation and large-scale change, you would basically not need to use Configuration Templates. These are generally used as an alternative to the API, for customers who need to be able to make changes at scale and are unaffected by (or can work with) with any of the limitations of Templates and/or maybe don't have available skills in scripting, to make use of the API. Or they don't wish to purchase an API-driven tool built by one of the many Meraki Ecosystem partners. Basically you would build the standardised settings in your preferred automation tool and apply them just to your chosen Organizations, Networks, Devices etc. by filtering and iterating appropriately - perhaps through the use of Tags.
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