I'm pretty new to the API myself so this may not be a comprehensive answer. I'm doing something similar, renaming APs and so far I have been able to change 15 at once using that API call and Collection Runner in Postman. Here's what I did: *Install Postman and the Meraki Dashboard API Collection (the collection is optional, you can just type this in) *Create a new request in Postman (either make environment variables for your API key, the baseURL, and networkId or just fill them in). Here is what mine looks like. {{baseUrl}}/networks/{{networkId}}/devices/{{serial}}?name={{name}} *Create a .csv file with two columns. One has header "serial" and the other has header "name" *Click Runner in Postman to open that window. Choose the request you created above and use Select File to choose the .csv file *Click Run Start *Check the Meraki dashboard to see that it worked. My command only updates the name, so any variables you don't change stay the same. You should be able to change the name variable to be your tag variable instead and add another one for the address. Here's a link to the Postman variable documentation that may help with adding another variable. https://learning.postman.com/docs/postman/variables-and-environments/variables/ Hope that helps.
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