Like @alemabrahao and @RaphaelL say, results are returned in 'pages', for the endpoint you are using the maximum is 1,000 devices per page.   If you have more than 1,000 devices, you will need to follow the pagination rules to get the next page(s) of results, see... https://developer.cisco.com/meraki/api-v1/pagination/   Ypu can use the script from @Jamieinbox or write one yourself using the Meraki Python library (it can handle the pagination for you)... https://github.com/meraki/dashboard-api-python   ... View more