Hi..
i want to develop an app in salesforce using apex RestCallouts can i develop app in Developer Edition or is this required to buy Enterprise Editon , if it is mandatory to buy license how to approach salesforce team to buy license

Hi..
i want to develop an app in salesforce using apex RestCallouts can i develop app in Developer Edition or is this required to buy Enterprise Editon , if it is mandatory to buy license how to approach salesforce team to buy license