Examine source code of zapi

{
  "manifest_version" : 3 ,
  "name" : "zapi",
  "description" : "Zapi is a lightweight extension that lets you send API requests instantly from a popup interface.",
  "version" : "0.4.0",
  "icons" : {
    "32" : "icons/icon32.png"
  },
  "permissions" : [
    "storage" ,
    "activeTab" 
  ],
  "host_permissions" : [
    "<all_urls>" 
  ],
  "action" : {
    "default_popup" : "index.html",
    "default_title" : "Toggle zapi",
    "default_icon" : {
      "32" : "icons/icon32.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "zapi@HawkdotDev.com",
      "strict_min_version": "109.0"
    }
  }
}