You should check https://dashboard.meraki.com/api_docs/v1#devices. "url" should now be there for deep-linking to the devices. Samples haven't been updated yet, but the value should be there.
 
$ curl --silent -L -H "X-Cisco-Meraki-API-Key: <key>" https://api.meraki.com/api/v0/organizations/710305/networks/L_578149602163690687/devices/Q2KN-XXXX-X... | jq
{
  "lat": 37.4180951010362,
  "lng": -122.098531723022,
  "address": "",
  "serial": "Q2KN-XXXX-XXXX",
  "mac": "0c:8d:db:xx:xx:xx",
  "wan1Ip": "x.x.x.x",
  "wan2Ip": null,
  "lanIp": "x.x.x.x",
  "url": "https://n27.meraki.com/Dynamic-Access-C/n/GmdI2aB/manage/nodes/new_list/13803413613080",
  "networkId": "L_578149602163690687",
  "name": "dCloud DAC MX",
  "model": "MX64",
  "firmware": "wired-15-14",
  "floorPlanId": null
}