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I stumbled on your question trying to find an answer to the same thing. You first have to enable RestConf and Https.
https://developer.cisco.com/docs/ios-xe/#!enabling-restconf-on-ios-xe/restconf
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:...
It's called Toll Fraud, and there is an article that discusses the problem, the risks, and the mitigations:
http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-express/107626-cme-toll-fraud.html