MiFID II rules to affect OANDA’s trade execution for European clients
Effective December 16, 2017, OANDA is required to restrict API trade execution from third-party platforms for European clients (Motivewave, TradingView, Seer, MultiCharts, etc.). With etc. that would be Zorro as well...

Full news here:
https://financefeeds.com/mifid-ii-rules-affect-oandas-trade-execution-tradingview-european-clients/
https://blog.tradingview.com/en/oanda-mi...ng-dec-16-6279/

Other brokers to follow soon?