I can't get the price. The same error: Exception: unauthorised.access.to.equity.exception for all possible combinations. Even if you open trade to e.. Tesla, you can't see any detail from REST.
open_positions:
{'contractSize':1.0,'createdDate':'2020/06/1217:58:38:000','dealId':'DIAAAADXBUE4MAL','dealSize':1.0,'direction':'BUY','limitLevel':None,'openLevel':941.0,'currency':'USD','controlledRisk':False,'stopLevel':None,'trailingStep':None,'trailingStopDistance':None,'limitedRiskPremium':None}
Probably Interactive Brokers or paid service (https://iexcloud.io/console) is the solution.
No difference if DEMO/LIVE account.
Someone who actually trading Shares via REST?