Obtain rentability

I developed an addon for this API that makes consuming the API much easier.

Where do you put the ticker in request?

UK - London Stock Exchange

Is there a single source where I can pull the entire universe of performanceid's for every stock in every exchange?

Realtime data problems for 0P00009VEB

The code snippets proposed for R doesn't work

PO Meaning?

No Useful Data Returned

Cannot find SPY (SPDR® S&P 500 ETF Trust) by performanceId