I have queries related to auto trading

Hi I am planning to develop applications for automatic transaction. In order to develop the same I have few queries. please find the same below. Does the API include data fetch, sell/buy, setting buy and sell limits, transaction confirmation, API supported in which languages? what is API data format XML/JSON…? Calls are synchronous or asynchronous? Is there is developer support? Stock prices fetched as bulk or as ticks or both?

hElLO tRaDeR,

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