Web service api vba
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Each node represents a tag and the value the tag contains. Each node may consist of several child nodes. Let’s say we want the bid value of the USD to BGN. So now that we have connected to a webpage with an API, how can we get the data we are after? Consider the first example where we were trying to get data from the page USD Forex API. Below I have brought the XML on that page:
WEB SERVICE API VBA CODE
We could then use a code similar to the one below to connect to the XML file: The last line loads the webpage with the XML API:Īnother method would be using early binding, in this method a reference must be created to one of the Microsoft XML Libraries: By default the async property is set to true, which may lead to errors if the XML file hasn’t finished loading and we try to access it: If its set to true, the program will continue execution even if the XML file has not been loaded.
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If the async property is set to false, the program will wait for the XML file to load before executing the next line. Set xmlOBject = CreateObject("MSXML2.DOMDocument.5.0") Once you have the URL of the webpage you can connect to it using the methods below: google the term “Time API” and again you will see a list of sites offering an API that provides the current date and time. Or for example lets say you want your program to connect to the internet and get the current time and date. You can find them by googling the term “Forex API”. There are many sites offering an API to the different currency exchange rates, most of them require a subscription. For example lets say you want to build an application that can get the exchange rate for different currencies. Microsoft MSDN, A Beginner’s Guide to the XML DOM.For a more in depth explanation about the MSXML object please see the link below: In this article I will briefly explain how the MSXML object can be used to get data from the internet. The MSXML object is actually used to connect to an XML file. A faster method would be using the MSXML object. The downside of using the MSXML object is that you can’t use it on any site. The problem with using Query Tables, is that they are slow. Excel VBA, Retrieving Data From a Website Using a Query Table.Previously in the article below I’ve explained how you can get data from the web using query tables in VBA: