Currency conversion

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asp.net
c#

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239

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+3 Q:

Currency conversion

Hi,

Does anyone know of a web service(pay or free) that will convert one currency to another based on current market value?

Thanks in advance

ADDITION

I am not looking for a screen scrapeing solution. I am looking for something that I can setup and walk away from not something that I will have to rebuild if someone changes the UI.

Yes. It is called google.

http://www.google.com.au/search?hl=en&q=100+USD+in+AUD&meta=

This simple query will convert 100 USD into AUD. It should be a simple case of scrapping this data. Once you have a scrapper that works well, wrap this in your own API.

Google used to be notorious for blocking IP addresses, so on the safe side insert a hardcoded pause between requests.

Harry 2009-03-10 22:12:54

There are already heaps of resources on the web about building Webscrappers. Here is a link i have used in the past http://aspalliance.com/236_NET_Screen_Scraping_in_depth.5

Harry 2009-03-10 22:14:22

This is fine for casually checking conversion rates, but it is not the right tool for using in an application. Google has no SLA for their conversion rates.

Wedge 2009-03-10 22:27:54

My guess would be because you didn't answer the question. The question asked for a webservice. Screen scraping google is not a web service.

Andrew Rollings 2009-03-10 22:29:09

sure, it obviously depends on the projects requirements. Accuracy as well as uptime/availability. As to Google's SLA, I haven't heard of google being 'down' in a LONG time (Actually never have - not that I know everything)

Harry 2009-03-10 22:30:08

Ya but google doesn't have an Service Level Agreement with my company and as you mentioned they ban ips that are obviously screen scrapping. No decent company would accept that if I told them that was the solution that I came up with.....

2009-03-10 22:34:36

@Harry, it's not about google going down, it's about providing accurate conversion rates. If google gives rates that are 1%, 10%, or 10x in error, or a month out of date, that's a very serious problem if you're relying on the data, but it's a much less serious problem to google.

Wedge 2009-03-10 23:58:58

@Wedge: I already mentioned that the Accuracy and uptime requirements are going to be differ between projects

Harry 2009-03-11 01:40:20

A whole list of currency conversion web services can be found here

http://seekda.com/search?q=currency+converter

Russ Cam 2009-03-10 22:14:52

+4 A:

http://www.webservicex.net/WCF/ServiceDetails.aspx?SID=18

(schema is here: http://www.webservicex.net/CurrencyConvertor.asmx?WSDL )

Andrew Rollings 2009-03-10 22:15:11

I've used this one for real-time currency conversion for the past year or so with no problems...

Andrew Rollings 2009-03-10 22:31:36

Whoever downvoted this, it would be courteous to explain why! :)

Andrew Rollings 2009-03-10 22:42:11

How about www.xe.com, a 'real' site where you can actually move money as well as get the currency rates.

MrTelly 2009-03-10 23:10:56

Yes, great site for interactive currency conversion - but they don't seem to offer up their services as a webservice in any way, shape or form :-(

marc_s 2009-03-11 06:11:38

http://www.xe.com/dfs/product.php - gives you all the info

MrTelly 2009-03-11 09:56:21

XigniteCurrencies seems like a good bet with guarantees of uptime and up-to-date data, though it looks to be a bit pricy.

Wedge 2009-03-11 00:00:45

http://www.oanda.com/channels/business/FXML.shtml

Eugene Osovetsky 2009-09-30 23:57:17

ansaurus

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Currency conversion

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