Best/Most Comprehensive API for Stocks/Financial Data

Posted by Wilco on Stack Overflow See other posts from Stack Overflow or by Wilco
Published on 2009-01-06T17:32:42Z Indexed on 2010/06/08 5:02 UTC
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Filed under:

web-services

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api

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rest

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soap

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finance

What is the most recommended free/public API for accessing financial market stats and stock quotes (preferrably real-time quotes)? I'm not too picky about how it's exposed (SOAP, REST, some proprietary XML setup, etc.), as long as it's got some decent documentation.

I'm planning to build a simple web dashboard in PHP with some basic data (basically a quick-n-dirty homepage), but may want to grow it into a full blown web app eventually. Any thoughts?

As I find some, I'll post a list here (feel free to comment if you've used any of them before):

Free

opentick (soprano)

Not Free

XigniteRealTime

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