Reasonably Priced Data Stream with API?

Quote from MGB:

What does Rithmic R|API feed look like, programming-wise?
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Very primitive, which is the joy of it.

* C++ library, though I hear a .NET version now exists.
* Message passing based. You call in, callbacks provide results asynchronously.

For example you subscribe to an instrument, you start getting updates for it.

No OO (ok, they have objects, but at the end it is an interface achitecture with objects that form the messsages - no "live changing objects), but in this case that really is the beauty, because at the end you do talk message passing architecture anyway, down on the wire level.

I find it pretty easy to work with ;)
 
Not YET. I am soon going to publish the first set of Tradex code... but then it will not be a complete running system as open source...
 
Quote from Charles01:

I'm with Interactive Brokers but have found their data stream to be useless due to the 100 symbol limit, limits on the number of backfills and extremely slow speed of backfills. I've been looking at third party data streams and have found some reasonably priced ones but none of them offer an API. I've also found a few with an API but the pricing is a bit ridiculous (presumably aimed at institutions).

Can anybody recommend a reasonably priced data stream that offers an API?

Thanks for any suggestions you can offer.
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Don't know quite what you're looking for, but NxCore will give you a full market feed (e.g., all US equities) for something like $1000/month (not sure of exact numbers), and it's all API based.
 
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