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We are trying to get the Streaming Prices for currency pairs using the LightStreamer Service. The Documentation mentions that 
Note: the backend servers are currently still using version 5.1.2 of Lightstreamer. You will need to download and use version 5.1.2 of the Lightstreamer SDK until the servers are upgraded to the latest Lighstreamer version.

So is this the Server Version or the LightStreamer Client version that we need to use?

We tried the latest LightStreamer-Client 7.1.2 and the server disconnects with server error 60 ----this version of the client is not allowed by the current license terms.

We tried the lightstreamer-client 6.1.4 which in the NPM  registry says compatible with legacy-server-5.1.2, but here we are not able to get the angular app working as the lightstreamer js is not compatible with the ES5 Strict policy.

We tried the Lightstreamer-client-web but that also throws server error 60.

Please let us know which LightStreamer Client version should we download to get the streaming service up at our end.



Aniket Kadam



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Hello Aniket,

The API documentation needs to be updated. The version of Lightstreamer running on our servers is (v7.03). The client development kits (CDKs) matching v7.03 can be download at: https://lightstreamer.com/download/#ls70. You just have to pick the correct programming language CDK to match what you are using.

Kind Regards, PM

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I tried the url provided by you, but was not able to get the Streaming to work. Also tried to check out the version 7.03, there is no such version. It is 7.0.3 but even that didnt work.

Finally got the lightstreamer-client version 7.2.4 from NPM registry and i was able to get the ls Client up but there was an issue with the Subscription. So downgraded and tried other versions. Finally 7.2.2 version of lightstreamer-client from the NPM registry worked and now have the streaming up and running.

Hope this helps anyone who is trying to get the streaming working for Forex.com .

Kind Regards,


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I just noticed the main page of the API documentation says  


require the use of the latest Lightstreamer client library.

keyword being latest. The latest is 7.2.0? Should I use 7.2.0, or 7.0.3 as you mention here?

Thanks in advance. Normally I'd just try one and if it doesn't work use the other but I'm way out of my depth so please forgive my naivete.


you can disregard

this thread is helping me understand


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Hi Buzz,

Apologies for the late reply - you seem to have figured it out. Just in case, it is 7.0.3, which at the time the quoted line was written was the latest version. Clearly this has since been superseded. 

Kind Regards, PM

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