# Collective2 API version 3 released **URL:** \ **Category:** C2 Software Development\ **Created:** [January 13, 2016, 5:14pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384 "2016-01-13T17:14:52Z")\ **Posts on this page:** 15\ **Page:** 1
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 13, 2016, 5:14pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/1 "2016-01-13T17:14:52Z")
Attention C2 Programmers - We’ve just published documentation on the latest version of the C2 API. You can read more about it here: [https://collective2.com/api-docs/latest](https://collective2.com/api-docs/latest) ---
**Author:** ![c2-auto-trader](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/c2-auto-trader/32/21425_2.png) [@c2-auto-trader](https://forums.collective2.com/u/c2-auto-trader)\ **Post date:** [January 13, 2016, 11:25pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/2 "2016-01-13T23:25:52Z")
Hi Matthew Do you plan to disconnect old Data Services API (C2DS) soon? ---
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 14, 2016, 12:00am UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/3 "2016-01-14T00:00:50Z")
No. I understand you invested time and energy building your software to use the old API resources. So of course we’ll leave it running. But I gently encourage you to migrate to the new APIs as you develop new software. ---
**Author:** ![c2-auto-trader](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/c2-auto-trader/32/21425_2.png) [@c2-auto-trader](https://forums.collective2.com/u/c2-auto-trader)\ **Post date:** [January 14, 2016, 1:52pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/4 "2016-01-14T13:52:06Z")
I’ve tried to send couple requests using new API (getSystemDetails & requestAllTrades\_overview) and received error message “Credentials provided do not allow access to this systemid”. Does it mean that new API works only with systems on which I subscribed? No general access to any/all systems at C2 now? ---
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 14, 2016, 1:57pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/5 "2016-01-14T13:57:08Z")
Whoops. Will fix that! Will let you know on the forums here when fixed. ---
**Author:** ![c2-auto-trader](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/c2-auto-trader/32/21425_2.png) [@c2-auto-trader](https://forums.collective2.com/u/c2-auto-trader)\ **Post date:** [January 15, 2016, 2:22pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/6 "2016-01-15T14:22:53Z")
I didn’t find request which returns list of all C2 systems with their IDs. Is it possible to get this list using new API? ---
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 15, 2016, 2:47pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/7 "2016-01-15T14:47:43Z")
OK, will add it. Will try to get to these requests over the next couple of days. Sorry. ---
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 15, 2016, 10:00pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/8 "2016-01-15T22:00:23Z")
Hi, Andrey: API version 3 commands getSystemDetails and requestAllTrades\_overview are now available to non subscribers (only closed trades are shown, however). I’ll work on the additional feature you asked for - some kind of strategy roster. MK ---
**Author:** ![c2-auto-trader](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/c2-auto-trader/32/21425_2.png) [@c2-auto-trader](https://forums.collective2.com/u/c2-auto-trader)\ **Post date:** [January 15, 2016, 10:38pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/9 "2016-01-15T22:38:26Z")
I didn’t check it, but could you please also share retrieveSystemEquity and retrieveSignalsAll to non subscribers? Is there any way to put working/closed system flag in the system roster you are working on? ---
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 16, 2016, 7:49pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/10 "2016-01-16T19:49:06Z")
OK, Andrey - Your wish is my command. Commands retrieveSystemEquity and retrieveSignalsAll are now available to non-subscribers via API version 3. There is also a new command (now [included in the C2 API documentation](https://www.collective2.com/api-docs/latest)) called: getSystemRoster - which is self-explanatory. ---
**Author:** ![c2-auto-trader](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/c2-auto-trader/32/21425_2.png) [@c2-auto-trader](https://forums.collective2.com/u/c2-auto-trader)\ **Post date:** [January 17, 2016, 12:47am UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/11 "2016-01-17T00:47:30Z")
Thank you very much!!! That is why I’ve chosen C2 as my signal provider - great support and very detailed information about systems. ---
**Author:** ![GraemeSmith2](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/graemesmith2/32/1487_2.png) [@GraemeSmith2](https://forums.collective2.com/u/GraemeSmith2)\ **Post date:** [January 28, 2016, 1:45am UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/12 "2016-01-28T01:45:29Z")
requestTradesOpen doesn’t seem to be working. It is giving me the closed trades instead. requestTrades also returns the same, the closed trades but no open trades. I am the system developer so I should be able to see the trades. Another thing, retrieveMarginEquity doesn’t seem to work, it returns the following error : { “ok”: “0”, “error”: { “title”: “Unknown API command”, “message”: “Please refer to Collective2 API docs or contact Help Desk for more information” } } However, I didn’t see it in the documentation, but getMarginEquity still seems to work in V3. ---
**Author:** ![MatthewKlein](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/matthewklein/32/21382_2.png) [@MatthewKlein](https://forums.collective2.com/u/MatthewKlein)\ **Post date:** [January 28, 2016, 4:08pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/13 "2016-01-28T16:08:11Z")
Hi Graeme - This was my mistake. I had the wrong name in the docs. Now you can use requestMarginEquity or getMarginEquity. Regarding open trades: Now this is fixed. If you are a subscriber to the strategy, requestTradesOpen will now work for you. Let me know if you have any other issues. Thanks for bringing these to my attention. Matthew ---
**Author:** ![c2-auto-trader](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/c2-auto-trader/32/21425_2.png) [@c2-auto-trader](https://forums.collective2.com/u/c2-auto-trader)\ **Post date:** [February 16, 2016, 2:27pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/14 "2016-02-16T14:27:01Z")
Could you please add trade drawdown information in the data returned for _requestAllTrades\_overview_? This info was in previous API. ---
**Author:** ![VasilyKobylin](https://yyz2.discourse-cdn.com/flex028/user_avatar/forums.collective2.com/vasilykobylin/32/17122_2.png) [@VasilyKobylin](https://forums.collective2.com/u/VasilyKobylin)\ **Post date:** [September 27, 2022, 3:12pm UTC](https://forums.collective2.com/t/collective2-api-version-3-released/8384/16 "2022-09-27T15:12:32Z")
Yep, I broke my neck looking for the right command to obtain the list of working orders as retrieveSignalsWorking does not do anything, but requestTradesOpen works for me!