For information on changes for our US clients, please visit our Support Center article.

Conventions and definitions

Server Time

The server time is in Coordinated Universal Time (UTC).

Unique Identifiers

The system constructs unique identifiers according to the
Example
c18f0c17-9971-40e6-8e5b-10df05d422f0 
standard. 

Dates and Times

The API requires dates and time arguments in the
and returns all dates and times in the same format. The syntax of this format is
<yyyy>-<mm>-<dd>T<HH>:<MM>:<SS>.<sss>Z
where
<yyyy>
is the year,
<mm>
is the month,
<dd>
is the day,
<HH>
is the hour,
<MM>
is the minute,
<SS>
is the second and
<sss>
is the millisecond. When provided as an argument,
<sss>
is optional.
Z
Examples
 
2016-02-26T12:09:38.830Z
 
2016-02-26T12:09:38Z
denotes that the datetime is in UTC. 

Symbols

Example Symbols
Description
xbt
Bitcoin
xrp
Ripple XRP
fi_xbtusd
Bitcoin-Dollar Derivatives Margin Account
fi_xrpusd
Ripple-Dollar Derivatives Margin Account
fi_xbtusd_180615
Bitcoin-Dollar Derivatives, maturing at 16:00 London time on 15 June 2018
fi_xrpusd_180615  
Ripple-Dollar Derivatives, maturing at 16:00 London time on 15 June 2018
fi_xrpxbt_180615
Ripple-Bitcoin Derivatives, maturing at 16:00 London time on 15 June 2018
in_xbtusd
Bitcoin-Dollar Real-Time Index
rr_xbtusd
Bitcoin-Dollar Reference Rate
in_xrpusd
Ripple-Dollar Real-Time Index
The system identifies cash accounts, margin accounts, derivatives contracts and indices through ticker symbols. Please refer to the platform documentation for details on the ticker symbol syntax. The following shows some sample ticker symbols.