Conventions and definitions

Last updated: 2025年3月31日

Server Time

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

Unique Identifiers

The system constructs unique identifiers according to the

Universally Unique Identifier

Example

c18f0c17-9971-40e6-8e5b-10df05d422f0 

standard. 

Dates and Times

The API requires dates and time arguments in the

ISO8601 datetime format

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. 

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