Miscellaneous

This page contains the following information:

Timestamps: a 10 or 13 digit record of the time of the occurrence of certain action in a Sendbird application.
Page tokens: opaque strings which are used to point a specific index in a data set for pagination.
Language support: the language code tables that Sendbird's message auto-translation feature currently supports.
Deprecated block modes: the block modes that are deprecated but still supported for customers who have been using since before.

Timestamps

Chat Platform API uses region-independent timestamps to record the time of when certain actions are performed in a Sendbird application. The timestamps take the form of Unix Time, mainly in milliseconds, which is a 13-digits number (for example, 1484012373521). A few resources, especially channels, contain timestamps in the form of seconds, which are 10-digits long. The length of the timestamp is specified in the parameter description in the API guide.

Note: Unix time may be checked on most Unix systems by typing date +%s on the command line.

Page tokens

When querying a set of data, the Chat API uses page tokens to return results in small and continuous chunks. A page token is simply an encoded location within a list, and can be passed as an argument to a parameter to begin a query from that location.

Like the following, calling a List query with the parameters returns 20 or less items starting from the location encoded in token=YXYWRFBTQlArEUBXWFNeF2p2FEFdUA~~.

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?token=YXYWRFBTQlArEUBXWFNeF2p2FEFdUA~~&limit=20

A List query typically returns a next field in the response body. This field contains the next page token, which can be used to load the next chunk of results. If this field is blank, the query has reached the end of its results.

Note: If a page token is not specified, the query is started from the beginning of the data set.

Language support

Sendbird’s message auto-translation feature is powered by Google Cloud Translation API recognition engine and Microsoft Translator engine. The following tables show the languages and codes that each engine supports.

Note: It is by default that Google's Cloud Translation API recognition engine is used for message auto-translation, whereas if your Sendbird application has been created before June 26, 2019, Microsoft Translator engine is used.

`Google Cloud Translation API recognition engine's` language codes

Language	Code	Language	Code
Afrikaans	af	Latvian	lv
Albanian	sq	Lithuanian	lt
Amharic	am	Luxembourgish	lb
Arabic	ar	Macedonian	mk
Armenian	hy	Malagasy	mg
Azerbaijani	az	Malay	ms
Basque	eu	Malayalam	ml
Belarusian	be	Maltese	mt
Bengali	bn	Maori	mi
Bosnian	bs	Marathi	mr
Bulgarian	bg	Mongolian	mn
Catalan	ca	Myanmar (Burmese)	my
Cebuano	ceb (ISO-639-2)	Nepali	ne
Chinese (Simplified)	zh-CN or zh (BCP-47)	Norwegian	no
Chinese (Traditional)	zh-TW (BCP-47)	Nyanja (Chichewa)	ny
Corsican	co	Pashto	ps
Croatian	hr	Persian	fa
Czech	cs	Polish	pl
Danish	da	Portuguese (Portugal, Brazil)	pt
Dutch	nl	Punjabi	pa
English	en	Romanian	ro
Esperanto	eo	Russian	ru
Estonian	et	Samoan	sm
Finnish	fi	Scots Gaelic	gd
French	fr	Serbian	sr
Frisian	fy	Sesotho	st
Galician	gl	Shona	sn
Georgian	ka	Sindhi	sd
German	de	Sinhala (Sinhalese)	si
Greek	el	Slovak	sk
Gujarati	gu	Slovenian	sl
Haitian Creole	ht	Somali	so
Hausa	ha	Spanish	es
Hawaiian	haw (ISO-639-2)	Sundanese	su
Hebrew	he or iw	Swahili	sw
Hindi	hi	Swedish	sv
Hmong	hmn (ISO-639-2)	Tagalog (Filipino)	tl
Hungarian	hu	Tajik	tg
Icelandic	is	Tamil	ta
Igbo	ig	Telugu	te
Indonesian	id	Thai	th
Irish	ga	Turkish	tr
Italian	it	Ukrainian	uk
Japanese	ja	Urdu	ur
Javanese	jw	Uzbek	uz
Kannada	kn	Vietnamese	vi
Kazakh	kk	Welsh	cy
Khmer	km	Xhosa	xh
Korean	ko	Yiddish	yi
Kurdish	ku	Yoruba	yo
Kyrgyz	ky	Zulu	zu
Lao	lo
Latin	la

`Microsoft Translator engine's` language codes

Language	Code	Language	Code
Afrikaans	`af`	Klingon (pIqaD)	`tlh-Qaak`
Arabic	`ar`	Korean	`ko`
Bangla	`bn`	Latvian	`lv`
Bosnian (Latin)	`bs`	Lithuanian	`lt`
Bulgarian	`bg`	Malagasy	`mg`
Cantonese (Traditional)	`yeu`	Malay	`ms`
Catalan	`ca`	Maltese	`mt`
Chinese Simplified	`zh-CHS`	Norwegian	`no`
Chinese Traditional	`zh-CHT`	Persian	`fa`
Croatian	`hr`	Polish	`pl`
Czech	`cs`	Portuguese	`pt`
Danish	`da`	Querétaro Otomi	`otq`
Dutch	`nl`	Romanian	`ro`
English	`en`	Russian	`ru`
Estonian	`et`	Samoan	`sm`
Fijian	`fj`	Serbian (Cyrillic)	`sr-Cyrl`
Filipino	`fil`	Serbian (Latin)	`sr-Latn`
Finnish	`fi`	Slovak	`sk`
French	`fr`	Slovenian	`sl`
German	`de`	Spanish	`es`
Greek	`el`	Swedish	`sv`
Haitian Creole	`ht`	Tahitian	`ty`
Hebrew	`he`	Tamil	`ta`
Hindi	`hi`	Telugu	`te`
Hmong Daw	`mww`	Thai	`th`
Hungarian	`hu`	Tongan	`to`
Icelandic	`is`	Turkish	`tr`
Indonesian	`id`	Ukrainian	`uk`
Italian	`it`	Urdu	`ur`
Japanese	`ja`	Vietnamese	`vi`
Kiswahili	`sw`	Welsh	`cy`
Klingon	`tlh`	Yucatec Maya	`yua`

Deprecated block modes

The following tables describe how the deprecated block modes work. They are only supported for customers who have been using it since before.

How explicit mode works:

Group channel	Messages	Push notification	Channel list
1-on-1	New messages from the blocked user will not be delivered to the channel, and an error for sending the message returned to a user. The blocked user is aware of their blocked status. A user can only see the messages that a blocked user has sent previously before blocking. (If the blocked user is unblocked, a user can see all the messages except those that were sent during the blocking period.)	A user will not be notified that the blocked user sent a message.	A user's channel list will not be updated and rearranged from the blocked user's messages.
1-on-N (group chat)	All the messages from blocked users are delivered to the channel. You can choose whether or not a user can view which users they have blocked in the UI of the channel.	Messages sent from blocked users will be notified to a user.	A user's channel list will be updated and rearranged from a blocked user's messages.

How classic mode works:

Group channel	Messages	Push notification	Channel list
1-on-1	New messages sent from the blocked user will not be delivered to the channel, but are saved and displayed to the blocked user's channel view. A blocked user is not aware of their blocked status. A user can't see all the messages that the blocked user has sent.	A user will not be notified that the blocked user sent a message.	A user's channel list will not be updated and rearranged from the blocked user's messages.
1-on-N (group chat)	All the messages sent from blocked users are delivered to the channel. A user can't see all messages that blocked users have sent so far.	Messages sent from blocked users will not be notified to a user.	A user's channel list will not be updated and rearranged from a blocked user's messages.

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Timestamps Page tokens Language support Deprecated block modes