<s>
Dialogflow	B-Application
is	O
a	O
natural	B-General_Concept
language	I-General_Concept
understanding	I-General_Concept
platform	O
used	O
to	O
design	O
and	O
integrate	O
a	O
conversational	B-General_Concept
user	I-General_Concept
interface	I-General_Concept
into	O
mobile	O
apps	O
,	O
web	O
applications	O
,	O
devices	O
,	O
bots	B-Protocol
,	O
interactive	O
voice	O
response	O
systems	O
and	O
related	O
uses	O
.	O
</s>
<s>
In	O
May	O
2012	O
,	O
Speaktoit	B-Application
received	O
a	O
venture	O
round	O
(	O
funding	O
terms	O
undisclosed	O
)	O
from	O
Intel	O
Capital	O
.	O
</s>
<s>
In	O
July	O
2014	O
,	O
Speaktoit	B-Application
closed	O
their	O
Series	O
B	O
funding	O
led	O
by	O
Motorola	O
Solutions	O
Venture	O
Capital	O
with	O
participation	O
from	O
new	O
investor	O
Plug	O
and	O
Play	O
Ventures	O
and	O
existing	O
backers	O
Intel	O
Capital	O
and	O
Alpine	O
Technology	O
Fund	O
.	O
</s>
<s>
In	O
September	O
2014	O
,	O
Speaktoit	B-Application
released	O
api.ai	B-Application
(	O
the	O
voice-enabling	O
engine	O
that	O
powers	O
Assistant	B-Application
)	O
to	O
third-party	O
developers	O
,	O
allowing	O
the	O
addition	O
of	O
voice	B-Application
interfaces	I-Application
to	O
apps	O
based	O
on	O
Android	B-Application
,	O
iOS	B-Application
,	O
HTML5	B-Application
,	O
and	O
Cordova	B-Protocol
.	O
</s>
<s>
The	O
SDK	O
's	O
contain	O
voice	O
recognition	O
,	O
natural	B-General_Concept
language	I-General_Concept
understanding	I-General_Concept
,	O
and	O
text-to-speech	O
.	O
</s>
<s>
api.ai	B-Application
offers	O
a	O
web	O
interface	O
to	O
build	O
and	O
test	O
conversation	O
scenarios	O
.	O
</s>
<s>
The	O
platform	O
is	O
based	O
on	O
the	O
natural	O
language	O
processing	O
engine	O
built	O
by	O
Speaktoit	B-Application
for	O
its	O
Assistant	B-Application
application	O
.	O
</s>
<s>
Api.ai	B-Application
allows	O
Internet	B-Operating_System
of	I-Operating_System
Things	I-Operating_System
developers	O
to	O
include	O
natural	O
language	O
voice	B-Application
interfaces	I-Application
in	O
their	O
products	O
.	O
</s>
<s>
Assistant	B-Application
and	O
Speaktoit	B-Application
's	O
websites	O
now	O
redirect	O
to	O
ai	O
's	O
,	O
which	O
redirects	O
to	O
the	O
Dialogflow	B-Application
.	O
</s>
<s>
Google	B-Application
bought	O
the	O
company	O
in	O
September	O
2016	O
and	O
was	O
initially	O
known	O
as	O
API.AI	B-Application
;	O
it	O
provides	O
tools	O
to	O
developers	O
building	O
apps	O
(	O
"	O
Actions	B-General_Concept
"	O
)	O
for	O
the	B-Application
Google	I-Application
Assistant	B-Application
virtual	B-Protocol
assistant	I-Protocol
.	O
</s>
<s>
The	O
organization	O
discontinued	O
the	O
Assistant	B-Application
app	O
on	O
December	O
15	O
,	O
2016	O
.	O
</s>
<s>
In	O
October	O
2017	O
,	O
it	O
was	O
renamed	O
as	O
Dialogflow	B-Application
.	O
</s>
<s>
In	O
November	O
2017	O
,	O
Dialogflow	B-Application
became	O
part	O
of	O
Google	B-Application
Cloud	O
Platform	O
.	O
</s>
