<s>
Swagger	B-Architecture
is	O
a	O
suite	O
of	O
tools	O
for	O
API	B-General_Concept
developers	O
from	O
SmartBear	B-General_Concept
Software	I-General_Concept
and	O
a	O
former	O
specification	O
upon	O
which	O
the	O
OpenAPI	B-Architecture
Specification	I-Architecture
is	O
based	O
.	O
</s>
<s>
The	O
Swagger	B-Architecture
API	B-General_Concept
project	O
was	O
created	O
in	O
2011	O
by	O
Tony	O
Tam	O
,	O
technical	O
co-founder	O
of	O
the	O
dictionary	O
site	O
Wordnik	O
.	O
</s>
<s>
During	O
the	O
development	O
of	O
Wordnik	O
's	O
products	O
,	O
the	O
need	O
for	O
automation	O
of	O
API	B-General_Concept
documentation	O
and	O
client	O
SDK	B-Application
generation	O
became	O
a	O
major	O
source	O
of	O
frustration	O
.	O
</s>
<s>
Tam	O
designed	O
a	O
simple	O
JSON	B-General_Concept
representation	O
of	O
the	O
API	B-General_Concept
,	O
building	O
upon	O
the	O
flexibility	O
of	O
the	O
HTTP	B-Protocol
protocol	I-Protocol
and	O
using	O
many	O
features	O
of	O
tooling	O
built	O
for	O
the	O
SOAP	B-Application
protocol	O
.	O
</s>
<s>
The	O
concept	O
for	O
the	O
user	O
interface	O
was	O
proposed	O
by	O
Ayush	O
Gupta	O
,	O
who	O
suggested	O
that	O
an	O
interactive	O
user	O
interface	O
would	O
benefit	O
end	O
users	O
who	O
wished	O
to	O
"	O
try	O
out	O
"	O
and	O
develop	O
against	O
the	O
API	B-General_Concept
.	O
</s>
<s>
Ramesh	O
Pidikiti	O
led	O
implementation	O
of	O
the	O
initial	O
code	O
generator	O
and	O
designer/developer	O
Zeke	O
Sikelianos	O
coined	O
the	O
name	O
Swagger	B-Architecture
.	O
</s>
<s>
The	O
Swagger	B-Architecture
API	B-General_Concept
project	O
was	O
made	O
open	O
source	O
in	O
September	O
2011	O
.	O
</s>
<s>
Soon	O
after	O
release	O
,	O
a	O
number	O
of	O
new	O
components	O
were	O
added	O
to	O
the	O
project	O
,	O
including	O
a	O
stand-alone	O
validator	O
,	O
support	O
for	O
Node.js	B-Language
,	O
and	O
Ruby	B-Application
on	I-Application
Rails	I-Application
.	O
</s>
<s>
In	O
Swagger	B-Architecture
's	O
early	O
years	O
,	O
modest	O
traction	O
came	O
from	O
small	O
companies	O
and	O
independent	O
developers	O
.	O
</s>
<s>
HTTP	B-Protocol
APIs	B-General_Concept
typically	O
did	O
not	O
have	O
a	O
machine-readable	O
description	O
mechanism	O
,	O
and	O
Swagger	B-Architecture
provided	O
a	O
simple	O
and	O
discoverable	O
way	O
to	O
do	O
so	O
.	O
</s>
<s>
Tony	O
was	O
invited	O
to	O
a	O
meeting	O
with	O
some	O
of	O
the	O
API	B-General_Concept
industry	O
's	O
thought	O
leaders	O
including	O
John	O
Musser	O
(	O
ProgrammableWeb	B-Application
)	O
,	O
Marsh	O
Gardiner	O
(	O
Apigee	B-General_Concept
,	O
now	O
a	O
Google	B-Application
product	O
)	O
,	O
Marco	O
Palladino	O
(	O
Kong	B-Application
)	O
,	O
and	O
Kin	O
Lane	O
(	O
API	B-General_Concept
Evangelist	O
)	O
to	O
discuss	O
a	O
standardization	O
effort	O
around	O
API	B-General_Concept
descriptions	O
.	O
</s>
<s>
While	O
the	O
meeting	O
did	O
not	O
yield	O
a	O
concrete	O
plan	O
to	O
do	O
so	O
,	O
it	O
put	O
Swagger	B-Architecture
on	O
the	O
map	O
as	O
a	O
critical	O
innovation	O
in	O
the	O
API	B-General_Concept
space	O
.	O
</s>
<s>
Helped	O
by	O
the	O
use	O
of	O
the	O
Apache	O
2.0	O
open-source	O
license	O
,	O
a	O
number	O
of	O
products	O
and	O
online	O
services	O
began	O
including	O
Swagger	B-Architecture
in	O
their	O
offerings	O
,	O
which	O
accelerated	O
quickly	O
after	O
adoption	O
by	O
Apigee	B-General_Concept
,	O
Intuit	O
,	O
Microsoft	O
,	O
IBM	O
and	O
others	O
who	O
began	O
to	O
publicly	O
endorse	O
the	O
Swagger	B-Architecture
project	O
.	O
</s>
<s>
Shortly	O
after	O
Swagger	B-Architecture
was	O
created	O
,	O
alternative	O
structures	O
for	O
describing	O
HTTP	B-Protocol
APIs	B-General_Concept
were	O
introduced	O
,	O
the	O
most	O
popular	O
being	O
API	B-General_Concept
Blueprint	O
in	O
April	O
2013	O
and	O
RESTful	B-Application
API	I-Application
Modeling	I-Application
Language	I-Application
(	O
RAML	B-Application
)	O
in	O
September	O
2013	O
.	O
</s>
<s>
While	O
these	O
competing	O
products	O
had	O
stronger	O
financial	O
backing	O
than	O
Swagger	B-Architecture
,	O
they	O
initially	O
focused	O
on	O
different	O
use	O
cases	O
from	O
Swagger	B-Architecture
,	O
and	O
as	O
of	O
mid-2014	O
,	O
Swagger	B-Architecture
interest	O
was	O
growing	O
more	O
quickly	O
than	O
the	O
combination	O
of	O
the	O
two	O
others	O
[	O
source	O
:	O
Google	B-Application
Trends ]	O
.	O
</s>
<s>
In	O
November	O
2015	O
,	O
SmartBear	B-General_Concept
Software	I-General_Concept
,	O
the	O
company	O
that	O
maintained	O
Swagger	B-Architecture
,	O
announced	O
that	O
it	O
was	O
helping	O
create	O
a	O
new	O
organization	O
,	O
under	O
the	O
sponsorship	O
of	O
the	B-Operating_System
Linux	I-Operating_System
Foundation	I-Operating_System
,	O
called	O
the	O
OpenAPI	B-Architecture
Initiative	I-Architecture
.	O
</s>
<s>
A	O
variety	O
of	O
companies	O
,	O
including	O
Google	B-Application
,	O
IBM	O
,	O
and	O
Microsoft	O
are	O
founding	O
members	O
.	O
</s>
<s>
On	O
1	O
January	O
2016	O
,	O
the	O
Swagger	B-Architecture
specification	O
was	O
renamed	O
to	O
OpenAPI	B-Architecture
Specification	I-Architecture
,	O
and	O
was	O
moved	O
to	O
a	O
new	O
software	B-Application
repository	I-Application
on	O
GitHub	B-Application
.	O
</s>
<s>
While	O
the	O
specification	O
itself	O
was	O
not	O
changed	O
,	O
this	O
renaming	O
signified	O
the	O
split	O
between	O
the	O
API	B-General_Concept
description	O
format	O
and	O
the	O
open-source	O
tooling	O
.	O
</s>
<s>
As	O
of	O
July	O
2017	O
,	O
Swagger	B-Architecture
tools	O
were	O
downloaded	O
over	O
100,000	O
times	O
per	O
day	O
,	O
according	O
to	O
hosting	O
repositories	O
Sonatype	O
and	O
npm	B-Language
.	O
</s>
<s>
Swagger	B-Architecture
's	O
open-source	O
tooling	O
usage	O
can	O
be	O
broken	O
up	O
into	O
different	O
use	O
cases	O
:	O
development	O
,	O
interaction	O
with	O
APIs	B-General_Concept
,	O
and	O
documentation	O
.	O
</s>
<s>
When	O
creating	O
APIs	B-General_Concept
,	O
Swagger	B-Architecture
tooling	O
may	O
be	O
used	O
to	O
automatically	O
generate	O
an	O
Open	O
API	B-General_Concept
document	O
based	O
on	O
the	O
code	O
itself	O
.	O
</s>
<s>
This	O
embeds	O
the	O
API	B-General_Concept
description	O
in	O
the	O
source	O
code	O
of	O
a	O
project	O
and	O
is	O
informally	O
called	O
code-first	O
or	O
bottom-up	O
API	B-General_Concept
development	O
.	O
</s>
<s>
Alternatively	O
,	O
using	O
,	O
developers	O
can	O
decouple	O
the	O
source	O
code	O
from	O
the	O
Open	O
API	B-General_Concept
document	O
,	O
and	O
generate	O
client	O
and	O
server	O
code	O
directly	O
from	O
the	O
design	O
.	O
</s>
<s>
Using	O
the	O
Swagger	B-Architecture
Codegen	O
project	O
,	O
end	O
users	O
generate	O
client	O
SDKs	B-Application
directly	O
from	O
the	O
OpenAPI	O
document	O
,	O
reducing	O
the	O
need	O
for	O
human-generated	O
client	O
code	O
.	O
</s>
<s>
As	O
of	O
August	O
2017	O
,	O
the	O
Swagger	B-Architecture
Codegen	O
project	O
supported	O
over	O
50	O
different	O
languages	O
and	O
formats	O
for	O
client	O
SDK	B-Application
generation	O
.	O
</s>
<s>
When	O
described	O
by	O
an	O
OpenAPI	O
document	O
,	O
Swagger	B-Architecture
open-source	O
tooling	O
may	O
be	O
used	O
to	O
interact	O
directly	O
with	O
the	O
API	B-General_Concept
through	O
the	O
.	O
</s>
<s>
This	O
project	O
allows	O
connections	O
directly	O
to	O
live	O
APIs	B-General_Concept
through	O
an	O
interactive	O
,	O
HTML-based	O
user	O
interface	O
.	O
</s>
