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#REST API

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Representational state transfer (REST) is a software architectural style that defines a set of constraints to be used for creating Web services. Web services that conform to the REST architectural style, called RESTful Web services (RWS), provide interoperability between computer systems on the Internet. RESTful Web services allow the requesting systems to access and manipulate textual representations of Web resources by using a uniform and predefined set of stateless operations. Other kinds of Web services, such as SOAP Web services, expose their own arbitrary sets of operations.

Learn More.

Question
· Feb 20, 2018
REST Data Limit

I'm experimenting with sending large amounts of data in a POST payload to be stored as a stream. However I've noticed that no matter how many characters are in the message, Cache only gets about 32k of them, cutting off the rest. Conversely as expected it can only send about 32k worth of characters in a payload.

Before I get creative, is there a REST message size limit that can be changed? Or is there something else going on here?

Thank you!

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Hi Developers,

New Coding Talk, recorded by @Evgeny Shvarov, is available on InterSystems Developers YouTube:

🎯 Creating REST API with InterSystems IRIS, ObjectScript and Docker

https://www.youtube.com/embed/5_R7dLKLbS8
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I am trying to use postman to start the restapi classes from a json openapi2.0.0 file.

POST: https://myserver.com/api/mgmnt/v2/requestAPI. The body contains the openapi2.0.0. The application api/mgmnt has in security settings: password. JWT is not selected. I set postman authentication to basis authentication and gave username and password. I also set in headers IRISUsername and IRISPassword. I have 401 Unauthorized.

Is the only way to go through is to build an oauth token? or do I miss something?

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Some time ago, I was started to work at a new company even in other country, and more important in a different sphere when I have not been worked before, in HealthCare. It's a very new project even for company. Since I have not experience in HealthCare, I looked at what I can use in my project, and found that I should not reinvent the bicycle, and think about how to store all my data which I need and how to get access to this data. And I can use FHIR, which is looks like everything what I need, what else I need it's just a client.

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Question
· Nov 7, 2016
Binary Support in JSON?

I'm working on a REST service which will include a binary stream as a request property. I'm currently encoding the stream as BASE64 and passing it as a string value, but I was wondering if there is anything in the Caché JSON support that may be a better fit for encoding this data? Thanks Chris

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Hi all,

I've a RESP API service in a Business Service to server different methods

I've created the route with the name of the method, each one has been created in lowercase 

XData UrlMap [ XMLNamespace = "http://www.intersystems.com/urlmap" ]
{
<Routes>
    <Route Url="/user" Method="POST" Call="User"/>
    <Route Url="/emailactivation" Method="POST" Call="EmailActivation" />
    <Route Url="/login" Method="POST" Call="Login"/>
</Routes>
}

But only there is a response if the call is used in lowercase

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Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

⏯ Rapidly Create and Deploy Secure REST Services on InterSystems IRIS @ Global Summit 2024

https://www.youtube.com/embed/YofM-dHoK8s
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Hi Community!

New video "Treating Patients with REST and iKnow" is available now on DC YouTube Channel:

https://www.youtube.com/embed/HDTij5GS_qQ
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Question
· Feb 20, 2019
Extend XData UrlMap

Hi all,

I'm wondering if is possible to extend the UrlMap.

I want to create a base class and one method will be in all extended classes, so I've tried to create the map route in parent class, and the specific methods in extended class. But it doesn't work.

I've create the method in parent class and I've wrote the map in extended class. It works, but I want to put it in base class to prevent forget this call.

Note: The base class extend to %CSP.RES

Best regards,

Francisco Lopez

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Hello fellow community members,

I would like to offer my services as an Intersystems Professional and am available to work on projects.

I have more than a decade experience into Intersystems stack of technologies including IRIS, Ensemble, Healthshare, Healthconnect, Cache Objectscript, Mumps, Zen, Analytics etc. with companies spread over US and UK involved in multiple domains.

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Hi everyone,

This is:

Cache for UNIX (Red Hat Enterprise Linux for x86-64) 2016.2 (Build 736U) Fri Sep 30 2016 12:25:56 EDT

The server is on RedHat Linux while the browser is running on Windows (Firefox).

I am helping a partner build a complex modern HTML5 web application that talks with Caché using REST calls. They have been using %CSP.REST very successfully. Security works great as well.

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Hi Community!

Check a new session recording from Global Summit 2017:

Angular, JSON, and REST – Oh My!

https://www.youtube.com/embed/NWWSGs5NDGI
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Hi, Community!

Please find a new session recording from Global Summit 2017:

Catching Bad Guys with iFind and REST

https://www.youtube.com/embed/U94Rtsb3oZw
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Announcement
· Aug 14, 2020
New Video: REST at Ease

Hi Developers,

The new video from Global Summit 2019 is available on InterSystems Developers YouTube:

⏯ REST at Ease

https://www.youtube.com/embed/Iuf-MlcrG-E
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Hey Community,

Exciting results from a massive workload to test InterSystems API. We'll describe how we're trying to push the boundaries of the current technology in the public cloud:

⏯ Running Large-Scale Rest API in the Cloud

https://www.youtube.com/embed/_oJD2XsDrfY
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Article
· Feb 5, 2023 2m read
COS Url Shortener

Hi Community!

I want to share with you mi first Open Exchange application.

It's a tool to made our developments easier. It's a micro service in a IRIS docker that help us in our new features giving us a way to add short links in our SMS, Email campaigns and for links of the different stores for our apps.

It's very easy to use it.

Simply clone this repo:

https://github.com/daniel-aguilar-garcia/cos-url-shortener.git

Open Exchange app
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It is clear how to get the request header value with a specific name:

Class My.RestController Extends %CSP.REST
{

ClassMethod processRequest() As %Status
{
    #dim request as %CSP.Request 
    set request = %request
    set h = ##class(%REST.Impl).%GetHeader("...")
    ...    
    return $$$OK
}

But I can't figure out how to enumerate ALL the request headers (and also get all values).

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Hi all (and specifically Eduard L. ;)

The Ensemble Workflow REST API provided here:

https://github.com/intersystems-ru/EnsembleWorkflow

(and mentioned before in this Community, also as the basis of the Angular UI, also available in the same Git)

Has some very basic documentation as to how to work with the API (which also seems to be possibly a little out-dated as I think the /login URL is deprecated, for example).

Is there somewhere a more comprehensive documentation of this API?

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Hi,

I am working with this Ensemble Business Operation, which extends the EnsLib.Rest.Operation.

http://docs.intersystems.com/latest/csp/docbook/DocBook.UI.Page.cls?KEY=...

I built the OpenWeatherMap Rest Operation described in the article above.

I would like to access the weather.id weather.main, and weather.description. However, these objects are in a JSON Array.

How do you access these three objects in Objectscript.

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Does developing a RESTful API in Caché remove the requirement to use the InterSystems.Data.CacheClient.dll and generate proxy classes using the Caché Object Binding Wizard for .NET web development? If anyone has links to sample applications using .NET with Caché and REST Services, I would be grateful if you could share them.

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