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REST API not accepting credentials

afarley
1-Newbie

REST API not accepting credentials

I'm trying to read and update property values using the REST API guide. I'm using Postman to test the following query:

GET [xxxxxx]/Thingworx/Things/HouseThing/Properties


I've specified my ThingWorx login credentials under HTTP Basic Auth parameters in Postman but the API is returning 401 Unauthorized. Am I supposed to have a different set of credentials for this authentication?


***************

Updates:


I did have to create a new user (see the Users link on the left-side of the Composer window). Too bad this isn't mentioned under the REST API tutorial, or the Foundation tutorial, or the Quickstart tutorial. I couldn't see any indication from the API or the instructional documentation about the different types of ThingWorx credentials.


Now I'm having a different issue: when I run this query,

http://34.192.26.37/Thingworx/Things/HouseThing/Properties


I expect to see a list of the same properties that I see when I visit the "Properties" link under the HouseThing Composer view. In fact, I don't see *any* of the HouseThing parameters. The API response is as follows (why doesn't it show the address/temperature/light properties?):


<HTML>

    <HEAD>

        <TITLE>Property Listing For HouseThing</TITLE>

        <LINK rel='Stylesheet' href='/Thingworx/css/thingworxapi.css' type='text/css'></LINK>

        <META http-equiv='Content-Type' content='text/html'></META>

        <META http-equiv='cache-control' content='no-cache, no-store'></META>

        <META http-equiv='expires' content='-1'></META>

        <META http-equiv='pragma' content='no-cache, no-store'></META>

        <META http-equiv='refresh' content='30'></META>

    </HEAD>

    <BODY>

        <IMG SRC="/Thingworx/images/ThingworxLogo.png"/>

        <BR/>

        <H1>Property Listing For HouseThing</H1>

        <TABLE>

            <TR>

                <TH>name</TH>

                <TH>value</TH>

            </TR>

        </TABLE>

    </BODY>

</HTML>

1 ACCEPTED SOLUTION

Accepted Solutions
posipova
20-Turquoise
(To:afarley)

Do you have necessary permissions set up on the user you are running the call from?

View solution in original post

5 REPLIES 5
posipova
20-Turquoise
(To:afarley)

Do you have necessary permissions set up on the user you are running the call from?

This was the issue. I had to go to "Security->Runtime" under HouseThing and add the newly created user. Thanks!

posipova
20-Turquoise
(To:afarley)

Awesome, thanks for the update!

When putting together REST calls with ThingWorx, the API will assume that data should be returned in HTML format unless you specify a different format using the "Accept" header.  For example, you can get the result back in JSON format by adding:

     Accept: application/json

To your Postman request.  This will return the results in a JSON object.   Similar can be done for XML:

     Accept: application/xml

Your response above does list the properties on the entity, just in HTML format. 

It is a bit strange that you're not receiving any values.  Have you configured the properties as persistent and set a value?

Yep, they were configured as persistent and had a value set. The issue was user permissions. I am able to successfully get parameters in both HTML and json format now. Thanks!

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