Getting error status 400 - This media type text/html is not supported import Api

[DPevzner]

Hello, 

Im using the Import API for creating a contact record in hubspot. 

I've created a custom property which I expect to populate it with an Html code (in String).  I configured the type of this property to "Signle line text" and "Multi-line-text", but none of them worked for me. I'm recieiving the following response: 

 status 400, bad request, 'This media type text/html is not supported' .

How can I overcome this issue? Thanks in advance.

update: inserted the code i'm using

[Teun]

Hi @DPevzner ,

You can currently add a 'richtext' property that allows HTML. Did you try that property yet?

Does your code work if you leave out the HTML?

[DPevzner]

Hi,

The html code was inserted after changing the property type to "rich text" but I needed to do escaping to the html before importing it, without it, it would still throw the same error as above.  Is there a way to import it without escaping the html?

[LeeBartelme]

Can you add the code you are using?

[DPevzner]

Updated the post.