API Giving 411 Error in Power Automate Desktop

[Raj14]

Hi, 
i am trying to connect to a Private API Key of my Organization. it is a Login Url API.

i have also given the User Name and Password Correctly.

But i was getting the Error 411.

How to resolve this Error. 

[Agnius]

The "411 Length required" error indicates that you are missing the "Content-Length" header and the server requires it to be sent. Since your request body is empty, try adding "Content-Length: 0" (without the quotation marks) to the Custom headers field.

-------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.

I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.

[Raj14]

Hey @Agnius , i added the Content Length in The Headers.
Now it is giving me Bad Request Error - 400.

[Agnius]

Do you have a proper documentation of this API? Can you talk to the developers internally and ask what kind of a request you need to make and what headers and body are required? I would assume that for a POST request, some kind of a body is likely needed.

[Raj14]

Actually i am the first guy, who took up PAD in my organization, So there is internal help. As everybody is only Good at Uipath.

Coming to Documentations. it only consisted the Url EndPoint and the Http Verb i need to Use. There is no mention of Body or Custom Headers.

This is a Authentication Url(Or you can say login page for a internal site) which uses "UserName and Password" Credentials to Login.
For this of API, is the inputs i have given in the top enough and the format that i have given in Is it right?
Do i need to give any more inputs?

Thanks in advance @Agnius 

[Agnius]

Regardless of what the other developers are using in your organization to automate processes, if they use this API, you can ask them how they made the auth request. 

Honestly, an auth request should normally be documented properly, because otherwise we're just guessing here.

You might also want to try to experiment with disabling the 'Encode request body' toggle in the Advanced options. Depending on the endpoint, this can sometimes cause issues.

-------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.

I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.