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Power Automate Desktop - Web service invoke

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Posted on by itssujeeth

Trying to invoke a REST web api that requires couple of custom header values. Couldn't find any documentation on how to provide custom headers - key value pair in the action details. Can someone help me with this?

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Power Automate Desktop

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CFernandes 8,402 Most Valuable Professional on at

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Hey Mate,

@itssujeeth

You just have the pass the Key:value

If this reply has answered your question or solved your issue, please mark this question as answered. Answered questions helps users in the future who may have the same issue or question quickly find a resolution via search. If you liked my response, please consider giving it a thumbs up. THANKS!

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itssujeeth 59 on at

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@CFernandes - It works perfectly fine for one header. When we require multiple headers - space separation fails, comma separation fails, semicolumn separation fails.

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PetrosF-MSFT on at

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Hi @itssujeeth

You could try adding the headers into a list variable, and then pass that variable in the Custom Headers parameter.
The actions "Create new list" & "Add item to list" could be used.

Let me know if that helps!

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itssujeeth 59 on at

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@PetrosF-MSFT - It didn't work. Images attached

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itssujeeth 59 on at

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@PetrosF-MSFT - I was able to fix the above mentioned "parameter name: name" issue by removing the space between <key_name> and ":".

This issue is resolved, and using List is the correct solution. Thank you.

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Sigridk1 4 on at

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I had the same issue and figured out you did use a list. I did the same and had to find the right combo of advanced settings to get it to work. It shouldn't be this hard... Oh well - thanks for the post - it helped me. Wish they would include something like this in the doc!
S-

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LogicSmith 225 on at

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I had this same issue, fix turned out to be something different. I did not need a list.
Regular text, line feed between entries. What helped was no spaces around the colon.
What also helped was using colon instead of equals, which was what the developers told me to use.

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Muzaffar1 2 on at

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Hello, I have to post json file into s3 bucket what are the custom headers and body parameters could you help me?

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Sigridk1 4 on at

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HI @Muzaffar1
The header parameters will depend on your REST API call requirements.
In my case, I needed a client id and secret. If more than one header parameter, which was my case, create a list, add the header parameters to the list and then have the REST API call point to it.

The body is easy - just copy and paste the body - swap out values with variables, as needed.

In my case, I also had to tweak advanced parameters - but yours may be different. Mine are
As you can see in this post, some users have other ideas on how it might work, but this works for me.

HTH,
Sigrid

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gauravsolanke 52 on at

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still I am facing issue like you could you please tell me whats wrong here ?

1.234.png

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