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use HTTP connector for x-www-form-urlencoded body (for Twittier API)

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Posted on by scales23456

I’m trying to use the twitter media API to upload an image and i’m struggling to understand how to structure the body of the HTTP connector into x-www-form-urlencoded body type. I've been trying to replicate the same using the Postman 'raw' body type and can't get it to work there either, but i can get it to work through the x-www-form-urlencoded body within Postman

If i create a variable ‘media=iVBORw0KGgoAAAANSUhEUgAAAAgAAAAIAQMAAAD+wSzIAAAABlBMVEX///+/v7+jQ3Y5AAAADklEQVQI12P4AIX8EAgALgAD/aNpbtEAAAAASUVORK5CYII’ I can generate a 200 response using the x-www-form-urlencoded body

When i put the same body in Raw with a forced x-www-form-urlencoded header I get a 401 Unauthorized (which i think is just a poor error message bubbling up giving my Auth headers aren’t changing. The same thing happens in my PowerAutomate flow.

I presumed this was to do with URLEncoding, so i encoded the value to the below, but this doesn't work in either PowerAutomate or the HTTP connector. Whats more confusing, is the encoded value stops the x-www-form-urlencoded tab working within Postman too.

Does anyone know how to structure the HTTP conector body, so it will simulate the same behaviour I get when using the x-www-form-urlencoded tab?

Encoded
iVBORw0KGgoAAAANSUhEUgAAAAgAAAAIAQMAAAD%2BwSzIAAAABlBMVEX%2F%2F%2F%2B%2Fv7%2BjQ3Y5AAAADklEQVQI12P4AIX8EAgALgAD%2FaNpbtEAAAAASUVORK5CYII
Request:
POST https://upload.twitter.com/1.1/media/upload.json?
Documentation:
POST media/upload | Docs | Twitter Developer Platform

Categories:

Building flows

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scales23456 9 on at

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HTTP Connector for reference. I've tried every combination i can think of it the body

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v-yueyun-msft on at

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Hi , @scales23456

Can you try to delete the "" in your body if it can help?

media_data=iVBORw.........II

Best Regards,

Yueyun Zhang

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scales23456 9 on at

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No, unfortunately not. I've tried all combinations i could think of but they didn't work either.

"key":"value"
"key":value
key:value
key:"value"
"key"="value"
"key"=value
key=value
key="value"

To date, the only place i can get it working is in the build in postman x-www-form-urlencoded body tab. Which confirms the API is working ultimately, but i presume there is some different formatting within there that i don't know.

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Jakeapril 33 on at

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scales23456's response worked for me! Had to change my Content-Type to application/x-www-form-urlencoded and in my body, have "'Key'='Value'". Thank you!

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