YouTube Data API JSON parsing problem, not a well-formed list

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#1

I’m having a tough time parsing the YouTube API JSON using the lookup pairs blocks, which I have successfully done before for other APIs.

So basically, I need to get the url value of the YouTube video thumbnail and assign it to a button as background image.

The JSON response is as follows

24-04-2020 19-36-22
24-04-2020 19-36-221366×768 74.7 KB

As you can see the path to the value is item > 0 > snippet > thumbnails > medium > url

So, I have used the following pattern

24-04-2020 19-37-31
24-04-2020 19-37-311366×768 157 KB

But however, it shows this error

1
11080×2160 572 KB
2
21080×2160 574 KB

The error is like lookup in pairs : the list {whole JSON response} is not a well formed list of pairs

Can anybody please help me on this?..

#2

store the response content in a global variable and then use Do it to debug your blocks
see also tip 4 here App Inventor: How to Learn | Pura Vida Apps

Taifun

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#3