@GaG I found it now, why is so hidden? Anyway it solves only half of the problem, the rest of the buttons and interface is not zoomable.
IBM text to speech API
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Hello
I try to use text to speech api from ibm. But I have every time a error.I have try with python and that work, but not with BAS.
The documentation :

https://cloud.ibm.com/apidocs/text-to-speech#synthesizeBAS :

I have try many thing in BAS, but I don't know how to fill the form.Someone know how to do?
Thanks
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@musterman In your screenshot, you are trying to send data not as json (although you specify the data type as json)