Flutter Web Pick Image and Upload to Server | Flutter Web Upload Image to REST API + Source Code

Hello KDTechs!
Congratulations for the tutorial, it is very useful for me!!
Would you be able to show what the API side would be like, please!

Bolo to

Thanks a lot!

how to get the json data from the Streamedresponse

please the right link of source code ,and thank you

where is the API file or tutorial?