Connecting chatbase API with API connector in Bubble

I built a bot in Chatbase and now I am trying to integrate it into Bubble via the API Connector plugin.
I am following this format from Chatbase: Message a Chatbot
I get this error:


My API call set up looks like:

Has anyone tried this before? / Could suggest how to overcome this error? Thanks!

1 Like

Try changing data type to text, although this is strange because docs say JSON