Issues with JSON Formatting for Google Translate API

[Albe1]

Hello,
I'm working on translator app and integrating the Google Translate API. I've built the following blocks:

1. I'm using a Web Component (WebTranslator) to send requests to the Google Translate API
2. The JSON body for the API requets
3. I'm using the following URL: https://translation.googleapis.com/language/translate/v2?key=
4. Header= Content-Type: application/json

Issue: I keep receiving the following error

Can somebody help me, what is the problem?

[Taifun]

Errors in your JSON

Use Do it to display your JSON string...

Use the companion app and Do it to debug your blocks, see also tip 4 here App Inventor: How to Learn | Pura Vida Apps
see also Live Development, Testing, and Debugging Tools

FAQ Section: Debugging

Introductory Testing techniques, including Do It - MIT Sample Connect -> Companion sequence - @ABG How to Read and Understand a Runtime Error Message - @ABG Common Runtime Errors - @TimAI2 Advanced Do It' to view procedure results, event arguments and local variables How to run Logcat How to use Do It in a loop Screen1.ErrorOccured message numbers SteveJG monster list of things you should not do How to show raw responseContent from your app when debugging - TimAI2 Video of copying Do…

Taifun

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Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.

[Taifun]

You also can check for valid JSON here

JSON Online Validator and Formatter - JSON Lint

Taifun

[TIMAI2]

Or build your json with dictionary blocks: