When you submit data to an API, the character encoding is crucial to ensure that the data is processed properly, especially if you're working with UTF characters. Consider the following HTTP request: POST http://api.ecs.eu/feedback Content-Type: application/json { "id": {{$randomInt 9 1000000}}, "feedback": "🫠", "date": "{{$datetime iso8601}}" } Notice, that the content-type is set to application/json without a specific encoding, and the feedback property contains an emoji. Most likely, th...