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Are you referring to the thread, where @l0k1 says:

Followed by @xeroc's reply:

... it's not the error of the library, but an error in your code.

Yet, you said:

About the API? Well, let's start with single quotes are not valid JSON field delimiters

In other words, it wasn't the API response as you assert. And @l0k1 failed to update his post to reflect that fact.

@l0k1 and I have both encountered it and he has documented it in detail.

This is false. You have never encountered this issue in the API response.