In this case, I believe that the right request should be with createdAt (your first version) but Parse Server should convert the field name to the MongoDB version. I believe there is a bug here. Do you mind to open an issue in the repo?
In this case, I believe that the right request should be with createdAt (your first version) but Parse Server should convert the field name to the MongoDB version. I believe there is a bug here. Do you mind to open an issue in the repo?