What is the correct way of sending json with a key having an empty numeric value?

Should it be 1 or 2? GameId key is numeric. Number two gives an error in postman: unexpected ,

{"OperatorId":4563,"Session":"","GameId":"","RoundId":90587990,"Logins":["person"]}

{"OperatorId":4563,"Session":"","GameId":,"RoundId":90587990,"Logins":["person"]}

Level 104

You could use null in place of an empty string, if you prefer

Level 2

Alright thanks, can it work without null or empty string? Like this GameId:, ?

Level 104

It?

The JSON is invalid, so I expect any JSON parsing functionality will complain

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