Hi Mark, Just to inform you that the JSON you have provided is contains extra "," in the end before closing } bracket.
Also i created one match using API, can you tell me where i can see that on webpage.
i got the below response..
POST Response Code : 200
POST Response Message : OK
Updated Match ID 213707
Also i created 3 match with different ExternalMatchID but recived the same response with match ID.
POST Response Code : 200
POST Response Message : OK
Updated Match ID 213707
POST Response Code : 200
POST Response Message : OK
Updated Match ID 213707
POST Response Code : 200
POST Response Message : OK
Updated Match ID 213707