curl --location -g --request POST 'api/v1/user/{{user-key}}/open-challenges/complete' \
--header 'x-api-key: {{api-key}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"openChallengeId": "{{$string.uuid}}",
"externalReferenceId": "{{$string.uuid}}",
"metadata": "{\"source\":\"dashboard\",\"version\":1}"
}'{
"userOpenChallengeId": "446e89f7-c1cd-4d92-9e0f-3c745cc0b906",
"userKey": "1765132434113",
"openChallengeId": "e27bb2e6-a3e0-4c56-b076-497958a2d0bc",
"rewardsPublished": 0,
"completionCount": 1,
"completedAt": "2025-12-26T21:11:45.1004338Z",
"externalReferenceId": "d1a1f484-6656-46f8-b604-af7b25536254"
}