loginServer/payment/nexi/subscription/add?clientId=…&returnUrl=….&errorUrl=…..&transactionId=12378954. The system will redirect the customer to the proper third-party system for the change, and upon success will then redirect to the given returnUrl. If an system error occurs, the given errorUrl will be used instead.errorUrl.curl --location --request POST 'https://api.mediaconnect.no/capi/v1/api/payment/nexi/subscription' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"productCode": "CO27409"
}'{
"success": true,
"transactionId": 12378954
}