GET
/ext/{siteid}/api/v1/payments/transactions
curl \
--request GET 'http://api.example.com/ext/{siteid}/api/v1/payments/transactions' \
--header "Authentication-Token: $API_KEY"
curl \
--request GET 'http://api.example.com/ext/{siteid}/api/v1/payments/transactions' \
--header "Authentication-Token: $API_KEY"