curl --location --request POST 'https://zabbix.example.com/api_jsonrpc.php' --header 'Content-Type: application/json' \
--data-raw '{ "jsonrpc": "2.0", "method": "host.create", "params": { "host": "hostname_test1", "name": "visiblename_test1", "groups": [ { "groupid": "293" } ], "templates": [ { "templateid": "35188" } ] }, "id": 1, "auth": "apikey" }' & \
curl --location --request POST 'https://zabbix.example.com/api_jsonrpc.php' --header 'Content-Type: application/json' \
--data-raw '{ "jsonrpc": "2.0", "method": "host.create", "params": { "host": "hostname_test1", "name": "visiblename_test1", "groups": [ { "groupid": "293" } ], "templates": [ { "templateid": "35188" } ] }, "id": 1, "auth": "apikey" }'

{"jsonrpc":"2.0","result":{"hostids":["35198"]},"id":1}
{"jsonrpc":"2.0","result":{"hostids":["35199"]},"id":1}