Why are you giving (tenant_id)
in URL. According to this you can create endpoints by simply passing the required parameters to the keystone endpoint-create command.
Mentioning the price of command here from the above link
keystone endpoint-create \
--service-id $(keystone service-list | awk '/ identity / {print $2}') \
--publicurl http://controller:5000/v2.0 \
--internalurl http://controller:5000/v2.0 \
--adminurl http://controller:35357/v2.0 \
--region regionOne
The following being its output
+-------------+----------------------------------+
| Property | Value |
+-------------+----------------------------------+
| adminurl | http://controller:35357/v2.0 |
| id | 11f9c625a3b94a3f8e66bf4e5de2679f |
| internalurl | http://controller:5000/v2.0 |
| publicurl | http://controller:5000/v2.0 |
| region | regionOne |
| service_id | 15c11a23667e427e91bc31335b45f4bd |
+-------------+----------------------------------+