# Create an instance Creates a new instance. Each customer account may have one or more instances, and each instance serves exactly one customer account. This method is intended for use if you do not use FlexNet Operations as your back office, so that you can configure your upstream system (e.g. a CRM) to create instances for your accounts. Endpoint: POST /v1.0/instances Version: 1.0 Security: AdministrationAccess ## Request fields (application/json): - `shortName` (string, required) User-defined name of the instance. - `accountId` (string, required) ID of the customer account owning the instance. ## Response 200 fields (application/json): - `id` (string) The ID of the instance. - `shortName` (string, required) User-defined name of the instance. - `accountId` (string, required) ID of the customer account owning the instance. - `defaultInstance` (boolean) Indicates whether this is the default instance for an account. If set to true, auto-provisioned line items will be mapped to this instance. - `created` (integer) The date and time the instance was created in milliseconds since 1970-01-01 00:00. - `modified` (integer) The date and time the instance was last modified in milliseconds since 1970-01-01 00:00.