Accepts an array of up to 100 user objects. For each user, the user is created if it does not already exist, or the existing user is updated. **Note**: To protect the data in your Zendesk account, bulk user imports are not enabled by default in Zendesk accounts. The account owner must contact [Zendesk Customer Support](https://support.zendesk.com/hc/en-us/articles/4408843597850) to enable the imports. A 403 Forbidden error is returned if data imports are not enabled. Each individual user object can identify an existing user by `email` or by `external_id`. This endpoint returns a `job_status` [JSON object](/api-reference/ticketing/ticket-management/job_statuses/#json-format) and queues a background job to do the work. Use the [Show Job Status](/api-reference/ticketing/ticket-management/job_statuses/#show-job-status) endpoint to check for the job's completion. Only a certain number of jobs can be queued or