API List:

/add /dept/<department_name> --to search the records according to the desired department.
/search/<employee_id> --to search the records according to the employee id.
/salary --to get the details sorted by salary.
/update/<employee_id> --to be updated data needs to be sent as the body with put method to update.
/delete/<employee_id> --to delete an employee.

IMPORTANT No requirement to send an employee ID while adding an employee. six-digit employee ID is created randomly.