get:
  tags:
    - Contact
  operationId: contactSearch
  description: Search the contacts using a search key, currently supports email search
  summary: Search Contacts
  parameters:
    - name: q
      in: query
      type: string
  responses:
    200:
      description: Success
      schema:
        type: object
        properties:
          payload:
            $ref: '#/definitions/contact_list'
    401:
      description: Authentication error
      schema:
        $ref: '#/definitions/bad_request_error'