def get_headers(headers, access_token):
    """
    Updates the headers with the Survey Monkey API access token

    :param headers: HTTP headers (from request) (dict)
    :param access_token: Survey Monkey access token (string)
    :return: (dict)
    """

    updated_headers = dict(headers)
    updated_headers.update({
        "Authorization": "Bearer {0}".format(access_token),
        "Content-Type": "application/json"
    })
    return updated_headers