Found. Redirecting to /oauth/login?redirect_uri=%2Foauth%2Fauthorize%3Fresponse_type%3Dcode%26state%3Daxxx%26client_id%3Ddashboard%26code_challenge%3Dxxxx%26code_challenge_method%3DPLAIN%26redirect_uri%3Dhttp%253A%252F%252Fplatform.flatfile.com%252Foauth%252Fdashboard