https://oa.dnc.global/OpenID-Connect-Get-an-authorization-for-the-client-application.html As part of the Authorization Code Flow, the end-user's user-agent (usually a web browser) is redirected to the Authorization Endpoint , to allow it to identify itself and grant permissions to the client application. If successful, the user-agent will be redirected to Endpoint Token with an authorization code. Authorization Endpoint) https://oa.dnc.global/authorize Request Here are some examples: PHP $data = array( 'response_type' => 'code', 'client_id' => (…) en SPIP - www.spip.net https://oa.dnc.global/local/cache-vignettes/L144xH145/arton101-60772.png?1794175836 https://oa.dnc.global/OpenID-Connect-Get-an-authorization-for-the-client-application.html 145 144