ReferenceAPI referenceSlackComplete Slack workspace installationGET/slack/oauth/callbackQuery Parameterscode*stringstate*stringResponse Body303cURLJavaScriptGoPythonJavaC#Rustcurl -X GET "https://example.com/slack/oauth/callback?code=string&state=string"303EmptyEnable a no-auth app or create a hosted connect link for the current user POSTPrevious PageReturn Slack alert delivery settings GETNext Page