Copy PageSlack OAuth redirect targetget https://integrate.nayya.com/partner-relay/slack/oauth/callbackQuery ParamscodestringOne-time authorization code issued by SlackstatestringSigned value we issued when the install startederrorstringPresent when the admin declined the installHeadersX-API-VersionstringDefaults to 1Optional API major version. Omit this header for the same behavior as 1 (this specification).Response 200HTML install result pageUpdated about 5 hours ago Begin a Slack app installSlack Events API callbackDid this page help you?YesNo