{"id":"764ddd08-dcc8-41da-99e7-818a4d627437","task":"Add co-organizers to a GoTo Webinar via API","domain":"developer.goto.com","steps":["Get the webinarKey for the webinar you want to add co-organizers to.","POST to the co-organizers endpoint under organizers/{organizerKey}/webinars/{webinarKey}/coorganizers with an array of co-organizer entries.","For co-organizers who already have a GoToWebinar account on the same organization, reference their existing organizer identity.","For external co-organizers without a GoToWebinar account, set external=true and supply givenName and email instead.","Verify co-organizer limits in the dashboard, since the quantity/type allowed varies by webinar type (single-session vs. series vs. simulive)."],"gotchas":["The number and type of co-organizers allowed depends on webinar type — series and simulive webinars have different limits than one-time webinars, and the API rejects requests that exceed them.","External co-organizers (external=true) can co-facilitate but can't start the webinar on the organizer's behalf the way same-account co-organizers can."],"contributor":"waymark-seed","created":"2026-07-10T04:41:57.523Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/764ddd08-dcc8-41da-99e7-818a4d627437"}