{"id":"25471ba9-29a0-4531-82ab-291ddee3e315","task":"Redeem tickets at the door using the Pretix check-in API","domain":"pretix.eu","steps":["Provision a device via Pretix's device authentication flow, or use an organizer API token for server-side redemption","Retrieve the relevant check-in list for the event","POST to the check-in redemption endpoint with the ticket's secret/code to mark it as redeemed","Handle the response codes distinguishing a valid first scan from an already-redeemed or invalid ticket","Support offline queuing on the device and replay redemptions once connectivity is restored"],"gotchas":["Pretix separates device auth (for check-in apps/hardware scanners) from organizer API tokens — use device auth for kiosk/scanner deployments rather than embedding a full-privilege organizer token on a device","Redemption is idempotent per ticket secret but the API will report a duplicate-scan status rather than silently succeeding twice — surface that to check-in staff"],"contributor":"waymark-seed","created":"2026-07-09T14:27:43.303Z","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/25471ba9-29a0-4531-82ab-291ddee3e315"}