Flenio works with everything.
Bidirectional, secure, instant.
Google Calendar and Outlook with real OAuth synchronization. Slack/Teams/Discord/Mattermost for chat notifications. Zapier app, embed cards for Loom/Figma/YouTube and more. Plus a full REST API for custom integrations — all with Swiss hosting built to GDPR standards.
Calendar
Bidirectional synchronization of your tasks with the major calendar providers.
Google Calendar
bidirectionalOAuth 2.0 + Calendar API
Tasks with due dates automatically appear in the calendar. Updates synchronized.
Microsoft 365 / Outlook
bidirectionalMicrosoft Graph + OAuth
Outlook on desktop, web and mobile. Including business accounts.
Apple Kalender
read-onlyICS-Webcal-Feed
Standard subscription URL, works with iCloud sync.
Andere ICS-fähige Kalender
read-onlyICS-Webcal-Feed
Thunderbird, Fastmail, Proton Calendar, etc.
Chat & notifications
Task events post to your team channels — never miss important activity.
Slack
outboundOAuth 2.0 + Add to Slack
One-click authorization. Channel selection directly in the Slack dialog. No manual webhook setup.
Microsoft Teams
outboundPower Automate Workflow
Modern Microsoft workflow pattern. MessageCard-formatted. Office 365 Connector fallback supported.
Discord
outboundChannel Webhook
Discord server integration with bot username.
Mattermost
outboundIncoming Webhook
Self-hosted Mattermost server.
Automation platforms
Connect to 5,000+ apps via Zapier and webhook platforms.
Zapier
bidirectionalNative App + REST-API
Trigger: new task, task completed. Action: create task. 5,000+ apps connected.
Make.com (Integromat)
bidirectionalGeneric Webhook + REST
Visual workflow building with complex conditions.
n8n
bidirectionalGeneric Webhook + REST
Open-source alternative, self-hostable.
IFTTT
outboundWebhook-Receiver
Simple If-This-Then-That workflows.
Pabbly Connect
outboundWebhook-Receiver
Lifetime-deal-friendly automation platform.
Embed cards
Rich previews for 9+ third-party providers — automatically on URL detection.
Loom
automaticoEmbed
Video preview with thumbnail and inline player option.
YouTube
automaticoEmbed
Video card with title, channel, thumbnail, player embed.
Vimeo
automaticoEmbed
Embed player for Vimeo videos.
Figma
automaticEmbed-Iframe
Show design files directly in the task description.
Miro
automaticLive-Embed
Whiteboards embedded interactively.
Google Docs
automaticURL-Detection
Card with doc title and direct link.
GitHub
automaticURL-Detection
Repo/issue/PR cards.
Linear
automaticURL-Detection
Issue cards with Linear ID.
Notion
automaticURL-Detection
Page cards with Notion branding.
Custom integrations
For everything else — full platform APIs.
REST-API
bidirectionalAPI-Keys + JSON
Full access to projects, tasks, comments, time entries. OpenAPI spec available.
Outbound-Webhooks
outboundHMAC-signiert
POST to your endpoint for 12 event types. Auto-retry with exponential backoff.
Inbound-Webhooks
inboundGeneric-Receiver
For n8n/Make/IFTTT/Pabbly or your own services.
Enterprise-grade integration security.
OAuth 2.0 + PKCE
Google + Microsoft OAuth with code challenge. No passwords stored, only refresh tokens.
HMAC signatures
Outbound webhooks are HMAC-SHA256-signed. The recipient can verify authenticity.
Automatic token refresh
Access tokens are automatically renewed 60s before expiry. No re-auth pop-ups for users.
Granular scopes
We only request the minimum necessary permissions. No read.all on your data.
All integrations are included from Pro.
No add-on fees, no premium connector tiers. From CHF 9 per month everything unlocks — with Swiss hosting and full GDPR standards.