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CRM Calendar for HR Using Slack

Plan a whole year of company comms on one calendar.

Top brands trust Pyn

Pyn gives people teams one calendar to plan and automate the whole year of company communications, from holidays and observances to key campaigns. Pre-built campaigns load ready-to-edit templates, so a year of thoughtful messaging is mapped out in minutes rather than pieced together ad hoc.

Because Pyn connects to Slack, every message arrives where your people already work, from a real person rather than a bot. From there every message is personalized by role, team, and location, delivered where people already work — and nothing slips.

The payoff is confidence and consistency. Everything is scheduled to go out on time from the right sender to the right people, so nothing is forgotten and the team stops scrambling message by message.

Features Spotlight

Communications planning done right

Communications planning done right

  • Plan campaigns on your annual calendar
  • Zoom in or out and drag and drop communications
  • Templates for different countries and topics
Ensure people engage with your communications

Ensure people engage with your communications

  • Target specific groups of employees
  • Add reminders
  • Send to #channels
Personalize who the message is sent from

Personalize who the message is sent from

  • Send Slack or Teams messages as DM from person
  • Vary sender dependent on recipient's demographic
  • Add custom Email domains
Beautiful, interactive, communications

Beautiful, interactive, communications

  • Embed videos, images and gifs
  • Polls and forms
  • Format style to be brand aligned

Messages people will actually read

Most HR communications get ignored. Not because people don’t care. Because they feel like broadcasts - generic senders, off-platform portals, messages that arrive too late or too early.

Pyn delivers through Slack, from a real person, at exactly the right moment. Employees read it and reply because it looks like a message from their manager. They never know it was automated.

Choose who the message comes from

This is where Pyn is different. Most tools send from a bot and call it done. Pyn gives you multiple ways to send, and each one changes how the message lands.

From you, personally. Connect your Slack account and Pyn sends as you: your name, your photo. The employee sees a DM from their manager or HR partner, not from a bot. If they reply, it comes back to you in Slack. This is the option that makes onboarding feel personal from day one.

From a team persona. Set up a service sender like “People Ops,” “L&D Team,” or “Your HR Team” and messages come from a consistent, branded voice rather than one person. Great for policies, learning nudges, and moments that shouldn’t be attributed to any individual. Available on all paid plans.

From PynBot. For channel announcements, birthday shoutouts, and moments where the broadcast format fits. PynBot can be renamed to match your company. Most employees never know it’s Pyn.

DMs and channels

Pyn can send to public Slack channels as well as individual DMs. Use it for team welcome announcements when someone new joins, manager check-in prompts posted to a shared channel, or company-wide moments like work anniversaries and milestone celebrations.

The right message finds the right place.

Built for moments that actually need a response

Some HR communications need to be acknowledged, not just read. Pyn handles that too.

Add a button to any Slack message (“Confirm,” “I’ve read this,” “Accept”) and Pyn tracks who’s clicked. If someone hasn’t responded after a set number of days, Pyn sends an automatic reminder. Same message, “Reminder” heading, same timing of day.

You can see response rates across your whole team from inside Pyn. Useful for onboarding tasks, policy acknowledgements, and anything where you need to know it landed.

How to connect

Does my IT team need to approve Pyn in Slack?

Yes. A Slack Workspace Administrator needs to approve the Pyn app before the integration is active. Once approved, Pyn admins complete the setup inside Pyn. No ongoing IT involvement needed.

What permissions does Pyn need in Slack?

Pyn can send DMs, send to channels it’s been added to, and read the employee directory to match Slack users to Pyn records. It cannot read channel messages or join channels on its own. Full permissions detail available here.

FAQs

Can employees reply to Pyn messages?

Yes, if you’re using a personal or service account sender. Replies come directly back to that Slack account.

Does Pyn read our Slack messages?

No. Pyn can only send. It has no ability to read channel messages or private conversations. It only reads the employee directory to match users by email.

Can I send to Slack channels, not just DMs?

Yes. Pyn can deliver to any public channel that PynBot or your sender account has been added to.

Does Pyn work for onboarding or the full lifecycle?

Both. Pyn covers the full employee lifecycle: pre-boarding through offboarding. Slack is just one of the delivery channels. You can mix Slack, email, and Teams in the same journey.

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