Send WhatsApp reminders for upcoming Cal meetings
Give upcoming meetings a simple nudge by WhatsApp, using the event information available to Notis at run time.
Trigger
Recurring schedule
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Action
Send message
Send a text message to a whatsapp number. note: the message will reflect on the recipient's phone number only if they have texted first.
Why this helps
A meeting can slip through the cracks when reminders depend on remembering to open the calendar and message someone.
- Put a recurring reminder process on a Notis schedule.
- Send a concise message with the time and joining details when available.
- Reduce manual calendar checking and follow-up.
Setup
Build it in a few focused steps.
- 1Connect Cal and WhatsApp once in the Notis portal.
- 2Create an automation in Automations, New Automation, or tell Notis to create it from any channel.
- 3In one instruction, ask Notis to message the relevant attendee about upcoming meetings using Cal event data available to the automation.
- 4Pick a Notis schedule trigger and choose where run reports should go.
- 5Test with one real upcoming event and verify the schedule and message.
Questions about this workflow
Does the schedule automatically fetch Cal events?
The supplied Cal description says agents can fetch upcoming events through Cal MCP or direct API, but no Notis Cal trigger or fetch action is listed here. Ensure the required event data is available to the automation.
Can I choose how often it runs?
Choose the recurring schedule in the Notis trigger setup. Confirm the cadence and timezone during setup.
Will a normal message always be delivered?
The Send message action delivers only if the recipient has texted the WhatsApp number first. Templates may be required outside the 24-hour window.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Cal to Whatsapp. A trigger fires from one place; an action lands in another.
Cal triggers
Whatsapp actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create message template
Create a new message template for the whatsapp business account. templates must be approved by whatsapp before they can be used. templates are required for marketing messages and messages sent outside the 24-hour window.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Delete message template
Delete a message template from the whatsapp business account. this permanently removes the template and it cannot be recovered. only delete templates that are no longer needed.
Get business profile
Get the business profile information for a whatsapp business phone number. this includes business details like description, address, website, and contact info.
Get media
Get information about uploaded media including a temporary download url. the download url is valid for 5 minutes and can be used to retrieve the actual media file. this is useful for downloading media that was sent to your whatsapp number.
Get media info
Get metadata about uploaded media without generating a download url. this is useful for checking file size, type, and hash without downloading the file. use get media if you need the actual download url.
Get message templates
Get all message templates for the whatsapp business account. templates are required for sending messages outside the 24-hour window and for marketing/utility messages.
Get phone number
Get details of a specific phone number associated with a whatsapp business account.
Get phone numbers
Get all phone numbers associated with a whatsapp business account (waba).
Connect any two apps with Notis in the middle.
Cal and Whatsapp, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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