Build custom email automations with Slack reminders
For complex workflows, send email events to Notis via webhook and automatically create Slack reminders based on conditions only you can define.
Trigger
Webhook received
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Action
Create a reminder
Creates a slack reminder with specified text and time; time accepts unix timestamps, seconds from now, or natural language (e.g., 'in 15 minutes', 'every thursday at 2pm').
Why this helps
Advanced use cases require custom email monitoring that standard automation platforms can't support, forcing founders to build integrations from scratch.
- Enable sophisticated automations beyond standard email triggers
- Connect external email systems or custom monitors to Notis
- Create reminders based on complex conditions you define
- Build scalable automation without writing code
Setup
Build it in a few focused steps.
- 1Connect Gmail and Slack to Notis.
- 2Create an automation: ask Notis 'Set up a webhook that creates reminders based on email events' or use the portal.
- 3Describe the outcome: 'Accept email events via webhook with sender, subject, and custom fields. Create Slack reminders based on those fields.'
- 4Select the trigger: Notis Webhook.
- 5Notis provides a webhook URL for your external system to call.
- 6Test by sending a sample webhook payload and verifying a Slack reminder is created.
Questions about this workflow
What email systems can I connect via webhook?
Any system that can make HTTP requests. Common examples: custom monitoring scripts, AWS Lambda, Google Sheets, Zapier, or proprietary email systems.
What data can I send in the webhook?
Tell Notis in your prompt what fields you'll send (sender, subject, priority, custom tags, etc.) and it will process them.
How do I authenticate the webhook?
Notis provides a secure URL. For sensitive workflows, you can add authentication headers in your prompt.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Gmail to Slack. A trigger fires from one place; an action lands in another.
Gmail triggers
Slack actions
Email Sent
Triggers when a Gmail message is sent by the authenticated user. It polls the 'SENT' label and emits metadata including sender, recipients, subject, timestamp, and thread ID.
Set snooze duration
Deprecated: turns on do not disturb mode for the current user, or changes its duration. use `set dnd duration` instead.
New Gmail Message Received Trigger
Triggers when a new message is received in Gmail.
Add a custom emoji to a Slack team
Deprecated: adds a custom emoji to a slack workspace given a unique name and an image url. use `add emoji` instead.
Add an emoji alias
Adds an alias for an existing custom emoji in a slack enterprise grid organization.
Add a remote file
Adds a reference to an external file (e.g., google drive, dropbox) to slack for discovery and sharing, requiring a unique `external id` and an `external url` accessible by slack.
Add a star to an item
Stars a channel, file, file comment, or a specific message in slack.
Add call participants
Registers new participants added to a slack call.
Add emoji
Adds a custom emoji to a slack workspace given a unique name and an image url; subject to workspace emoji limits.
Add reaction to message
Adds a specified emoji reaction to an existing message in a slack channel, identified by its timestamp; does not remove or retrieve reactions.
Connect any two apps with Notis in the middle.
Not just Gmail and Slack. Any combination from 985+ integrations.
When this happens · Trigger
Do this · Action
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