Get blog images into publishing shape automatically
A blog image shared for review can move toward a consistent publishing rendition without a manual resizing detour.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
IMGIX_FIT
Tool to control how an image fits target dimensions after resizing. Use when specifying width, height, and fit behavior.
Why this helps
Blog publishing gets slowed down when each image needs a separate sizing pass.
- Reduce repeated resizing before publishing.
- Create a more consistent image handoff for blog content.
- Keep editorial follow-up in the same place as the review.
Setup
Build it in a few focused steps.
- 1Connect Slack and Imgix to Notis once in the portal.
- 2Ask Notis to create the automation or open Automations and select New Automation.
- 3Describe the blog image context and desired Imgix fit and dimensions in one instruction.
- 4Select the Slack channel-message trigger, choose a run-report destination, and test using one reviewed blog image.
Questions about this workflow
Can sizing differ by blog channel or content type?
Create a prompt that describes the intended context and desired rendition, then select the relevant Slack message trigger.
Does Notis need a field map for the image URL?
No. State the outcome in plain language and Notis interprets the task.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Imgix. A trigger fires from one place; an action lands in another.
Slack triggers
Imgix actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Imgix Auto Optimization
Tool to apply automatic best-effort image optimizations. Use when you need to compress, enhance, format, or remove redeye via Imgix's auto parameter.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Blend Overlay
Tool to overlay an image, text, or color onto a base image using imgix blending parameters. Use after specifying the base image URL and blend parameters to composite layers.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Imgix Blend Align
Tool to align the overlay relative to the base image when blending. Use after constructing a base Imgix URL to specify horizontal and vertical alignment (e.g., 'left,top').
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Blend Color Over Image
Tool to blend a solid color over an image using CSS keyword or hex. Use when you need to apply color overlay transformations to an existing image URL.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Imgix Blend X Position
Tool to position the overlay horizontally on an Imgix-rendered image. Use when you need to offset the blend layer by a specified number of pixels from the left edge.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Draw Image Border
Tool to draw a border around an image. Use when you need to overlay a border without resizing.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Adjust Image Brightness
Tool to adjust image brightness. Use when you need to modify an image's brightness level (−100 to 100) by supplying your source domain and asset path.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
IMGIX_CH
Tool to opt in to Client Hints. Use when you want Imgix URLs to adapt based on browser headers (Width, DPR, Save-Data).
Connect any two apps with Notis in the middle.
Slack and Imgix, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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