Check existing Bannerbear images from Slack
Find out what has already been generated before adding another creative task to your queue.
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
List Images
Lists all images inside a bannerbear project. this endpoint allows you to retrieve a paginated list of all images that have been created in your project.
Why this helps
A request can trigger a new task before anyone checks whether a suitable image already exists.
- Makes existing image assets easier to review in the flow of a request.
- Reduces time spent switching between Slack and Bannerbear.
- Gives the team a clearer starting point for deciding what to create next.
Setup
Build it in a few focused steps.
- 1Connect Slack and Bannerbear to Notis once in the portal.
- 2Ask Notis to create an automation in plain language, or open Automations and choose New Automation.
- 3In one instruction, ask Notis to retrieve the Bannerbear image list when a channel message requests an asset inventory.
- 4Choose the Slack Channel Message Received trigger, select a channel for run reports, then test with a real inventory request.
Questions about this workflow
Does this create or edit an image?
No. It retrieves the list of images already in the Bannerbear project for review.
Will it run for a direct message?
No. This workflow uses the Slack channel message trigger, which does not match direct messages.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Bannerbear. A trigger fires from one place; an action lands in another.
Slack triggers
Bannerbear actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Get Account Info
This tool allows you to check your bannerbear account status, including quota levels and current usage. the endpoint returns information about your account status, paid plan, api usage, and quota.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Get Available Fonts
This tool retrieves a list of all available fonts in bannerbear. the fonts are categorized into serif, sans serif, novelty, international, and custom, and can be used to verify font availability prior to creating or modifying images.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get Signed Bases
This tool retrieves a list of signed bases for a specific template. signed bases are used to generate on-demand images using encrypted url parameters. the endpoint returns a list of base urls that can be used with the signed url feature.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Get Template Set Details
This tool retrieves detailed information about a specific template set using its unique identifier (uid). template sets are sets of templates that you group together in the bannerbear dashboard. it provides comprehensive details about the template set including its name, available modifications, and the list of templates inside the set.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Join PDFs
This tool allows users to merge multiple pdf files into a single pdf document by accepting an array of pdf urls, sending a post request to the bannerbear api, and returning the unique identifier, status, and url of the merged pdf.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
List Images
Lists all images inside a bannerbear project. this endpoint allows you to retrieve a paginated list of all images that have been created in your project.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
List Templates
This action retrieves a list of all templates available in your bannerbear project. it returns an array of template objects including properties like uid, name, dimensions, creation and update timestamps, template type, preview url, and modifications. the tool is used for listing templates, retrieving template uids for subsequent actions such as image or video creation, and managing project templates.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
List Videos
This action retrieves a list of all videos created in your bannerbear account. it returns an array of video objects including properties like uid, status, timestamps, video and preview urls, as well as template and modification details. the tool is used for listing videos, monitoring video status, and managing project videos.
Connect any two apps with Notis in the middle.
Slack and Bannerbear, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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