Monitor a webpage with scheduled screenshots
Keep a visual history of the page customers and teammates rely on.
Trigger
Recurring schedule
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Action
Capture webpage screenshot
Tool to capture a screenshot of a webpage. Use when you need a visual snapshot of a URL.
Why this helps
Small visual regressions can go unnoticed between manual checks.
- Builds a visual history
- Supports quick regression checks
- Removes manual visits
Setup
Build it in a few focused steps.
- 1Connect Customjs in Notis.
- 2Create an automation named Website Health Snapshot.
- 3Tell Notis to capture the supplied URL and note visible errors, missing elements, or major changes.
- 4Choose a recurring schedule and set the report destination.
- 5Run one capture to confirm the page loads correctly.
Questions about this workflow
Can it monitor more than one URL?
Yes, provide a list of URLs and ask Notis to capture each one.
Does it replace technical monitoring?
No. It provides visual evidence for the pages and checks you specify.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Customjs. A trigger fires from one place; an action lands in another.
Slackbot triggers
Customjs actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Authenticate CustomJS API Key
Tool to authenticate a CustomJS API key. Use when verifying a user's API key before making further requests.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Convert HTML to PDF
Tool to convert HTML to a PDF document. Use when you need to generate a PDF from raw HTML. Returns raw PDF bytes suitable for download or storage.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Convert HTML to PNG
Tool to convert HTML string to PNG image. Use when you need a PNG from HTML after preparing your markup.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Capture webpage screenshot
Tool to capture a screenshot of a webpage. Use when you need a visual snapshot of a 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.
Merge multiple PDFs into one
Tool to merge multiple PDF files into a single PDF. Use when you have multiple PDF URLs and want one combined PDF.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Run Puppeteer Script
Tool to run a Puppeteer script and capture a screenshot. Use when automating headless browser tasks and needing a PNG output. Use after confirming the script logic.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slackbot and Customjs, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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No card. Works with personal or business Customjs.