Validate vendor contact emails from Slack
Confirm the contact detail while the vendor decision is fresh, then get back to the work at hand.
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
Email Validation
Tool to validate whether an email address is real and deliverable. use after collecting an email address to confirm deliverability.
Why this helps
Vendor details are scattered across threads, and an invalid email can stall onboarding or a time-sensitive request.
- Catch address issues before onboarding communication is prepared.
- Reduce the effort of reopening vendor threads to verify contact details.
- Keep the result near the original vendor context.
Setup
Build it in a few focused steps.
- 1Connect Slack and Abstract to Notis once in the portal.
- 2Create an automation in the portal, or ask Notis conversationally to validate vendor emails shared in Slack.
- 3Use one instruction: when a channel message provides a vendor contact email, validate it with Abstract and report the outcome.
- 4Select the Slack channel message trigger and a run-report channel.
- 5Test with one real vendor address.
Questions about this workflow
Does this validate a vendor's identity?
No. Abstract Email Validation checks whether an email appears real and deliverable; it does not verify a vendor's identity.
Can the workflow send onboarding documents?
No. This workflow checks the address and reports the outcome.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Abstract. A trigger fires from one place; an action lands in another.
Slack triggers
Abstract actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Validate IBAN
Tool to validate the format and country code of an iban number. use after collecting an iban to ensure it is correctly formatted.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Email reputation
Tool to enrich an email address with reputation and risk scoring data. use when you need to assess an address's deliverability and risk before outreach. use after confirming your api key is valid.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Email Validation
Tool to validate whether an email address is real and deliverable. use after collecting an email address to confirm deliverability.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
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.
Slack and Abstract, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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