Check shared IBANs before they become payment work
Post an IBAN in Slack and let Notis run a structure check, so the next step is clearer before you switch tools.
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
Validate IBAN
Tool to validate international bank account numbers (ibans). use when you need to verify an iban's structure before processing transactions.
Why this helps
Account details buried in chat can be copied into payment work without a basic format check.
- Flags structural IBAN problems close to where they are shared.
- Reduces the need to pause and open a separate validation tool.
- Keeps the check attached to the Slack discussion that prompted it.
Setup
Build it in a few focused steps.
- 1Connect Slack and Api labz to Notis once through the portal.
- 2In Automations, create a new automation and describe the outcome in one plain-language instruction: validate each IBAN posted in the chosen channel and report the result in Slack.
- 3Pick Channel Message Received as the trigger and choose a channel for run reports.
- 4Test with one real IBAN example, then check the reported validation result.
Questions about this workflow
Does this check whether an account belongs to the named person?
No. Api labz validates the IBAN structure; it does not establish account ownership.
Will it react to direct messages?
This workflow uses the 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 Api labz. A trigger fires from one place; an action lands in another.
Slack triggers
Api labz actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Validate IBAN
Tool to validate international bank account numbers (ibans). use when you need to verify an iban's structure before processing transactions.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
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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 Api labz, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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