Skip to content
Notis

Anonymize Slack channel messages before archiving

Keep useful conversation context while hiding sensitive details before messages leave Slack.

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

Anonymize Value

Tool to anonymize a string or array of string values. use when you need to conceal sensitive text before storage or transmission. example: `anonymizevalue().execute(anonymizevaluerequest(data=['secret']))` limitations: only supports list of strings, not nested structures.

Why this helps

Important Slack discussions often contain personal or confidential details that should not be copied into shared systems.

  • Reduces accidental exposure of confidential text
  • Preserves a usable conversation record
  • Removes manual redaction work

Setup

Build it in a few focused steps.

  • 1Connect Slackbot and Anonyflow once in the Notis portal.
  • 2Open Automations, create an automation, and describe the anonymization outcome in plain language.
  • 3Pick Channel Message Received as the trigger.
  • 4Choose a report channel, then test with one real channel message.

Questions about this workflow

What does this workflow anonymize?

It sends string values from the new channel message to Anonyflow for anonymization.

Does it cover direct messages?

No. Use the Direct Message Received trigger for Slack DMs.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Slackbot to Anonyflow. A trigger fires from one place; an action lands in another.

Slackbot triggers

Anonyflow actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Anonymize Value

Tool to anonymize a string or array of string values. use when you need to conceal sensitive text before storage or transmission. example: `anonymizevalue().execute(anonymizevaluerequest(data=['secret']))` limitations: only supports list of strings, not nested structures.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Deanonymize Packet

Tool to deanonymize a json data packet using your private key. use after receiving an anonymized packet to recover specific fields.

ActionInstant

New Channel Created Trigger

Triggered when a new channel is created in Slack.

TriggerInstant

Deanonymize Value

Tool to deanonymize one or more anonymized string values. use when you need to recover the original plaintext values after encryption-based anonymization. example: `deanonymizevalue().execute(deanonymizevaluerequest(data=["<anonymized string>"]))`

ActionInstant

Channel Message Received

Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.

TriggerInstant

Test Connection

Tool to test the connection to the anonyflow api. use when verifying that the anonyflow service is reachable and operational before performing anonymization tasks. example: `testconnection().execute(testconnectionrequest())`

ActionInstant

Direct Message Received

Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.

TriggerInstant

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Message Reaction Removed

Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Reaction Added Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.

TriggerInstant

Connect any two apps with Notis in the middle.

Slackbot and Anonyflow, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

Save your first hour today.

7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business Anonyflow.