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Investigate a currency change flagged in Slack

Mark the message that needs context and check the rate movement over the dates it names.

Trigger

Message Reaction Added

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

Action

Get Currency Fluctuations

Tool to fetch exchange rate fluctuations between two dates. Use when you need day-to-day currency rate changes.

Why this helps

A potentially important currency move can be noticed without anyone taking the next research step.

  • Make the follow-up to a flagged change explicit.
  • Compare rates between the relevant dates.
  • Focus on the pair that the message discusses.

Setup

Build it in a few focused steps.

  • 1Connect Slack and Fixer io to Notis once through the portal.
  • 2Create an automation in the portal or ask Notis to compare rate fluctuations when a Slack message gets a designated reaction.
  • 3Write one instruction that uses the message's currency pair and date range.
  • 4Choose Message Reaction Added as the trigger, optionally filter by reaction or channel, choose a report channel, and test with a dated example.

Questions about this workflow

What if the message has no dates?

The instruction should rely on a clear date range in the message; otherwise the requested comparison may be underspecified.

Can this show daily rates?

The fluctuation action compares two dates. Use Get Time Series for daily rates across a date range.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Slack to Fixer io. A trigger fires from one place; an action lands in another.

Slack triggers

Fixer io actions

Recurring trigger

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

TriggerScheduled

Convert Currency

Tool to convert an amount from one currency to another. Use when you need current or historical exchange rates. Specify `date` for historical rates.

ActionInstant

Webhook trigger

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

TriggerInstant

Get Currency Fluctuations

Tool to fetch exchange rate fluctuations between two dates. Use when you need day-to-day currency rate changes.

ActionInstant

New Channel Created Trigger

Triggered when a new channel is created in Slack.

TriggerInstant

Get Historical Rates

Tool to fetch historical exchange rates for a specific date. Use when you need past currency rates.

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

Get Latest Rates

Tool to retrieve the most recent exchange rates. Use when you need current currency conversion rates for all or specified currencies.

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

Get Supported Symbols

Tool to retrieve the list of all available currency symbols and their corresponding names. Use when you need to fetch and display supported currency codes.

ActionInstant

Message Reaction Added

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

TriggerInstant

Get Time Series

Tool to retrieve daily exchange rates for a specified period. Use when you need historical FX rates between two dates (max 365 days).

ActionInstant

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.

Slack and Fixer io, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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