Can Slack connect with Todoist?

Yes, Slack can connect with Todoist using n8n.io. With n8n, you can create workflows that automate tasks and transfer data between Slack and Todoist. Configure nodes for Slack and Todoist in the n8n interface, specifying actions and triggers to set up their connection.

Can I use Slack’s API with n8n?

Yes, with n8n, you can programmatically interact with Slack’s API via pre-defined supported actions or raw HTTP requests. With the HTTP Request node, you create a REST API call. You need to understand basic API terminology and concepts.

Can I use Todoist’s API with n8n?

Yes, with n8n, you can programmatically interact with Todoist’s API via pre-defined supported actions or raw HTTP requests. With the HTTP Request node, you create a REST API call. You need to understand basic API terminology and concepts.

Is n8n secure for integrating Slack and Todoist?

Yes, it is safe to use n8n to integrate Slack and Todoist. n8n offers various features to ensure the safe handling of your data. These include encrypted data transfers, secure credential storage, RBAC functionality, and compliance with industry-standard security practices (SOC2 compliant). For hosted plans, data is stored within the EU on servers located in Frankfurt, Germany. You can also host it on your own infrastructure for added control. Learn more about n8n’s security practices here.

How to get started with Slack and Todoist integration in n8n.io?

To start integrating Slack and Todoist in n8n, you have different options depending on how you intend to use it: n8n Cloud: hosted solution, no need to install anything. Self-host: recommended method for full-control or customized use cases. Unlike other platforms that charge per operation, step, or task, n8n charges only for full workflow executions. This approach guarantees predictable costs and scalability, no matter the complexity or volume of your workflows.

Slack and Todoist: Automate Workflows with n8n

How to connect Slack and Todoist

Step 1: Create a new workflow
Step 2: Add and configure nodes
Step 3: Connect
Step 4: Customize and extend your integration
Step 5: Test and activate your workflow

Step 1: Create a new workflow and add the first step

In n8n, click the "Add workflow" button in the Workflows tab to create a new workflow. Add the starting point – a trigger on when your workflow should run: an app event, a schedule, a webhook call, another workflow, an AI chat, or a manual trigger. Sometimes, the HTTP Request node might already serve as your starting point.

Slack and Todoist integration: Create a new workflow and add the first step

Step 2: Add and configure Slack and Todoist nodes

You can find Slack and Todoist in the nodes panel. Drag them onto your workflow canvas, selecting their actions. Click each node, choose a credential, and authenticate to grant n8n access. Configure Slack and Todoist nodes one by one: input data on the left, parameters in the middle, and output data on the right.

Slack and Todoist integration: Add and configure Slack and Todoist nodes

Step 3: Connect Slack and Todoist

A connection establishes a link between Slack and Todoist (or vice versa) to route data through the workflow. Data flows from the output of one node to the input of another. You can have single or multiple connections for each node.

Slack and Todoist integration: Connect Slack and Todoist

Step 4: Customize and extend your Slack and Todoist integration

Use n8n's core nodes such as If, Split Out, Merge, and others to transform and manipulate data. Write custom JavaScript or Python in the Code node and run it as a step in your workflow. Connect Slack and Todoist with any of n8n’s 1000+ integrations, and incorporate advanced AI logic into your workflows.

Slack and Todoist integration: Customize and extend your Slack and Todoist integration

Step 5: Test and activate your Slack and Todoist workflow

Save and run the workflow to see if everything works as expected. Based on your configuration, data should flow from Slack to Todoist or vice versa. Easily debug your workflow: you can check past executions to isolate and fix the mistake. Once you've tested everything, make sure to save your workflow and activate it.

Slack and Todoist integration: Test and activate your Slack and Todoist workflow

Prioritize Todoist tasks with OpenRouter AI and send daily summaries to Slack

Title

Prioritize Todoist tasks and send a daily summary to Slack

Who’s it for

Busy professionals, team leads, and freelancers who want a plug-and-play, AI-assisted morning briefing that turns messy task lists into a clear, actionable plan.

What it does / How it works

At 08:00 every morning, the workflow pulls open tasks from Todoist. An AI agent scores and ranks them by urgency, importance, dependencies, and effort, then produces a concise plan. You receive the summary in Slack (Markdown). Overdue or critical items are highlighted with warnings.

How to set up

Connect OAuth for Todoist and Slack.
Select your posting channel in Send to Slack.
Adjust the time in Morning Schedule Trigger (default 08:00).
Run once to verify the parser output and Slack preview, then set the workflow Active.

Requirements

n8n (cloud or self-hosted)
Todoist account / Slack workspace
LLM provider connected in the AI node (do not hardcode keys in HTTP nodes)

How to customize the workflow

Edit the prompt in AI Task Analyzer to tweak prioritization rules.
Adjust Format AI Summary to match your tone and structure.
Add filters in the Todoist node (e.g., due today).
(Optional) Log results to Google Sheets or a database for analytics.

Disclaimer (community node)

This template uses a community LangChain node for AI features and is intended for self-hosted n8n. Add a workflow image at the top of your submission page for a clearer preview.

Nodes used in this workflow

Popular Slack and Todoist workflows

Prioritize Todoist Tasks with OpenRouter AI and Send Daily Summaries to Slack

Title Prioritize Todoist tasks and send a daily summary to Slack Who’s it for Busy professionals, team leads, and freelancers who want a plug-and-play, AI-assisted morning briefing that turns messy task lists into a clear, actionable plan. What it does / How it works At 08:00 every morning, the workflow pulls open tasks from Todoist. An AI agent scores and ranks them by urgency, importance, dependencies, and effort, then produces a concise plan. You receive the summary in Slack (Markdown). Overdue or critical items are highlighted with warnings. How to set up Connect OAuth for Todoist and Slack. Select your posting channel in Send to Slack. Adjust the time in Morning Schedule Trigger (default 08:00). Run once to verify the parser output and Slack preview, then set the workflow Active. Requirements n8n (cloud or self-hosted) Todoist account / Slack workspace LLM provider connected in the AI node (do not hardcode keys in HTTP nodes) How to customize the workflow Edit the prompt in AI Task Analyzer to tweak prioritization rules. Adjust Format AI Summary to match your tone and structure. Add filters in the Todoist node (e.g., due today). (Optional) Log results to Google Sheets or a database for analytics. Disclaimer (community node) This template uses a community LangChain node for AI features and is intended for self-hosted n8n. Add a workflow image at the top of your submission page for a clearer preview.

Build your own Slack and Todoist integration

Create custom Slack and Todoist workflows by choosing triggers and actions. Nodes come with global operations and settings, as well as app-specific parameters that can be configured. You can also use the HTTP Request node to query data from any app or service with a REST API.