Open the Todoist App Management Console.
Select Create a new app.
Enter an App name for your app, like n8n integration.
Select Create app.
Copy the n8n OAuth Redirect URL and enter it as the OAuth redirect URL in Todoist.
Copy the Client ID from Todoist and enter it in your n8n credential.
Copy the Client Secret from Todoist and enter it in your n8n credential.
Configure the rest of your Todoist app as it makes sense for your use case.

Refer to the Todoist Authorization Guide for more information.

Todoist credentials

You can use these credentials to authenticate the following nodes:

Supported authentication methods

Refer to Todoist's REST API documentation for more information about the service.

To configure this credential, you'll need a Todoist account and:

To get your API Key:

Refer to Find your API token for more information.

Note for n8n Cloud users

Cloud users don't need to provide connection details. Select Connect my account to connect through your browser.

If you're self-hosting n8n, you'll need a Todoist account and:

Get both by creating an application:

Open the Todoist App Management Console.
Select Create a new app.
Enter an App name for your app, like n8n integration.
Select Create app.
Copy the n8n OAuth Redirect URL and enter it as the OAuth redirect URL in Todoist.
Copy the Client ID from Todoist and enter it in your n8n credential.
Copy the Client Secret from Todoist and enter it in your n8n credential.
Configure the rest of your Todoist app as it makes sense for your use case.

Refer to the Todoist Authorization Guide for more information.