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Add information for Slack signing secret (#3436)

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Co-authored-by: Justin Ellingwood <justin@n8n.io>
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Jon
2025-08-06 11:22:30 +01:00
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parent 51bd634016
commit 3a9b8eb4d0
3 changed files with 17 additions and 4 deletions
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docs/integrations/builtin/credentials/slack.md
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@@ -52,9 +52,10 @@ Refer to the Slack API [Quickstart](https://api.slack.com/quickstart) for more i
To use your Slack app with the [Slack Trigger](/integrations/builtin/trigger-nodes/n8n-nodes-base.slacktrigger.md) node:
1. Go to **Features** > **Event Subscriptions**.
2. Turn on the **Enable Events** control.
3. In n8n, copy the **Webhook URL** and enter it as the **Request URL** in your Slack app.
1. Go to [Your Apps](https://api.slack.com/apps/) in Slack and select the app you want to use.
2. Go to **Features** > **Event Subscriptions**.
3. Turn on the **Enable Events** control.
4. In n8n, copy the **Webhook URL** and enter it as the **Request URL** in your Slack app.
/// note | Request URL
Slack only allows one request URL per app. If you want to test your workflow, you'll need to do one of the following:
@@ -63,11 +64,18 @@ To use your Slack app with the [Slack Trigger](/integrations/builtin/trigger-nod
- Use the **Production URL** with execution logging.
///
4. Once verified, select the bot events to subscribe to. Use the **Trigger on** field in n8n to filter these requests.
5. Once verified, select the bot events to subscribe to. Use the **Trigger on** field in n8n to filter these requests.
- To use an event not in the list, add it as a bot event and select **Any Event** in the n8n node.
Refer to [Quickstart | Configuring the app for event listening](https://api.slack.com/quickstart#listening) for more information.
n8n recommends enabling request signature verification for your Slack Trigger for additional security:
1. Go to [Your Apps](https://api.slack.com/apps/) in Slack and select the app you want to use.
2. Go to **Settings** > **Basic Information**.
3. Copy the value of **Signing**.
4. In n8n, Paste this value into the **Signature Secret** field for the credential.
## Using OAuth2
--8<-- "_snippets/integrations/builtin/credentials/cloud-oauth-button.md"

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docs/integrations/builtin/trigger-nodes/n8n-nodes-base.slacktrigger.md
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@@ -69,6 +69,10 @@ You must add the appropriate scopes to your Slack app for this trigger node to w
The node requires scopes for the [conversations.list](https://api.slack.com/methods/conversations.list) and [users.list](https://api.slack.com/methods/users.list) methods at minimum. Check out the [Scopes | Slack credentials](/integrations/builtin/credentials/slack.md#scopes) list for a more complete list of scopes.
## Verify the webhook
From [version `1.106.0`](/release-notes.md#n8n11060), you can set a [Slack Signing Secret](https://api.slack.com/authentication/verifying-requests-from-slack#signing_secrets_admin_page) when configuring your [Slack credentials](/integrations/builtin/credentials/slack.md#slack-trigger-configuration). When set, the Slack trigger node automatically verifies that requests are from Slack and include a trusted signature. n8n recommends setting this to ensure you only process requests sent from Slack.
## Common issues
Here are some common errors and issues with the Slack Trigger node and steps to resolve or troubleshoot them.