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GitLab and Slack integration

Save yourself the work of writing custom integrations for GitLab and Slack and use n8n instead. Build adaptable and scalable Development, workflows that work with your technology stack. All within a building experience you will love.

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How to connect GitLab and Slack

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.

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

Daily workflow backup to GitLab with Slack notifications

How it Works This workflow creates automated daily backups of your n8n workflows to a GitLab repository: Scheduled Trigger - Runs automatically at noon each day to initiate the backup process Fetch Workflows - Retrieves all active workflows from your n8n instance, filtering out archived ones Compare & Process - Checks existing files in GitLab and compares them with current workflows Smart Upload - For each workflow, either updates the existing file in GitLab (if it exists) or creates a new one Notification System - Sends success/failure notifications to a designated Slack channel with execution details >The workflow intelligently handles each file individually, cleaning up unnecessary metadata before converting workflows to formatted JSON files ready for version control. Set up Steps Estimated setup time: 15-20 minutes You'll need to configure three credential connections and customize the Configuration node: GitLab API: Create a project access token with write permissions to your backup repository n8n Internal API: Generate an API key from your n8n user settings Slack Bot: Set up a Slack app with bot token permissions for posting messages to your notification channel > Once credentials are configured, update the Configuration node with your GitLab project owner, repository name, and target branch. The workflow includes detailed setup instructions in the sticky notes for each credential type. After setup, activate the workflow to begin daily automated backups.

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Build your own GitLab and Slack integration

Create custom GitLab and Slack 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.

GitLab supported actions

Slack supported actions

GitLab and Slack integration details

GitLab

GitLab

GitLab is the best tool for teams of developers. It brings them together from planning to production to decrease cycle times, save costs, boost security, and enhance their output. It serves as an open-source code repository and collaborative software development platform for major DevOps and DevSecOps projects.

Related categories

Slack

Slack

Slack is a powerful collaboration tool for businesses of all sizes. It brings team communication and collaboration into one place so you can get more work done, whether you belong to a large enterprise or a small business.

Related categories

Other integrations with GitLab and Slack

With GitLab

With Slack

Save engineering resources

Reduce time spent on customer integrations, engineer faster POCs, keep your customer-specific functionality separate from product all without having to code.

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GitLab and Slack integration tutorials

FAQ about GitLab integrations

Need help setting up your GitLab and Slack integration?

Discover our latest community's recommendations and join the discussions about GitLab and Slack integration.

  • Karim El Soufi

    GitLab Trigger: 404 Project Not Found

    Karim El Soufi

    Hello, I have a self hosted n8n (1.53.2) on AWS ECS with a domain. Trying to add a gitlab, company hosted, step (trigger or any). The connexion through credentials works. I have filled the job based on this question …

    Open topic
  • Michelle

    Slack node: Channel list not loading with "Issues: There was a problem loading the parameter options from server: "[object Object]""

    Michelle

    I’m trying to use a Slack node for searching messages in a specific channel. Yet, when I add the option for channel selection, I get an error: *Issues: There was a problem loading the parameter options from server: “[ob…

    Open topic
  • Ageng Putra

    Slack Trigger Node stopped working between two different channels

    Ageng Putra

    Describe the problem/error/question I have two separate workflows, each using a different Slack app integration: Staging channel → uses trigger-app 1 Production channel → uses trigger-app 2 The issue: The Slack…

    Open topic
  • Kyrylo

    Slack's channel history timestamp parameters

    Kyrylo

    Describe the problem I’m trying to get certain messages from a channel. The way I had it configured with HTTP node was by making a request to this URL: https://slack.com/api/conversations.history?channel={{ $(‘get_all_m…

    Open topic
  • Ignas

    Scalable Slack triggers set up

    Ignas

    Describe the problem/error/question Hey Community, we recently rolled out N8N company wide and we are missing is scalable solution to Slack trigger set up. The problem is that for every workflow that we create in N8N we …

    Open topic

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Trusted by teams building smarter workflows

Why

Why use n8n to integrate GitLab with Slack

Handle branching, merging and iteration easily. Pause your workflow to wait for external events.

Re-run single steps to test changes in no time. And pin your data to avoid generating trigger events every time you execute.

Your data is displayed alongside your settings, making edge cases easy to track down.

Use 1000+ workflow templates available from our core team and our community.

Copy and paste, easily import and export workflows.

  • n8n makes complex workflows easy to build, and versatile enough for me to add my own 'secret sauce.'

    Danny Melamed

  • I have found the holy grail of automation.

    Luisa Vidal

  • n8n’s integration with third-party services is absolutely mind-blowing. It’s like a Swiss army knife for automation.

    Felix Leber

  • n8n is the tool that turns 'I have an idea' into 'it's running in production' faster than anything else.

    Ric Neves

  • Anything is possible with n8n. I think the cloud version is great, they are doing amazing stuff.

    Robyn Tindall

  • n8n’s integration with third-party services is absolutely mind-blowing. It’s like a Swiss army knife for automation.

    Nanbing

  • Thank you to the n8n community. I did the beginners course and promptly took an automation WAY beyond my skill level.

    Charley Mann

  • I love the flexibility of n8n and how it lets different applications work together in a single workflow.

    Ray Fourie

  • n8n is the glue that holds many of our systems together.

    Paul Cook

  • I can move fast, go deep when things get complex, and never feel boxed in.

    Ali Mazloum

Simple enough to 
understand + sophisticated 
enough to ship

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