đź“Š Analyze Reddit content and comments for sentiment with Deepseek AI

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💡 Pro Tip — For competitive intelligence, ScraperNode can automate the data collection — Yelp reviews, Glassdoor company data, and Crunchbase profiles all return structured JSON you can feed straight into this workflow.

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Description

Reddit Sentiment Analysis with AI-Powered Insights

Automatically analyze Reddit posts and comments to extract sentiment, emotional tone, and actionable community insights using AI.

This powerful n8n workflow combines Reddit’s API with advanced AI sentiment analysis to help community managers, researchers, and businesses understand public opinion and engagement patterns on Reddit. Get structured insights including sentiment scores, toxicity levels, trending concerns, and moderation recommendations.

Features

How It Works

The workflow follows a two-stage process:

  1. Data Collection: Fetches recent posts from specified subreddits along with their comments
  2. AI Analysis: Processes content through DeepSeek AI to generate comprehensive sentiment and contextual insights

Use Cases

Required Credentials

Before setting up this workflow, you’ll need to obtain the following credentials:

Reddit OAuth2 API

  1. Go to Reddit App Preferences
  2. Click “Create App” or “Create Another App”
  3. Choose “web app” as the app type
  4. Fill in the required fields:
    • Name: Your app name
    • Description: Brief description of your app
    • Redirect URI: http://localhost:8080/oauth/callback (or your n8n instance URL + /oauth/callback)
  5. Note down your Client ID and Client Secret

OpenRouter API

  1. Visit OpenRouter
  2. Sign up for an account
  3. Navigate to your API Keys section
  4. Generate a new API key
  5. Copy the API key for use in n8n

Step-by-Step Setup Instructions

Step 1: Import the Workflow

  1. Copy the workflow JSON from this template
  2. In your n8n instance, click the ”+” button to create a new workflow
  3. Select “Import from URL” or “Import from Clipboard”
  4. Paste the workflow JSON and click “Import”

Step 2: Configure Reddit Credentials

  1. Click on any Reddit node (e.g., “Get many posts”)
  2. In the credentials dropdown, click “Create New”
  3. Select “Reddit OAuth2 API”
  4. Enter your Reddit app credentials:
    • Client ID: Your Reddit app client ID
    • Client Secret: Your Reddit app client secret
    • Auth URI: https://www.reddit.com/api/v1/authorize
    • Access Token URI: https://www.reddit.com/api/v1/access_token
  5. Click “Connect my account” and authorize the app
  6. Save the credentials

Step 3: Configure OpenRouter Credentials

  1. Click on the “OpenRouter Chat Model1” node
  2. In the credentials dropdown, click “Create New”
  3. Select “OpenRouter API”
  4. Enter your OpenRouter API key
  5. Save the credentials

Step 4: Test the Webhook

  1. Click on the “Webhook” node
  2. Copy the webhook URL (it will look like: https://your-n8n-instance.com/webhook/reddit-sentiment)
  3. Test the webhook using a tool like Postman or curl with this sample payload:
{
  "subreddit": "technology",
  "query": "AI",
  "limit": 5
}

Step 5: Customize the Analysis

  1. Modify the Structured Data Generator prompt: Edit the prompt in the “Structured Data Generator” node to adjust the analysis criteria or output format
  2. Change the AI model: In the “OpenRouter Chat Model1” node, you can switch to different models like anthropic/claude-3-haiku or openai/gpt-4 based on your preferences and budget
  3. Adjust post limits: Modify the limit parameter in the “Get many posts” and “Get many comments in a post” nodes to control how much data you process

Usage Instructions

Making API Calls

Send a POST request to your webhook URL with the following parameters:

Required Parameters:

Optional Parameters:

Example Request:

curl -X POST https://your-n8n-instance.com/webhook/reddit-sentiment \
  -H "Content-Type: application/json" \
  -d '{
    "subreddit": "CustomerService",
    "limit": 10
  }'

Understanding the Output

The workflow returns a JSON array with detailed analysis for each post:

[
  {
    "sentiment_analysis": {
      "overall_sentiment": {
        "category": "Negative",
        "confidence_score": 8
      },
      "emotional_tone": ["frustrated", "concerned"],
      "intensity_level": "High"
    },
    "content_categorization": {
      "discussion_type": "Complaint",
      "key_themes": ["billing issues", "customer support"],
      "toxicity_level": {
        "level": "Low",
        "indicators": "No offensive language detected"
      }
    },
    "contextual_insights": {
      "community_engagement_quality": "Constructive",
      "potential_issues_flagged": ["service disruption"],
      "trending_concerns": ["response time", "resolution process"]
    },
    "actionable_intelligence": {
      "moderator_attention_needed": {
        "required": "Yes",
        "reason": "Customer complaint requiring company response"
      },
      "response_urgency": "High",
      "suggested_follow_up_actions": [
        "Escalate to customer service team",
        "Monitor for similar complaints"
      ]
    }
  }
]

Workflow Nodes Explanation

Data Collection Nodes

Processing Nodes

Customization Options

Adjusting Analysis Depth

Adding Data Storage

Integrating with Other Tools

Tips for Best Results

  1. Choose Relevant Subreddits: Focus on communities where your target audience is active
  2. Monitor Regularly: Set up scheduled executions to track sentiment trends over time
  3. Customize Prompts: Tailor the AI prompts to your specific industry or use case
  4. Respect Rate Limits: Reddit API has rate limits, so avoid excessive requests
  5. Review AI Output: Periodically check the AI analysis accuracy and adjust prompts as needed

Troubleshooting

Common Issues

“Reddit API Authentication Failed”

“OpenRouter API Error”

“Webhook Not Responding”

“AI Analysis Returns Errors”

Performance Considerations

Contributing

This workflow can be extended and improved. Consider adding:

Ready to start analyzing Reddit sentiment? Import this workflow and start gaining valuable insights into online community discussions!

đź”— Nodes Used

Webhook, Reddit, Basic LLM Chain, OpenRouter Chat Model

đź“Ą Import

Download workflow.json and import into n8n: Workflow menu → Import from File

📖 Importing guide · 🔑 Credential setup