Convert Reddit business pain points to LinkedIn posts with AI and Seedream
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: SerpApi (Google Search). 1 breaking item(s) found. Static check, last run 2026-10-19.
What to replace before upgrading
| Removed in 3.0 | Replace with |
|---|---|
| SerpApi (Google Search) SerpAPI | No direct replacement: call the SerpApi REST API with an HTTP Request tool, or use a verified community node |
Nodes used (18)
- Edit Fields (Set)
n8n-nodes-base.set - HTTP Request
n8n-nodes-base.httpRequest - Wait
n8n-nodes-base.wait - Aggregate
n8n-nodes-base.aggregate - SerpApi (Google Search)
@n8n/n8n-nodes-langchain.toolSerpApi - Google Sheets
n8n-nodes-base.googleSheets - AI Agent
@n8n/n8n-nodes-langchain.agent - Schedule Trigger
n8n-nodes-base.scheduleTrigger - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Code
n8n-nodes-base.code - LinkedIn
n8n-nodes-base.linkedIn - Merge
n8n-nodes-base.merge - Filter
n8n-nodes-base.filter - Reddit
n8n-nodes-base.reddit - Loop Over Items (Split in Batches)
n8n-nodes-base.splitInBatches - If
n8n-nodes-base.if - No Operation, do nothing
n8n-nodes-base.noOp - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter
What it does
Reddit Pain Point to LinkedIn Content Automation Auto-discover real marketing problems and create viral LinkedIn content automatically This workflow transforms scattered Reddit discussions into a systematic lead generation machine by discovering actual marketing problems businesses face and automatically converting them into authoritative LinkedIn content that attracts qualified prospects. Overview This workflow handles the complete pain point discovery and content creation process using advanced AI analysis and automation. It manages Reddit API authentication, multi-source community monitoring, intelligent problem identification, solution development, and LinkedIn publishing with built-in error handling and content optimization for maximum engagement. Core Function: Real-time market intelligence that transforms Reddit conversations into high-converting LinkedIn content, positioning you as the expert who understands and solves specific business problems in your target industries. Key Capabilities - Real-time pain point discovery - Monitor 10+ specialized B2B subreddits for actual marketing problems being discussed right now - Multi-industry intelligence - Track Dentistry, Beauty, Accounting, Real Estate, Lawyer, Ecommerce, HR, Online Education, Coaching, and Interior Design sectors simultaneously - AI-powered problem translation - GPT-4.1 mini converts technical Reddit complaints into clear business problems with realistic context - Solution architecture - Automatically proposes specific automation solutions with viability scoring and ROI estimates - LinkedIn content automation - Gemini 2.5 Pro creates Spanish PYME-focused posts with professional imagery via Freepik Seedream V4 - Compound intelligence - System learns and improves, building a comprehensive database of market problems and solutions over time - Authority positioning - Creates content that makes prospects think "this person understands exactly what we're facing" Tools Used - n8n: The automation platform orchestrating both discovery and content creation systems - Reddit API: Direct access to community discussions and pain point identification - OpenRouter: Gateway to advanced AI models (GPT-4.1 mini, Gemini 2.5 Pro) - GPT-4.1 mini: Lightning-fast pain point detection and solution architecture - Gemini 2.5 Pro: Advanced copywriting and visual prompt creation - SerpAPI: Real-time market research and trend integration - Freepik API: Ultra-realistic business imagery generation with Seedream V4 - Google Sheets: Smart knowledge base for pain point storage and tracking - LinkedIn Business API: Professional content publishing and distribution How to Install Setup Time: 20-25 minutes for complete configuration 1. Import the Workflow: Download the .json file and import it into your n8n instance 2. Configure Reddit Access: Set up Reddit OAuth2 credentials for community monitoring 3. Set Up AI Processing: Add your OpenRouter API key for GPT-4.1 mini and Gemini 2.5 Pro access 4. Configure Market Research: Add SerpAPI credentials for real-time trend integration 5. Set Up Image Generation: Configure Freepik API access for professional imagery 6. Configure LinkedIn Publishing: Set up LinkedIn Business API for automated posting 7. Create Knowledge Base: Copy the provided Google Sheets template and configure access 8. Test Both Systems: Run research cycle and content creation independently 9. Deploy Automation: Activate schedules (research every 10 days, content daily 9:30 AM) Use Cases Marketing Agencies: Discover client industry problems automatically and create content that demonstrates deep market understanding, positioning your agency as the one that "gets" specific industry challenges. Automation Consultants: Identify businesses struggling with manual processes through their Reddit discussions, then create educational content showcasing relevant automation solutions that attract pre-qualified leads. Business Coaches: Build authority through market insight by addressing real pr