Promo seeker: Auto-find promo codes with SerpAPI, Gemini & Telegram

Never pay full price from ignorance again. Promo Seeker finds, verifies, and delivers active promo codes via Telegram or email using SerpAPI + Gemini (OpenRouter). A 2-hour manual hunt becomes a 5-minute query, with results deduplicated into an n8n Data Table for instant reuse. Last updated: September 2026. Why Use This Workflow? Time Savings: Manual promo hunting drops from 2 hours to 5 minutes per query. Cost Reduction: Less need for paid scraping tools or manual services. Potential savings of $50–$200/month. Error Prevention: Cross-referenced sources plus a 30-day recency filter cut expired-code hits by ~60% versus single-source checks. Scalability: Hundreds of queries per day with Data T

Help me set up the n8n workflow "Promo seeker: Auto-find promo codes with SerpAPI, Gemini & Telegram" (https://n8n.io/workflows/9172). It uses: Telegram, Gmail, AI Agent, Structured Output Parser, SerpApi (Google Search), OpenRouter Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.