{"workflow":{"id":13091,"name":"Store AI chat conversations with OpenAI GPT-4.1-mini and Pinecone","views":13,"recentViews":0,"totalViews":13,"createdAt":"2026-01-29T09:00:09.773Z","description":"How it works\n\n- Chat input triggers the workflow when a user sends a message.\n- The primary AI Agent processes the incoming message using OpenAI's Chat Model to generate intelligent responses.\n- Context is retrieved from an assistant service using the \"Get context from Assistant\" node to enhance response quality with relevant historical information.\n- A secondary AI Agent handles database logging by formatting and sending chat data via POST request to your storage endpoint.\n- The Edit Fields node structures the conversation data to match your database schema before storage.\n- All conversations are automatically stored with proper formatting, timestamps, and metadata for future retrieval and analysis.","workflow":{"id":"0HTVSt0K7UA8O6hK","meta":{"instanceId":"5ff0818d2bce15699dbb1d5f7f8237225974d0e4c2aab55ddc5575fbabdf3760","templateCredsSetupCompleted":true},"name":"AI Chat Agent with Database History Logging","tags":[],"nodes":[{"id":"d85a5354-ce56-4ea2-8d40-9c772f7d22c1","name":"AI Agent","type":"@n8n/n8n-nodes-langchain.agent","position":[1248,816],"parameters":{"options":{"systemMessage":"You are a helpful assistant. Use the Pinecone Assistant Tool to retrieve data about Pinecone releases. Include the file name and file url in citations wherever referenced in output."}},"typeVersion":2.2},{"id":"e2f52b9b-d77e-4abe-baa5-66d724f1e138","name":"OpenAI Chat Model","type":"@n8n/n8n-nodes-langchain.lmChatOpenAi","position":[1248,1056],"parameters":{"model":{"__rl":true,"mode":"list","value":"gpt-4.1-mini"},"options":{}},"credentials":{"openAiApi":{"id":"YfNFcRCbNJpkC05b","name":"OpenAi account"}},"typeVersion":1.2},{"id":"416735b3-c8e9-4546-be09-a6a4a352df6b","name":"Sticky Note2","type":"n8n-nodes-base.stickyNote","position":[784,720],"parameters":{"color":7,"width":1344,"height":576,"content":"## AI Chat Agent with Database History Logging"},"typeVersion":1},{"id":"e648c838-8f21-41ee-8091-a4536e149c8f","name":"Chat input","type":"@n8n/n8n-nodes-langchain.chatTrigger","position":[848,816],"webhookId":"d6d6d604-8a32-45f6-96a6-499b0f09a7f1","parameters":{"options":{}},"typeVersion":1.3},{"id":"4ba50df2-022a-4cce-a33c-b3651489b26c","name":"Get context from Assistant","type":"@pinecone-database/n8n-nodes-pinecone-assistant.pineconeAssistantTool","position":[1456,1024],"parameters":{"assistantData":"{\"name\":\"n8n-assistant\",\"host\":\"https://prod-1-data.ke.pinecone.io\"}","additionalFields":{"topK":16,"sourceTag":"n8n:n8n_nodes_pinecone_assistant:quickstart","snippetSize":2048}},"credentials":{"pineconeAssistantApi":{"id":"AZAr573hCiTaTT6M","name":"Pinecone Assistant account"}},"typeVersion":1},{"id":"b62f3294-cea5-41bd-965f-c7822af5aabf","name":"Sticky Note","type":"n8n-nodes-base.stickyNote","position":[128,1904],"parameters":{"width":1088,"height":736,"content":"## Who is this for?\nThis workflow is designed for developers and businesses building AI-powered chat applications who need to track and store conversation history. It's ideal for:\n\n* Customer support teams implementing AI chatbots\n* Product teams testing AI agent interactions\n* Developers building conversational AI systems with audit trails\n* Anyone needing persistent chat history for analysis or compliance\n\n## What problem is this workflow solving?\nMany AI chat implementations lack proper conversation tracking and database storage. This workflow solves the challenge of capturing chat interactions while maintaining context through AI agents, providing a complete solution for conversational AI with persistent history storage. This is essential for:\n\n* Analyzing customer interactions and improving AI responses\n* Maintaining conversation history across sessions\n* Building searchable chat archives\n* Ensuring data compliance and audit capabilities\n* Training and improving AI models with real conversation data\n\n## What this workflow does\nThis workflow creates an end-to-end AI chat system that:\n\n1. Accepts chat input through a trigger node\n2. Processes conversations using an AI Agent powered by OpenAI Chat Model for intelligent responses\n3. Retrieves contextual information from Pinecone Assistant to enhance responses\n4. Formats and structures the conversation data\n5. Stores chat history to a database via POST endpoint for persistence and analysis\n\nThe workflow maintains conversation context while ensuring all interactions are properly logged and stored for future reference."},"typeVersion":1},{"id":"d521cc58-35ea-4cbf-8aa0-e1f5b8c0dfa7","name":"Sticky Note1","type":"n8n-nodes-base.stickyNote","position":[128,608],"parameters":{"width":592,"height":608,"content":"## Setup Requirements\n\n### Prerequisites\n\n* A [Pinecone account](https://app.pinecone.io/) and [API key](https://app.pinecone.io/organizations/-/projects/-/keys)\n* An [OpenAI account](https://auth.openai.com/create-account) and [API key](https://platform.openai.com/settings/organization/api-keys)\n* A database with REST API endpoint (e.g., Supabase, Airtable, or custom backend)\n\n### Setup Steps\n\n1. **Configure Chat Input**: Set up the Chat Trigger node with your preferred entry point\n\n2. **Add OpenAI Credentials**: Click the OpenAI Chat Model node and add your OpenAI API credentials\n\n3. **Configure Pinecone Assistant**: \n   - Add your Pinecone Assistant credentials\n   - Update the assistant data with your assistant name and host URL\n\n4. **Set Database Endpoint**: In the \"Posting Responses to DB\" HTTP Request node, replace `https://your-database-api.com/endpoint` with your actual database API endpoint\n\n5. **Add Database Authentication** (if required): Add authentication headers in the HTTP Request node\n\n6. **Customize Response Format**: Adjust the \"Formatting Answers\" node to match your desired output structure\n\n7. **Test the Workflow**: Use the chat interface to test the complete flow"},"typeVersion":1},{"id":"abec7d7e-6ea5-4883-b288-a9acd3c133b5","name":"Sticky Note3","type":"n8n-nodes-base.stickyNote","position":[128,1264],"parameters":{"width":592,"height":576,"content":"## How to customize this workflow\n\n### Database Integration\n* Replace the POST endpoint URL with your database API (Supabase, Airtable, Firebase, etc.)\n* Modify the \"Formatting Answers\" node to match your database schema\n* Add authentication headers as needed (API keys, Bearer tokens, etc.)\n\n### AI Agent Behavior\n* Adjust system prompts in the AI Agent node to match your use case\n* Configure temperature and other model parameters for response style\n* Switch between different OpenAI models (GPT-4, GPT-3.5-turbo, etc.)\n\n### Context Retrieval\n* Customize the Pinecone Assistant settings (topK, snippetSize) for optimal context\n* Add additional context sources or knowledge bases\n* Implement conversation memory with user profiles\n\n### Extended Functionality\n* Add sentiment analysis nodes to track conversation tone\n* Implement notification triggers for specific keywords or intents\n* Add branching logic for different conversation flows\n* Include analytics nodes to track metrics like response time and satisfaction"},"typeVersion":1},{"id":"ce38f4ba-4773-4064-abd6-ed99be873e74","name":"Sticky Note4","type":"n8n-nodes-base.stickyNote","position":[1584,464],"parameters":{"width":528,"height":240,"content":"## Related Resources\n\n### Video Tutorial\n[Setup So Easy It Feels Like Cheating: NEW Pinecone Assistant with n8n](https://youtu.be/ZWBn_OxellE)\n\n### Example App\n[Lovable Prompt for App Reviewer](https://swiy.co/prompt-volume-app-revewer)\n\n### Helpful Links\n* [n8n AI Agents Documentation](https://docs.n8n.io/integrations/builtin/cluster-nodes/root-nodes/n8n-nodes-langchain.agent/)\n* [Pinecone Assistant Guide](https://docs.pinecone.io/guides/assistant/understanding-assistant)\n* [OpenAI API Documentation](https://platform.openai.com/docs/)"},"typeVersion":1},{"id":"7b331760-ded2-424e-8246-eb16b220bc9d","name":"Posting Responses to DB","type":"n8n-nodes-base.httpRequest","position":[1632,816],"parameters":{"url":"https://your-database-api.com/endpoint","method":"POST","options":{},"sendBody":true,"sendHeaders":true,"bodyParameters":{"parameters":[{"name":"conversation_data","value":"={{ $json }}"}]},"headerParameters":{"parameters":[{"name":"Content-Type","value":"application/json"}]}},"typeVersion":4.3},{"id":"dc08fda1-e711-4f81-b2f9-12f15183aa01","name":"Formatting Answers","type":"n8n-nodes-base.set","position":[1888,816],"parameters":{"options":{},"assignments":{"assignments":[{"id":"e87ba133-eb68-4a8b-9904-fcb420854e60","name":"output","type":"string","value":"={{ $json.output }}"},{"id":"a2b8c4d5-f123-45e6-7890-1a2b3c4d5e6f","name":"timestamp","type":"string","value":"={{ $now }}"}]}},"typeVersion":3.4}],"active":false,"pinData":{},"settings":{"availableInMCP":false,"executionOrder":"v1"},"versionId":"80a721d5-e93c-4162-83dc-b537fccce095","connections":{"AI Agent":{"main":[[{"node":"Posting Responses to DB","type":"main","index":0}]]},"Chat input":{"main":[[{"node":"AI Agent","type":"main","index":0}]]},"OpenAI Chat Model":{"ai_languageModel":[[{"node":"AI Agent","type":"ai_languageModel","index":0}]]},"Posting Responses to DB":{"main":[[{"node":"Formatting Answers","type":"main","index":0}]]},"Get context from Assistant":{"ai_tool":[[{"node":"AI Agent","type":"ai_tool","index":0}]]}}},"lastUpdatedBy":1,"workflowInfo":{"nodeCount":11,"nodeTypes":{"n8n-nodes-base.set":{"count":1},"n8n-nodes-base.stickyNote":{"count":5},"n8n-nodes-base.httpRequest":{"count":1},"@n8n/n8n-nodes-langchain.agent":{"count":1},"@n8n/n8n-nodes-langchain.chatTrigger":{"count":1},"@n8n/n8n-nodes-langchain.lmChatOpenAi":{"count":1},"@pinecone-database/n8n-nodes-pinecone-assistant.pineconeAssistantTool":{"count":1}}},"status":"published","readyToDemo":null,"user":{"name":"Doc Williams","username":"the17thhokage","bio":"I love creating automation and workflows that impact communities ","verified":false,"links":["https://www.youtube.com/@docwilliams"],"avatar":"https://gravatar.com/avatar/4b3169737e5a4c557fdfa7b72485a05f0a196b7f5881d367b22607a3aec6fd4c?r=pg&d=retro&size=200"},"nodes":[{"id":19,"icon":"file:httprequest.svg","name":"n8n-nodes-base.httpRequest","codex":{"data":{"alias":["API","Request","URL","Build","cURL"],"resources":{"generic":[{"url":"https://n8n.io/blog/2021-the-year-to-automate-the-new-you-with-n8n/","icon":"☀️","label":"2021: The Year to Automate the New You with n8n"},{"url":"https://n8n.io/blog/why-business-process-automation-with-n8n-can-change-your-daily-life/","icon":"🧬","label":"Why business process automation with n8n can change your daily life"},{"url":"https://n8n.io/blog/automatically-pulling-and-visualizing-data-with-n8n/","icon":"📈","label":"Automatically pulling and visualizing data with n8n"},{"url":"https://n8n.io/blog/learn-how-to-automatically-cross-post-your-content-with-n8n/","icon":"✍️","label":"Learn how to automatically 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