Telegram chat with PDF
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
Nodes used (13)
- Telegram Trigger
n8n-nodes-base.telegramTrigger - Embeddings OpenAI
@n8n/n8n-nodes-langchain.embeddingsOpenAi - Default Data Loader
@n8n/n8n-nodes-langchain.documentDefaultDataLoader - Recursive Character Text Splitter
@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter - Stop and Error
n8n-nodes-base.stopAndError - Question and Answer Chain
@n8n/n8n-nodes-langchain.chainRetrievalQa - Vector Store Retriever
@n8n/n8n-nodes-langchain.retrieverVectorStore - Pinecone Vector Store
@n8n/n8n-nodes-langchain.vectorStorePinecone - Groq Chat Model
@n8n/n8n-nodes-langchain.lmChatGroq - If
n8n-nodes-base.if - Code
n8n-nodes-base.code - Telegram
n8n-nodes-base.telegram - Limit
n8n-nodes-base.limit
What it does
What this template does This template serves as a Chatbot that enables you to ask questions about the content of a PDF directly in Telegream. It checks incoming Telegram messages if they contain a document. If they do, it stores the PDF in a Pinecone Vector store. If there's no document, it will search the Vector Store for information and try to answer your question. Setup 1. Open the Telegram app and search for the BotFather user (@BotFather) 2. Start a chat with the BotFather 3. Type /newbot to create a new bot 4. Follow the prompts to name your bot and get a unique API token 5. Save your access token and username Once you set your bot, you can send the pdf, and then ask questions about the content. How to adjust it to your needs - You can exchange the Groq chat model with any model that you like - Exchange Pinecone with any other vector store tool you like (e.g. Supabase, Postgres or QDrant) Telegram, Pinecone, Openai, GroQ