Pdfsummary

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "pdfSummary",
  "nodes": [
    {
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {
          "download": true
        }
      },
      "type": "n8n-nodes-base.telegramTrigger",
      "typeVersion": 1.2,
      "position": [
        0,
        0
      ],
      "id": "35566480-3bcc-4602-bb9c-aa5d9a330cc0",
      "name": "Telegram Trigger",
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "pdf",
        "options": {}
      },
      "type": "n8n-nodes-base.extractFromFile",
      "typeVersion": 1,
      "position": [
        224,
        0
      ],
      "id": "ac239eeb-0e56-4149-8904-1163837267ff",
      "name": "Extract from File"
    },
    {
      "parameters": {
        "modelId": {
          "__rl": true,
          "value": "gpt-4o-mini",
          "mode": "list",
          "cachedResultName": "GPT-4O-MINI"
        },
        "messages": {
          "values": [
            {
              "content": "you're experience in summarizing the pdf.\n\nYou should give the highlighted points\nimportant topics in single page\nformat should be in readable form and easy to understand the overall concept",
              "role": "system"
            },
            {
              "content": "=Summarize the below text {{ $json.text }}"
            }
          ]
        },
        "options": {
          "temperature": 0.7
        }
      },
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 1.8,
      "position": [
        448,
        0
      ],
      "id": "37755918-9218-4eda-ac9f-b3e38e834edd",
      "name": "Message a model",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
        "text": "={{ $json.message.content }}",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [
        800,
        0
      ],
      "id": "df86d2b0-d619-4cea-8527-e9853dd7332f",
      "name": "Send a text message",
      "credentials": {
        "telegramApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "Extract from File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract from File": {
      "main": [
        [
          {
            "node": "Message a model",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Message a model": {
      "main": [
        [
          {
            "node": "Send a text message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "ae7c0c54-1c73-4db3-9da6-6bcf64c4a99a",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "lwbJRlEPpElaZjEi",
  "tags": []
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• openAiApi
• telegramApi

About this workflow

pdfSummary. Uses telegramTrigger, openAi, telegram. Event-driven trigger; 4 nodes.

Source: https://github.com/paari24/genAI/blob/30bfbd32b1e76049e3795e5e94449ce5c7a2d915/n8n/pdfSummary.json — original creator credit. Request a take-down →

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