{
  "name": "Send a Telegram Message from a Webhook",
  "nodes": [
    {
      "name": "Receive a message by GET",
      "type": "n8n-nodes-base.webhook",
      "position": [
        100,
        240
      ],
      "parameters": {
        "authentication": "none",
        "httpMethod": "GET",
        "path": "send-telegram-message-from-webhook",
        "responseMode": "lastNode",
        "responseData": "firstEntryJson",
        "options": {
          "responsePropertyName": "response",
          "responseContentType": "text/plain; charset=utf-8"
        }
      },
      "typeVersion": 1,
      "id": "send-telegram-message-from-webhook-webhook"
    },
    {
      "id": "send-telegram-message-from-webhook-query",
      "name": "Read the message and private chat",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        340,
        240
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function telegramWebhookQuery({ query, chatId }) {\n  const text = query?.parameter;\n  if (typeof text !== 'string' || !text.trim() || text.length > 4096) throw new Error('Supply one nonempty parameter query value of at most 4096 characters');\n  const recipient = typeof chatId === 'number' ? String(chatId) : chatId;\n  if (typeof recipient !== 'string' || !/^[1-9][0-9]*$/.test(recipient) || !Number.isSafeInteger(Number(recipient))) throw new Error('Configure the original recipient’s positive numeric private chat ID');\n  return { text, chatId: recipient };\n}\n\nreturn {json:telegramWebhookQuery({query:$json.query,chatId:$(\"Send the Telegram message\").params.chatId})};"
      }
    },
    {
      "id": "send-telegram-message-from-webhook-send",
      "name": "Send the Telegram message",
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1,
      "position": [
        580,
        240
      ],
      "parameters": {
        "resource": "message",
        "operation": "sendMessage",
        "chatId": "YOUR_TELEGRAM_CHAT_ID",
        "text": "={{ $json.text }}",
        "replyMarkup": "none",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      }
    },
    {
      "id": "send-telegram-message-from-webhook-confirm",
      "name": "Confirm the private message",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        820,
        240
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function telegramWebhookConfirmation({ message, text, chatId }) {\n  if (!message || !Number.isSafeInteger(message.messageId) || message.messageId <= 0 || !Number.isSafeInteger(message.date) || message.date < 0 || message.chat?.type !== 'private' || String(message.chat.id) !== String(chatId) || typeof message.chat.firstName !== 'string' || !message.chat.firstName.trim()) throw new Error('Telegram did not confirm the message in the configured private chat with its recipient’s first name; sending may already have occurred');\n  if (typeof text !== 'string' || !text) throw new Error('The original message text is missing');\n  return { message, response: 'Sent message to ' + message.chat.firstName + ': \"' + text + '\"' };\n}\n\nif($json.ok!==true)throw new Error(\"Telegram did not confirm the send; a message may already exist\");const input=$(\"Read the message and private chat\").first().json;const result=telegramWebhookConfirmation({message:{messageId:$json.result?.message_id,date:$json.result?.date,chat:{id:$json.result?.chat?.id,type:$json.result?.chat?.type,firstName:$json.result?.chat?.first_name}},text:input.text,chatId:input.chatId});return {json:{...$json,response:result.response}};"
      }
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "connections": {
    "Receive a message by GET": {
      "main": [
        [
          {
            "node": "Read the message and private chat",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read the message and private chat": {
      "main": [
        [
          {
            "node": "Send the Telegram message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send the Telegram message": {
      "main": [
        [
          {
            "node": "Confirm the private message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "pinData": {}
}