Automated Telegram Crypto Alerts

The workflow JSON

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{
  "nodes": [
    {
      "id": "f305e08e-d4b4-4ec6-be74-5edb7a3711e5",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        520,
        1279
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes"
            }
          ]
        }
      },
      "typeVersion": 1.1
    },
    {
      "id": "abac20ef-6319-40e3-8d30-806d7499a427",
      "name": "Send Telegram Message",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1360,
        1279
      ],
      "parameters": {
        "text": "={{ $json.data.replaceAll(/(Last Price: \\S+)$/gm,\"$1\\n\").slice(0,1000) }}",
        "chatId": "-1002138086614",
        "additionalFields": {}
      },
      "typeVersion": 1
    },
    {
      "id": "d23c3277-62ca-4e1f-ad5d-48c07e0d6b94",
      "name": "Aggregate",
      "type": "n8n-nodes-base.aggregate",
      "notes": "Combine all items",
      "position": [
        1020,
        1279
      ],
      "parameters": {
        "options": {},
        "aggregate": "aggregateAllItemData"
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "id": "ba174e7f-4377-46dc-aca8-30adf81e5d61",
      "name": "Binance 24h Price Change",
      "type": "n8n-nodes-base.httpRequest",
      "notes": "Get data of changed price coins in last 24h",
      "position": [
        680,
        1279
      ],
      "parameters": {
        "url": "https://api.binance.com/api/v1/ticker/24hr",
        "options": {}
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "id": "575563d5-3fb5-40f3-8017-d015cc822d5f",
      "name": "Filter by 10% Change rate",
      "type": "n8n-nodes-base.function",
      "notes": "Filter by 10% Up & Down",
      "position": [
        860,
        1279
      ],
      "parameters": {
        "functionCode": "// Iterate over all coins and check for 10% price change\nconst significantChanges = [];\nfor (const coin of items[0].json) {\n  const priceChangePercent = parseFloat(coin.priceChangePercent);\n  if (Math.abs(priceChangePercent) >= 15) {\n    significantChanges.push({ \n      symbol: coin.symbol, \n      priceChangePercent, \n      lastPrice: coin.lastPrice \n    });\n  }\n}\n\n// Sort the items by percent rate from high to low\nsignificantChanges.sort((a, b) => b.priceChangePercent - a.priceChangePercent);\n\n// Format the sorted data for output\nconst sortedOutput = significantChanges.map(change => ({\n  json: { message: `\\`\\`\\`${change.symbol} Price changed by ${change.priceChangePercent}% \\n Last Price: ${change.lastPrice}\\`\\`\\`` }\n}));\n\nreturn sortedOutput;\n"
      },
      "notesInFlow": true,
      "typeVersion": 1
    },
    {
      "id": "dcfeae2e-bcdd-472d-98e4-8c1772ccdf1b",
      "name": "Split By 1K chars",
      "type": "n8n-nodes-base.code",
      "notes": "Split them for telegram message limit",
      "position": [
        1180,
        1279
      ],
      "parameters": {
        "jsCode": "// Function to split the data into chunks of approximately 1000 characters\nfunction splitDataIntoChunks(data) {\n    const chunks = [];\n    let currentChunk = \"\";\n\n    data.forEach(item => {\n        // Ensure that each item has a 'message' property\n        if (item && item.message) {\n            const message = item.message + \"\\n\"; // Adding a newline for separation\n            // Check if adding this message to the current chunk would exceed the 1000 characters limit\n            if (currentChunk.length + message.length > 1000) {\n                // If so, push the current chunk to the chunks array and start a new chunk\n                chunks.push({ json: { data: currentChunk } });\n                currentChunk = message;\n            } else {\n                // Otherwise, add the message to the current chunk\n                currentChunk += message;\n            }\n        }\n    });\n\n    // Add the last chunk if it's not empty\n    if (currentChunk) {\n        chunks.push({ json: { data: currentChunk } });\n    }\n\n    return chunks;\n}\n\n// The input data is passed from the previous node\nconst inputData = items[0].json.data; // Accessing the 'data' property\n\n// Process the data\nconst result = splitDataIntoChunks(inputData);\n\n// Output the result\nreturn result;\n"
      },
      "notesInFlow": true,
      "typeVersion": 2
    },
    {
      "id": "40e25c71-641a-4b69-afec-b8a93d5d6448",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        483.54457851446114,
        1040
      ],
      "parameters": {
        "color": 5,
        "width": 1040.928205084989,
        "height": 183.94838465674636,
        "content": "### Workflow Setup Steps:\n1. Ensure the **_Schedule Trigger_** is active to desired cron time (Default 5 minutes).\n2. [_Optional_] Configure the **_Binance 24h Price Change_** node with your API details (Default one is Free Public API Call - Free).\n3. Set up your **Telegram bot** token in the **Telegram node credentials**.\n4. Update the **_Chat ID_** in the **_Send Telegram Message_** node.\n5. Test the workflow to ensure everything is set up correctly.\n* **Notes**: Detailed telegram bot setup instructions are available in the [workflow's n8n page](https://n8n.io/workflows/2043-crypto-market-alert-system-with-binance-and-telegram-integration)."
      },
      "typeVersion": 1
    }
  ],
  "connections": {
    "Aggregate": {
      "main": [
        [
          {
            "node": "Split By 1K chars",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Binance 24h Price Change",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Split By 1K chars": {
      "main": [
        [
          {
            "node": "Send Telegram Message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Binance 24h Price Change": {
      "main": [
        [
          {
            "node": "Filter by 10% Change rate",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filter by 10% Change rate": {
      "main": [
        [
          {
            "node": "Aggregate",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

Telegram Code. Uses scheduleTrigger, telegram, httpRequest, stickyNote. Scheduled trigger; 7 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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