{
  "id": "AlEVIPHR3dMJkYWt",
  "meta": {
    "instanceId": "workflow-c496248d",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:56.924266",
    "updatedAt": "2025-09-29T07:07:56.924288",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Monitor USDT ERC-20 Wallet Balance with Etherscan and Telegram Notifications",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "35b62ca1-3603-4dcb-a3b5-77e1325c78f7",
      "name": "Balance Changed?",
      "type": "n8n-nodes-base.if",
      "position": [
        -40,
        0
      ],
      "parameters": {
        "conditions": {
          "boolean": [
            {
              "value1": "={{$json.balanceChanged}}",
              "value2": true
            }
          ]
        }
      },
      "typeVersion": 1,
      "notes": "This if node performs automated tasks as part of the workflow."
    },
    {
      "id": "dfeef0d5-0bb2-40a1-ae75-51d7caeb9c3d",
      "name": "Balance Changed.",
      "type": "n8n-nodes-base.telegram",
      "position": [
        320,
        -140
      ],
      "webhookId": "a8fa72ce-638b-4245-bcbc-d59948ae1144",
      "parameters": {
        "text": "=🚨 *USDT Balance Change!*\n\nWallet Address: {{ $json.walletAddress }}\n\n🔴 Previous Balance: {{parseFloat($json.previousBalance)/1e6}} USDT\n\n🟢 New Balance: {{parseFloat($json.currentBalance)/1e6}} USDT",
        "chatId": "< Your Telegram Chat ID >",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "Ge3vEXak2MymWtcp",
          "name": "Telegram account"
        }
      },
      "typeVersion": 1,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "ffebdb46-a6f0-4ed8-88ed-75ab427af969",
      "name": "Balance Not Changed.",
      "type": "n8n-nodes-base.telegram",
      "position": [
        320,
        20
      ],
      "webhookId": "a8fa72ce-638b-4245-bcbc-d59948ae1144",
      "parameters": {
        "text": "=Balance Unchanged. USDT balance remained stable.",
        "chatId": "< Your Telegram Chat ID >",
        "additionalFields": {
          "parse_mode": "Markdown"
        }
      },
      "typeVersion": 1,
      "notes": "This telegram node performs automated tasks as part of the workflow."
    },
    {
      "id": "049ff717-ba10-4b7f-9f84-9eaaeee902ec",
      "name": "userData",
      "type": "n8n-nodes-base.set",
      "position": [
        -780,
        0
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "4455d1e7-a489-4ab6-a526-4fc755db99d0",
              "name": "Your Wallet Address",
              "type": "string",
              "value": "< Wallet Address Paste Here >"
            },
            {
              "id": "3d84deba-8093-42cf-833f-6891db778de7",
              "name": "Your Etherscan Api Key",
              "type": "string",
              "value": "< Etherscan Api Key Paste Here>"
            },
            {
              "id": "971ea723-e3de-4cff-b4e7-5899f3d8fb00",
              "name": "USDT ERC-20 Token Address",
              "type": "string",
              "value": "0xdAC17F958D2ee523a2206206994597C13D831ec7"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "0488f2dd-6b71-4be5-9ce8-cf0763b82990",
      "name": "balanceChecker",
      "type": "n8n-nodes-base.code",
      "position": [
        -280,
        0
      ],
      "parameters": {
        "jsCode": "const staticData = $getWorkflowStaticData('global');\n\nconst currentBalance = items[0].json.result;\n\nconst walletAddress = $('userData').first().json['Your Wallet Address']\n\nlet previousBalance = staticData.previousBalance;\n\nif (!previousBalance) {\n  staticData.previousBalance = currentBalance;\n  previousBalance = currentBalance;\n}\n\nconst balanceChanged = previousBalance !== currentBalance;\n\nstaticData.previousBalance = currentBalance;\n\nreturn [{json: {balanceChanged, previousBalance, currentBalance, walletAddress}}];"
      },
      "typeVersion": 2,
      "notes": "This code node performs automated tasks as part of the workflow."
    },
    {
      "id": "d7b23d5b-b4c5-4d9a-93f9-360ae0d539c7",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1040,
        -180
      ],
      "parameters": {
        "color": 4,
        "width": 1540,
        "height": 400,
        "content": "## USDT ERC-20 Wallet Balance Tracker\n**This workflow** Is a basic concept of integrating your ERC-20 wallet with n8n nodes."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "7c8f0d69-6c37-469c-b466-89a467db9bbd",
      "name": "Check Balance Every 5 Minutes",
      "type": "n8n-nodes-base.cron",
      "position": [
        -1000,
        0
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyX",
              "unit": "minutes",
              "value": 5
            }
          ]
        }
      },
      "typeVersion": 1,
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "id": "ea603f03-25e0-4c80-90f2-eb5f09e71ad1",
      "name": "Fetch USDT Balance from Etherscan",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -480,
        0
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "options": {},
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "module",
              "value": "account"
            },
            {
              "name": "action",
              "value": "tokenbalance"
            },
            {
              "name": "address",
              "value": "={{ $json['Your Wallet Address'] }}"
            },
            {
              "name": "tag",
              "value": "latest"
            },
            {
              "name": "apikey",
              "value": "={{ $json['Your Etherscan Api Key'] }}"
            },
            {
              "name": "contractaddress",
              "value": "={{ $json['USDT ERC-20 Token Address'] }}"
            }
          ]
        }
      },
      "typeVersion": 3,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
  },
  "versionId": "7ebf18de-7adf-40dd-99b4-ff8dd1e37f08",
  "connections": {
    "ea603f03-25e0-4c80-90f2-eb5f09e71ad1": {
      "main": [
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-57db0e2d",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-cc803725",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-ba065fb9",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-e3607277",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-6daf2c4d",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-0978ded1",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-38358f53",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-ea603f03-25e0-4c80-90f2-eb5f09e71ad1-d07b6bf7",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "dfeef0d5-0bb2-40a1-ae75-51d7caeb9c3d": {
      "main": [
        [
          {
            "node": "error-handler-dfeef0d5-0bb2-40a1-ae75-51d7caeb9c3d-3f13881c",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "ffebdb46-a6f0-4ed8-88ed-75ab427af969": {
      "main": [
        [
          {
            "node": "error-handler-ffebdb46-a6f0-4ed8-88ed-75ab427af969-9a88c29f",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "description": "Automated workflow: Monitor USDT ERC-20 Wallet Balance with Etherscan and Telegram Notifications. This workflow integrates 8 different services: stickyNote, httpRequest, telegram, code, set. It contains 12 nodes and follows best practices for error handling and security.",
  "notes": "Excellent quality workflow: Monitor USDT ERC-20 Wallet Balance with Etherscan and Telegram Notifications. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}