Auto-moderate Instagram Comments with Perspective API & Slack Alerts

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 →

{
  "id": "m2mL2bEzyCxMyMUm",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "Instagram Toxic Comment Moderation & Auto-Defense Workflow",
  "tags": [],
  "nodes": [
    {
      "id": "042e2d57-9f5b-4990-9f8c-96c571f4afb9",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.cron",
      "position": [
        -544,
        240
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "fbcd13d4-752b-47bf-9486-83c6d4d0ba36",
      "name": "Get Comments",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -96,
        336
      ],
      "parameters": {
        "url": "=https://graph.facebook.com/v12.0/{{$node[\"Get Instagram Posts\"].json[\"data\"][0][\"id\"]}}/comments?access_token=YOUR_INSTAGRAM_ACCESS_TOKEN",
        "options": {},
        "authentication": "headerAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "4f906e36-0ce8-4fdf-a1e3-f6eafdec200a",
      "name": "Detect Toxicity",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        352,
        336
      ],
      "parameters": {
        "url": "https://api.moderatehate.com/v1/toxicity",
        "options": {},
        "requestMethod": "POST",
        "jsonParameters": true,
        "bodyParametersJson": "={\"comment\": {\"text\": \"{{$json[\"text\"]}}\"}, \"requestedAttributes\": {\"TOXICITY\": {}}, \"clientToken\": \"YOUR_PERSPECTIVE_API_KEY\"}"
      },
      "typeVersion": 1
    },
    {
      "id": "7ee26cdf-d244-4e29-b501-fd938ad9ccc7",
      "name": "IF Toxic",
      "type": "n8n-nodes-base.if",
      "position": [
        576,
        336
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$json[\"attributeScores\"][\"TOXICITY\"][\"summaryScore\"][\"value\"]}}",
              "value2": 0.7,
              "operation": "larger"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "2dec3548-e9b4-4706-98c3-2b6a09c08812",
      "name": "Hide Comment",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        800,
        48
      ],
      "parameters": {
        "url": "=https://graph.facebook.com/v12.0/{{$json[\"id\"]}}?access_token=YOUR_INSTAGRAM_ACCESS_TOKEN",
        "options": {},
        "requestMethod": "POST",
        "jsonParameters": true,
        "bodyParametersJson": "={\"hide\": true}"
      },
      "typeVersion": 1
    },
    {
      "id": "bfc8fd2d-d547-4bd4-acea-c5e5df672ab4",
      "name": "Alert Team (Slack)",
      "type": "n8n-nodes-base.slack",
      "position": [
        800,
        240
      ],
      "parameters": {
        "text": "=Toxic Comment Detected!\nText: {{$json[\"text\"]}}\nUser: {{$json[\"username\"]}}\nToxicity Score: {{$node[\"Detect Toxicity\"].json[\"attributeScores\"][\"TOXICITY\"][\"summaryScore\"][\"value\"]}}\nPost ID: {{$node[\"Get Instagram Posts\"].json[\"data\"][0][\"id\"]}}",
        "channel": "your-slack-channel",
        "attachments": [],
        "otherOptions": {}
      },
      "credentials": {
        "slackApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "90946996-b976-40a5-a80d-f869b79b30c3",
      "name": "Store Evidence (Google Sheet)",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        800,
        432
      ],
      "parameters": {
        "range": "A:Z",
        "options": {},
        "sheetId": {
          "__rl": true,
          "mode": "list",
          "value": "your-google-sheet-id",
          "cachedResultName": "Your Evidence Sheet"
        },
        "operation": "append"
      },
      "credentials": {
        "googleApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "b31bf33e-5be7-41da-be9b-89cac55e33dd",
      "name": "End (Non-Toxic Path)",
      "type": "n8n-nodes-base.set",
      "position": [
        800,
        624
      ],
      "parameters": {
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "id": "2452c3a8-68ef-4e46-b2c3-04b10e76c2e9",
      "name": "Get Instagram Posts",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -320,
        336
      ],
      "parameters": {
        "url": "https://graph.facebook.com/v12.0/YOUR_INSTAGRAM_BUSINESS_ACCOUNT_ID/media?access_token=YOUR_TOKEN_HERE",
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "id": "c07fa30c-3c9b-46b6-9cd7-bd186ad641bd",
      "name": "Loop Over Comments",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        128,
        336
      ],
      "parameters": {
        "options": {},
        "batchSize": 1
      },
      "typeVersion": 1
    },
    {
      "id": "d0b8d990-b005-4827-8033-54c5649db2ec",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -544,
        432
      ],
      "parameters": {
        "path": "8a81934f-bd1e-400e-9eb4-bb540db73b2b",
        "options": {}
      },
      "typeVersion": 2.1
    },
    {
      "id": "c9200031-8fa3-4c6e-9684-1ea457cd3cfa",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -608,
        32
      ],
      "parameters": {
        "width": 432,
        "height": 528,
        "content": "A Schedule node runs every 15 minutes to poll for new comments (Instagram doesn't natively push notifications easily, so polling is used). You could replace this with a Webhook if you set up Instagram webhooks via Graph API."
      },
      "typeVersion": 1
    },
    {
      "id": "8f5a8cfd-09ac-4d23-a1c1-7f1246f1becb",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -144,
        32
      ],
      "parameters": {
        "color": 5,
        "width": 416,
        "height": 528,
        "content": "Uses Instagram Graph API (via HTTP Request) to fetch recent posts and their comments. Assumes you have an Instagram Business Account and a valid access token (from Facebook Developer Portal)."
      },
      "typeVersion": 1
    },
    {
      "id": "57d6f1fe-6179-4425-b661-aec2c1dc735d",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        288,
        32
      ],
      "parameters": {
        "width": 416,
        "height": 528,
        "content": "For each comment, it sends the text to Google's Perspective API (a free toxicity detection API; sign up at https://perspectiveapi.com/ for an API key). Threshold for \"toxic\" is set to >0.7 toxicity score (configurable)."
      },
      "typeVersion": 1
    },
    {
      "id": "e2b718f0-28ea-4bf1-a5d5-26e84be318c9",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        752,
        -224
      ],
      "parameters": {
        "color": 5,
        "height": 992,
        "content": "**Auto-Hide Offensive Ones**: If toxic, uses Instagram API to hide the comment.\n\n**Alert Team**: Sends a Slack notification (or email; configurable) with details.\n\n**Store Evidence**: Appends the toxic comment details (text, user, score, timestamp) to a Google Sheet for auditing."
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "a867b0b0-5297-42da-aa5c-f2dca4f413f9",
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Get Instagram Posts",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "IF Toxic": {
      "main": [
        [
          {
            "node": "Hide Comment",
            "type": "main",
            "index": 0
          },
          {
            "node": "Alert Team (Slack)",
            "type": "main",
            "index": 0
          },
          {
            "node": "Store Evidence (Google Sheet)",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "End (Non-Toxic Path)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Comments": {
      "main": [
        [
          {
            "node": "Loop Over Comments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Detect Toxicity": {
      "main": [
        [
          {
            "node": "IF Toxic",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Get Instagram Posts",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Loop Over Comments": {
      "main": [
        [
          {
            "node": "Detect Toxicity",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Instagram Posts": {
      "main": [
        [
          {
            "node": "Get Comments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

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.

• googleApi
• httpHeaderAuth
• slackApi

About this workflow

Automatically detects and hides hate speech/toxic comments, alerts your team, and logs flagged content for review. Trigger: A Schedule node runs every 15 minutes to poll for new comments (Instagram doesn't natively push notifications easily, so polling is used). You could…

Source: https://n8n.io/workflows/10319/ — original creator credit. Request a take-down →

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