Matrix Room Creator with Invites & Messages

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": "83",
  "name": "Create a room, invite members from a different room, and send a message in the room we created",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        240,
        300
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Matrix",
      "type": "n8n-nodes-base.matrix",
      "position": [
        400,
        300
      ],
      "parameters": {
        "resource": "room",
        "roomName": "n8n",
        "roomAlias": "discussion-n8n"
      },
      "credentials": {
        "matrixApi": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "IF",
      "type": "n8n-nodes-base.if",
      "position": [
        840,
        300
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"Matrix1\"].json[\"user_id\"]}}",
              "value2": "={{$node[\"Matrix2\"].json[\"user_id\"]}}",
              "operation": "notEqual"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Matrix3",
      "type": "n8n-nodes-base.matrix",
      "position": [
        990,
        200
      ],
      "parameters": {
        "roomId": "={{$node[\"Matrix\"].json[\"room_id\"]}}",
        "userId": "={{$node[\"IF\"].json[\"user_id\"]}}",
        "resource": "room",
        "operation": "invite"
      },
      "credentials": {
        "matrixApi": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Matrix4",
      "type": "n8n-nodes-base.matrix",
      "position": [
        1140,
        200
      ],
      "parameters": {
        "text": "Welcome to n8n!",
        "roomId": "={{$node[\"Matrix\"].json[\"room_id\"]}}"
      },
      "credentials": {
        "matrixApi": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "NoOp",
      "type": "n8n-nodes-base.noOp",
      "position": [
        990,
        400
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Matrix1",
      "type": "n8n-nodes-base.matrix",
      "position": [
        540,
        300
      ],
      "parameters": {
        "resource": "account"
      },
      "credentials": {
        "matrixApi": "<your credential>"
      },
      "typeVersion": 1,
      "continueOnFail": true
    },
    {
      "name": "Matrix2",
      "type": "n8n-nodes-base.matrix",
      "position": [
        690,
        300
      ],
      "parameters": {
        "roomId": "!cMUIsUgevrhCoeMkSG:matrix.org",
        "filters": {},
        "resource": "roomMember"
      },
      "credentials": {
        "matrixApi": "<your credential>"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "IF": {
      "main": [
        [
          {
            "node": "Matrix3",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "NoOp",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Matrix": {
      "main": [
        [
          {
            "node": "Matrix1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Matrix1": {
      "main": [
        [
          {
            "node": "Matrix2",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Matrix2": {
      "main": [
        [
          {
            "node": "IF",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Matrix3": {
      "main": [
        [
          {
            "node": "Matrix4",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Matrix",
            "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.

• matrixApi

About this workflow

Create a room, invite members from a different room, and send a message in the room we created. Uses manualTrigger, matrix, noOp. Event-driven trigger; 8 nodes.

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

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