Flow (mailchimp)

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 →

{
  "schemaVersion": 1,
  "trigger": {
    "id": "t_event_end",
    "type": "webhook",
    "graphCoordinates": {
      "x": 0,
      "y": 0
    },
    "appEvent": "eventbrite.event.ended",
    "options": {
      "path": "/webhooks/eventbrite-end",
      "method": "POST",
      "enabled": true
    }
  },
  "nodes": [
    {
      "id": "n_webhook",
      "name": "Eventbrite Event Ended",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        0,
        0
      ],
      "parameters": {
        "httpMethod": "POST",
        "path": "eventbrite-end",
        "responseMode": "onReceived"
      }
    },
    {
      "id": "n_extract",
      "name": "Extract Event",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        240,
        0
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "eventId",
              "value": "={{ $json.event_id }}"
            }
          ]
        }
      }
    },
    {
      "id": "n_wait_24h",
      "name": "Wait 24h",
      "type": "n8n-nodes-base.wait",
      "typeVersion": 1,
      "position": [
        480,
        0
      ],
      "parameters": {
        "amount": 24,
        "unit": "hours"
      }
    },
    {
      "id": "n_attendees",
      "name": "Pull Attendees",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4,
      "position": [
        720,
        0
      ],
      "parameters": {
        "method": "GET",
        "url": "=https://www.eventbriteapi.com/v3/events/{{ $node['Extract Event'].json.eventId }}/attendees/"
      },
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      }
    },
    {
      "id": "n_split",
      "name": "Per Attendee",
      "type": "n8n-nodes-base.splitInBatches",
      "typeVersion": 2,
      "position": [
        960,
        0
      ],
      "parameters": {
        "batchSize": 1
      }
    },
    {
      "id": "n_sendgrid",
      "name": "Typeform NPS Email",
      "type": "n8n-nodes-base.sendGrid",
      "typeVersion": 1,
      "position": [
        1200,
        0
      ],
      "parameters": {
        "resource": "mail",
        "operation": "send",
        "fromEmail": "={{ $vars.FROM_EMAIL }}",
        "toEmail": "={{ $json.profile.email }}",
        "subject": "How was the event?",
        "contentType": "text/html",
        "content": "<p>Take 30 seconds: <a href=\"{{ $vars.TYPEFORM_URL }}?email={{ $json.profile.email }}\">share your feedback</a>.</p>"
      },
      "credentials": {
        "sendGridApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "id": "n_mongo",
      "name": "Mongo NPS Send Log",
      "type": "n8n-nodes-base.mongoDb",
      "typeVersion": 1,
      "position": [
        1440,
        0
      ],
      "parameters": {
        "operation": "insert",
        "collection": "nps_sends",
        "fields": "eventId,email,sentAt"
      },
      "credentials": {
        "mongoDb": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "n_webhook": {
      "main": [
        [
          {
            "node": "n_extract",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "n_extract": {
      "main": [
        [
          {
            "node": "n_wait_24h",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "n_wait_24h": {
      "main": [
        [
          {
            "node": "n_attendees",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "n_attendees": {
      "main": [
        [
          {
            "node": "n_split",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "n_split": {
      "main": [
        [
          {
            "node": "n_sendgrid",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "n_sendgrid": {
      "main": [
        [
          {
            "node": "n_mongo",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "groups": [
    {
      "id": "g_main",
      "title": "Main",
      "graphCoordinates": {
        "x": 0,
        "y": 0
      },
      "blockIds": [
        "n_webhook",
        "n_extract",
        "n_wait_24h",
        "n_attendees",
        "n_split",
        "n_sendgrid",
        "n_mongo"
      ]
    }
  ],
  "variables": [
    {
      "id": "v_from",
      "name": "FROM_EMAIL",
      "defaultValue": "events@example.com"
    },
    {
      "id": "v_tf",
      "name": "TYPEFORM_URL",
      "defaultValue": "https://form.typeform.com/to/abc"
    }
  ],
  "events": [],
  "settings": {
    "executionOrder": "v1"
  }
}

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.

• airtableApi
• mailchimpApi
• slackOAuth2Api

About this workflow

Flow. Uses mailchimp, airtable, slack. Webhook trigger; 5 nodes.

Source: https://github.com/shaktisingh204/wachat/blob/0e465515a2c0fefc81bdd0da6692127e7e9bd789/templates/mailgun-bounce-cleanup/flow.json — original creator credit. Request a take-down →

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