Lemlist + GPT-3: Classify Email Replies

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 →

{
  "nodes": [
    {
      "id": "44b2e0ac-1ec9-4acd-bf00-7e280378b8df",
      "name": "Lemlist - Unsubscribe",
      "type": "n8n-nodes-base.lemlist",
      "position": [
        1300,
        -180
      ],
      "parameters": {
        "email": "={{ $json[\"leadEmail\"] }}",
        "resource": "lead",
        "operation": "unsubscribe",
        "campaignId": "={{$json[\"campaignId\"]}}"
      },
      "credentials": {
        "lemlistApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "75dd6db8-5e59-4521-a4be-2272e2914494",
      "name": "follow up task",
      "type": "n8n-nodes-base.hubspot",
      "position": [
        1520,
        640
      ],
      "parameters": {
        "type": "task",
        "metadata": {
          "subject": "=OOO - Follow up with {{ $json[\"properties\"][\"firstname\"][\"value\"] }} {{ $json[\"properties\"][\"lastname\"][\"value\"] }}"
        },
        "resource": "engagement",
        "authentication": "oAuth2",
        "additionalFields": {
          "associations": {
            "contactIds": "={{ $json[\"vid\"] }}"
          }
        }
      },
      "credentials": {
        "hubspotOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "0ba95d5d-fe73-4687-8e21-02b97b19924f",
      "name": "Switch",
      "type": "n8n-nodes-base.switch",
      "position": [
        380,
        300
      ],
      "parameters": {
        "rules": {
          "rules": [
            {
              "value2": "Unsubscribe"
            },
            {
              "output": 1,
              "value2": "Interested"
            },
            {
              "output": 2,
              "value2": "Out of Office"
            }
          ]
        },
        "value1": "={{ $json[\"text\"].trim() }}",
        "dataType": "string",
        "fallbackOutput": 3
      },
      "typeVersion": 1
    },
    {
      "id": "abdb4925-4b2a-48e0-aa3d-042e1112150a",
      "name": "Merge",
      "type": "n8n-nodes-base.merge",
      "position": [
        140,
        300
      ],
      "parameters": {
        "mode": "combine",
        "options": {
          "clashHandling": {
            "values": {
              "resolveClash": "preferInput1"
            }
          }
        },
        "combinationMode": "mergeByPosition"
      },
      "typeVersion": 2
    },
    {
      "id": "b911bd29-9141-43ac-87d4-3922be5cbe5c",
      "name": "lemlist - Mark as interested",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1300,
        160
      ],
      "parameters": {
        "url": "=https://api.lemlist.com/api/campaigns/YOUR_CAMPAIGN_ID/leads/{{$json[\"leadEmail\"]}}/interested",
        "options": {},
        "requestMethod": "POST",
        "authentication": "predefinedCredentialType",
        "nodeCredentialType": "lemlistApi"
      },
      "credentials": {
        "lemlistApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 2
    },
    {
      "id": "510adb64-fb3a-4d56-abf3-ab9cc0d3e683",
      "name": "HubSpot - Create Deal",
      "type": "n8n-nodes-base.hubspot",
      "position": [
        1520,
        380
      ],
      "parameters": {
        "stage": "79009480",
        "authentication": "oAuth2",
        "additionalFields": {
          "dealName": "=New Deal with {{ $json[\"identity-profiles\"][0][\"identities\"][0][\"value\"] }}",
          "associatedVids": "={{$json[\"canonical-vid\"]}}"
        }
      },
      "credentials": {
        "hubspotOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "635e40a2-0546-4c3e-8080-26d72fc5ea35",
      "name": "HubSpot - Get contact ID",
      "type": "n8n-nodes-base.hubspot",
      "position": [
        1300,
        380
      ],
      "parameters": {
        "email": "={{ $json[\"leadEmail\"] }}",
        "resource": "contact",
        "authentication": "oAuth2",
        "additionalFields": {
          "lastName": "={{ $json[\"leadLastName\"] }}",
          "firstName": "={{ $json[\"leadFirstName\"] }}"
        }
      },
      "credentials": {
        "hubspotOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "a072f9bb-09ca-4edb-b4ae-76c768be681f",
      "name": "Slack",
      "type": "n8n-nodes-base.slack",
      "position": [
        1740,
        380
      ],
      "parameters": {
        "text": "=Hello a new lead is interested. \n\nMore info in Hubspot here: \nhttps://app-eu1.hubspot.com/contacts/25897606/deal/{{$json[\"dealId\"]}}",
        "channel": "Your channel name",
        "attachments": [],
        "otherOptions": {},
        "authentication": "oAuth2"
      },
      "typeVersion": 1
    },
    {
      "id": "db18ac14-8e18-4d86-853d-19590a09b7cc",
      "name": "HubSpot - Get contact ID1",
      "type": "n8n-nodes-base.hubspot",
      "position": [
        1300,
        640
      ],
      "parameters": {
        "email": "={{ $json[\"leadEmail\"] }}",
        "resource": "contact",
        "authentication": "oAuth2",
        "additionalFields": {
          "lastName": "={{ $json[\"leadLastName\"] }}",
          "firstName": "={{ $json[\"leadFirstName\"] }}"
        }
      },
      "credentials": {
        "hubspotOAuth2Api": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "9153abd0-4606-423c-8e9b-7cdcf7a9c490",
      "name": "Slack1",
      "type": "n8n-nodes-base.slack",
      "position": [
        1300,
        900
      ],
      "parameters": {
        "text": "=Hello a lead replied to your emails. \n\nMore info in lemlist here: \nhttps://app.lemlist.com/teams/{{$json[\"teamId\"]}}/reports/campaigns/{{$json[\"campaignId\"]}}",
        "channel": "Your channel name",
        "attachments": [],
        "otherOptions": {},
        "authentication": "oAuth2"
      },
      "typeVersion": 1
    },
    {
      "id": "42b93264-df66-4528-ab02-c038ea0d8758",
      "name": "Lemlist - Lead Replied",
      "type": "n8n-nodes-base.lemlistTrigger",
      "position": [
        -520,
        320
      ],
      "parameters": {
        "event": "emailsReplied",
        "options": {
          "isFirst": true
        }
      },
      "credentials": {
        "lemlistApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "c3b52828-e6d6-41a0-b9ca-101cec379dbf",
      "name": "OpenAI",
      "type": "n8n-nodes-base.openAi",
      "position": [
        -240,
        140
      ],
      "parameters": {
        "prompt": "=The following is a list of emails and the categories they fall into:\nCategories=[\"interested\", \"Out of office\", \"unsubscribe\", \"other\"]\n\nInterested is when the reply is positive.\"\n\n{{$json[\"text\"].replaceAll(/^\\s+|\\s+$/g, '').replace(/(\\r\\n|\\n|\\r)/gm, \"\")}}\\\"\nCategory:",
        "options": {
          "topP": 1,
          "maxTokens": 6,
          "temperature": 0
        }
      },
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    }
  ],
  "connections": {
    "Merge": {
      "main": [
        [
          {
            "node": "Switch",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Switch": {
      "main": [
        [
          {
            "node": "Lemlist - Unsubscribe",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "lemlist - Mark as interested",
            "type": "main",
            "index": 0
          },
          {
            "node": "HubSpot - Get contact ID",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "HubSpot - Get contact ID1",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Slack1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HubSpot - Create Deal": {
      "main": [
        [
          {
            "node": "Slack",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Lemlist - Lead Replied": {
      "main": [
        [
          {
            "node": "OpenAI",
            "type": "main",
            "index": 0
          },
          {
            "node": "Merge",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "HubSpot - Get contact ID": {
      "main": [
        [
          {
            "node": "HubSpot - Create Deal",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HubSpot - Get contact ID1": {
      "main": [
        [
          {
            "node": "follow up task",
            "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.

• hubspotOAuth2Api
• lemlistApi
• openAiApi

About this workflow

Use GPT-3 to classify email responses in lemlist.

Source: https://n8n.io/workflows/1838/ — original creator credit. Request a take-down →

More AI & RAG workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.