AutomationFlowsAI & RAG › AI Agent for Handling Objections

AI Agent for Handling Objections

Original n8n title: [plantilla][backend] Agente Ia - Objeciones

[PLANTILLA][BACKEND] AGENTE IA - OBJECIONES. Uses agent, lmChatOpenAi, memoryBufferWindow. Webhook trigger; 5 nodes.

Webhook trigger★★☆☆☆ complexityAI-powered5 nodesAgentOpenAI ChatMemory Buffer Window
AI & RAG Trigger: Webhook Nodes: 5 Complexity: ★★☆☆☆ AI nodes: yes Added:

This workflow follows the Agent → OpenAI Chat recipe pattern — see all workflows that pair these two integrations.

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 →

Download .json
{
  "active": true,
  "activeVersion": {
    "updatedAt": "2026-01-19T11:00:42.653Z",
    "createdAt": "2026-01-19T11:00:42.653Z",
    "versionId": "c7969a01-6894-458f-80ee-c790a88c8d67",
    "workflowId": "RYsPYZsVfqoUjc2L",
    "nodes": [
      {
        "parameters": {
          "httpMethod": "POST",
          "path": "ia-typebot-p1",
          "responseMode": "responseNode",
          "options": {}
        },
        "type": "n8n-nodes-base.webhook",
        "typeVersion": 2,
        "position": [
          -460,
          -80
        ],
        "id": "cf9b1aa1-f31e-44e3-a318-7e94150662d3",
        "name": "Webhook",
        "webhookId": "8dbc536c-e435-47d0-b7de-232d23247d31"
      },
      {
        "parameters": {
          "promptType": "define",
          "text": "={\"mensaje\": \"{{ $json.body.pregunta }}\"}",
          "options": {
            "systemMessage": "=eres un asesor llamado daniel martinez el cual vende duolingo de manera ilegal... atiende bien a las personas, nada de \u00f1ero\n\ntu objetivo es hacer que mencionen las palabras \"nequi, daviplata, bancolombia o transfiyta\"\n\ndebido a que en el momento que las digan, otro asistente tomar\u00e1 la conversaci\u00f3n..."
          }
        },
        "type": "@n8n/n8n-nodes-langchain.agent",
        "typeVersion": 1.8,
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        "id": "bfbe0e3f-b904-4e87-a696-d181751c3cae",
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      },
      {
        "parameters": {
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            "__rl": true,
            "value": "gpt-4.1-mini",
            "mode": "list",
            "cachedResultName": "gpt-4.1-mini"
          },
          "options": {}
        },
        "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
        "typeVersion": 1.2,
        "position": [
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        ],
        "id": "558b590c-00ca-409d-85a3-68cbf72e4f15",
        "name": "OpenAI Chat Model",
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          "openAiApi": {
            "id": "nZ98FVO8dD6bJnEc",
            "name": "GPT SANTIAGO"
          }
        }
      },
      {
        "parameters": {
          "respondWith": "text",
          "responseBody": "={{ $json.output }}",
          "options": {
            "responseCode": 200
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        },
        "type": "n8n-nodes-base.respondToWebhook",
        "typeVersion": 1.1,
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        ],
        "id": "57f5c60b-19a2-482c-b979-95a9840e800d",
        "name": "Respond to Webhook"
      },
      {
        "parameters": {
          "sessionIdType": "customKey",
          "sessionKey": "=win-{{ $('Webhook').item.json.body.whatsapp }}",
          "contextWindowLength": 30
        },
        "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
        "typeVersion": 1.3,
        "position": [
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          160
        ],
        "id": "087cd978-936c-4c42-92b9-2666787c74ac",
        "name": "Simple Memory"
      }
    ],
    "connections": {
      "Webhook": {
        "main": [
          [
            {
              "node": "AI Agent",
              "type": "main",
              "index": 0
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          ]
        ]
      },
      "OpenAI Chat Model": {
        "ai_languageModel": [
          [
            {
              "node": "AI Agent",
              "type": "ai_languageModel",
              "index": 0
            }
          ]
        ]
      },
      "AI Agent": {
        "main": [
          [
            {
              "node": "Respond to Webhook",
              "type": "main",
              "index": 0
            }
          ]
        ]
      },
      "Simple Memory": {
        "ai_memory": [
          [
            {
              "node": "AI Agent",
              "type": "ai_memory",
              "index": 0
            }
          ]
        ]
      }
    },
    "authors": "system migration",
    "name": null,
    "description": null,
    "autosaved": false
  },
  "activeVersionId": "c7969a01-6894-458f-80ee-c790a88c8d67",
  "connections": {
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            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "AI Agent": {
      "main": [
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
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          {
            "node": "AI Agent",
            "type": "ai_memory",
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  "createdAt": "2025-05-07T02:33:14.840Z",
  "id": "RYsPYZsVfqoUjc2L",
  "isArchived": false,
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "[PLANTILLA][BACKEND] AGENTE IA - OBJECIONES",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "ia-typebot-p1",
        "responseMode": "responseNode",
        "options": {}
      },
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        -460,
        -80
      ],
      "id": "cf9b1aa1-f31e-44e3-a318-7e94150662d3",
      "name": "Webhook"
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "={\"mensaje\": \"{{ $json.body.pregunta }}\"}",
        "options": {
          "systemMessage": "=eres un asesor llamado daniel martinez el cual vende duolingo de manera ilegal... atiende bien a las personas, nada de \u00f1ero\n\ntu objetivo es hacer que mencionen las palabras \"nequi, daviplata, bancolombia o transfiyta\"\n\ndebido a que en el momento que las digan, otro asistente tomar\u00e1 la conversaci\u00f3n..."
        }
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.8,
      "position": [
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        -80
      ],
      "id": "bfbe0e3f-b904-4e87-a696-d181751c3cae",
      "name": "AI Agent"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "value": "gpt-4.1-mini",
          "mode": "list",
          "cachedResultName": "gpt-4.1-mini"
        },
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [
        -180,
        140
      ],
      "id": "558b590c-00ca-409d-85a3-68cbf72e4f15",
      "name": "OpenAI Chat Model",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "respondWith": "text",
        "responseBody": "={{ $json.output }}",
        "options": {
          "responseCode": 200
        }
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        320,
        -80
      ],
      "id": "57f5c60b-19a2-482c-b979-95a9840e800d",
      "name": "Respond to Webhook"
    },
    {
      "parameters": {
        "sessionIdType": "customKey",
        "sessionKey": "=win-{{ $('Webhook').item.json.body.whatsapp }}",
        "contextWindowLength": 30
      },
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
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        160
      ],
      "id": "087cd978-936c-4c42-92b9-2666787c74ac",
      "name": "Simple Memory"
    }
  ],
  "repo_name": "backupn8n",
  "repo_owner": "Santiagociroc11",
  "repo_path": "backup/",
  "settings": {
    "executionOrder": "v1"
  },
  "shared": [
    {
      "updatedAt": "2025-05-07T02:33:14.847Z",
      "createdAt": "2025-05-07T02:33:14.847Z",
      "role": "workflow:owner",
      "workflowId": "RYsPYZsVfqoUjc2L",
      "projectId": "703bt8e3CRxfBTYZ"
    }
  ],
  "staticData": null,
  "tags": [],
  "triggerCount": 1,
  "updatedAt": "2025-06-06T17:03:31.000Z",
  "versionId": "c7969a01-6894-458f-80ee-c790a88c8d67"
}

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About this workflow

[PLANTILLA][BACKEND] AGENTE IA - OBJECIONES. Uses agent, lmChatOpenAi, memoryBufferWindow. Webhook trigger; 5 nodes.

Source: https://github.com/Santiagociroc11/backupn8n/blob/7ed65553fd994e2aa71e96ca14dbf6d412aa04ad/backup/2025/05/RYsPYZsVfqoUjc2L.json — original creator credit. Request a take-down →

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