WhatsApp Restaurant Chatbot with AI

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": "OQuVjQzqswmDM86W",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "name": "WhatsApp Chatbot \u2013 Restaurant Info Assistant (Bookings, Menu, Timing)",
  "tags": [],
  "nodes": [
    {
      "id": "2990c149-51a8-4fa8-a9a6-2fe4c4e42b72",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -220,
        -620
      ],
      "parameters": {
        "width": 1000,
        "content": "## This workflow powers a WhatsApp chatbot that answers customer questions about restaurant timing, menu, booking, services, and offers.\n\n## It uses a chat model (LLM) to understand queries and respond clearly via WhatsApp.\n\n"
      },
      "typeVersion": 1
    },
    {
      "id": "32a367b4-c14d-47f8-9ba1-483772e30564",
      "name": "Send Reply to Customer",
      "type": "n8n-nodes-base.whatsApp",
      "position": [
        636,
        -140
      ],
      "parameters": {
        "textBody": "={{ $json.output }}",
        "operation": "send",
        "phoneNumberId": "550325331503475",
        "additionalFields": {},
        "recipientPhoneNumber": "={{ $('Receive WhatsApp Message').item.json.contacts[0].wa_id }}"
      },
      "credentials": {
        "whatsAppApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "44c64110-9c14-411b-9e12-9843510696d2",
      "name": "Wait For Response",
      "type": "n8n-nodes-base.wait",
      "position": [
        196,
        -240
      ],
      "parameters": {},
      "typeVersion": 1.1
    },
    {
      "id": "3021f85b-00af-417b-8022-dc5f717e4ab7",
      "name": "Receive WhatsApp Message",
      "type": "n8n-nodes-base.whatsAppTrigger",
      "position": [
        -400,
        -240
      ],
      "parameters": {
        "options": {},
        "updates": [
          "messages"
        ]
      },
      "credentials": {
        "whatsAppTriggerApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "34cf3695-d559-43ab-b720-e419c1094aee",
      "name": "Extract Customer Query",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        -180,
        -240
      ],
      "parameters": {
        "text": "={{ $json.messages[0].text.body }}",
        "options": {
          "systemMessage": "=**You are a helpful and friendly WhatsApp chatbot for a restaurant.**\nWhen a customer sends a message, greet them politely and provide clear, short replies to their questions about:\n\n* Restaurant timings (opening/closing hours)\n* Table booking or reservation availability\n* Menu items (food types, popular dishes, specials)\n* Restaurant location or directions\n* Services offered (dine-in, takeaway, delivery)\n* Pricing and current offers\n* Confirming or cancelling a reservation\n\nIf the customer asks something unrelated to the restaurant, reply:\n\ud83d\udfe2 *\u201cI\u2019m here to help with restaurant-related questions. Would you like to know our timings, menu, or book a table?\u201d*\n\nIf a message is unclear or incomplete, respond with:\n\ud83d\udfe2 *\u201cCould you please clarify your question so I can assist you better?\u201d*\n\nAlways keep the conversation short, polite, and informative.\n\n"
        },
        "promptType": "define"
      },
      "typeVersion": 1.9
    },
    {
      "id": "92c21a3b-01ad-4ec7-97e2-e5816f23ff81",
      "name": "Generate Reply with AI",
      "type": "@n8n/n8n-nodes-langchain.lmChatOllama",
      "position": [
        -92,
        -20
      ],
      "parameters": {
        "model": "llama3.2-16000:latest",
        "options": {}
      },
      "credentials": {
        "ollamaApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "dd5381b8-337a-4b60-857c-4c84b682edd6",
      "name": "Check If Table Booking Required",
      "type": "n8n-nodes-base.if",
      "position": [
        416,
        -240
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "0282b709-8b08-4831-ab40-5725db7d6034",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "Booking",
              "rightValue": "add_your_value_here"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "6fd96474-c7b2-444c-9f9e-960f6897a76d",
      "name": "Create New Table Booking",
      "type": "n8n-nodes-base.postgres",
      "position": [
        636,
        -340
      ],
      "parameters": {
        "table": {
          "__rl": true,
          "mode": "name",
          "value": "id"
        },
        "schema": {
          "__rl": true,
          "mode": "list",
          "value": "public"
        },
        "columns": {
          "value": {},
          "schema": [],
          "mappingMode": "autoMapInputData",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {}
      },
      "credentials": {
        "postgres": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 2.6
    },
    {
      "id": "f5a58ce9-c39e-40bf-989a-328e8e1a67b3",
      "name": "Send Booking Confirmation to Customer",
      "type": "n8n-nodes-base.whatsApp",
      "position": [
        856,
        -340
      ],
      "parameters": {
        "textBody": "={{ $json.output }}",
        "operation": "send",
        "phoneNumberId": "550325331503475",
        "additionalFields": {},
        "recipientPhoneNumber": "={{ $('Receive WhatsApp Message').item.json.contacts[0].wa_id }}"
      },
      "credentials": {
        "whatsAppApi": {
          "name": "<your credential>"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "3bedc946-ce52-4aaa-b868-96b0e6b59b1b",
  "connections": {
    "Wait For Response": {
      "main": [
        [
          {
            "node": "Check If Table Booking Required",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Customer Query": {
      "main": [
        [
          {
            "node": "Wait For Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Reply with AI": {
      "ai_languageModel": [
        [
          {
            "node": "Extract Customer Query",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Create New Table Booking": {
      "main": [
        [
          {
            "node": "Send Booking Confirmation to Customer",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Receive WhatsApp Message": {
      "main": [
        [
          {
            "node": "Extract Customer Query",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check If Table Booking Required": {
      "main": [
        [
          {
            "node": "Create New Table Booking",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Send Reply to Customer",
            "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.

• ollamaApi
• postgres
• whatsAppApi
• whatsAppTriggerApi

About this workflow

An intelligent WhatsApp-based chatbot designed for restaurants to automate customer interactions related to table bookings, menu inquiries, opening hours, services, and offers. Built using the n8n automation platform and powered by an AI language model, this solution streamlines…

Source: https://n8n.io/workflows/5881/ — original creator credit. Request a take-down →

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