{
  "name": "WhatsApp \u2192 OpenAI (FastAPI)",
  "nodes": [
    {
      "parameters": {
        "path": "whatsapp",
        "responseMode": "responseNode",
        "options": {}
      },
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$json.query[\"hub.mode\"] || ''}}",
              "operation": "isNotEmpty"
            }
          ]
        }
      },
      "name": "Is Verification?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "respondWith": "text",
        "responseBody": "={{$json.query[\"hub.challenge\"] || ''}}",
        "options": {}
      },
      "name": "Respond Verification",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        650,
        200
      ]
    },
    {
      "parameters": {
        "requestMethod": "POST",
        "url": "http://bot:8000/webhook/whatsapp",
        "jsonParameters": true,
        "bodyParametersJson": "={{ JSON.stringify({\"from\": $json.entry[0].changes[0].value.messages[0].from, \"text\": $json.entry[0].changes[0].value.messages[0].text.body}) }}",
        "headerParametersJson": "={\"x-bot-secret\": $env.BOT_SECRET}",
        "options": {
          "timeout": 30000
        }
      },
      "name": "Send to Bot",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        650,
        400
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={\"status\": \"ok\"}",
        "options": {}
      },
      "name": "Respond OK",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        850,
        400
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Is Verification?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Is Verification?": {
      "main": [
        [
          {
            "node": "Respond Verification",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Send to Bot",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send to Bot": {
      "main": [
        [
          {
            "node": "Respond OK",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}