Cómo resolver GeeTest V4 en n8n con CapSolver: Guía completa de integración

{
  "name": "GeeTest V4 — Solver API",
  "nodes": [
    {
      "parameters": {
        "content": "## GeeTest V4 — API de Solución\n\n**Para quién es:** Desarrolladores que necesitan resolver desafíos de GeeTest V4 a través de un simple punto final POST.\n\n**Qué hace:** Expone un webhook que acepta parámetros de captcha, resuelve el desafío con CapSolver y devuelve el token o el error como JSON.\n\n**Cómo funciona:**\n1. El Webhook recibe un POST con la URL de destino, la clave del sitio y los parámetros opcionales.\n2. El nodo CapSolver resuelve el desafío de GeeTest V4.\n3. El nodo IF verifica si hay errores → devuelve el token de éxito o el JSON de error.\n\n**Configuración:**\n1. Agrega tu clave API de CapSolver en **Settings → Credentials → CapSolver API**.\n2. Activa el flujo de trabajo.\n3. Haz un POST a la URL del webhook con tus parámetros de captcha.",
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      "webhookId": "a1b2c3d4-aaaa-bbbb-cccc-a1b2c3d40001",
      "onError": "continueRegularOutput"
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    {
      "parameters": {
        "operation": "GeeTest V4",
        "websiteURL": "={{ $json.body.websiteURL }}",
        "captchaId": "={{ $json.body.captchaId }}",
        "geetestApiServerSubdomain": "={{ $json.body.geetestApiServerSubdomain }}",
        "optional": {}
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      "type": "n8n-nodes-capsolver.capSolver",
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      "name": "Solve GeeTest V4",
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          "name": "CapSolver account"
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          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
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      "name": "CapSolver Error?"
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      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ JSON.stringify($json.data) }}",
        "options": {}
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      "name": "Respond to Webhook (Success)"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ JSON.stringify({ error: $json.error }) }}",
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          {
            "node": "Solve GeeTest V4",
            "type": "main",
            "index": 0
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        ]
      ]
    },
    "Solve GeeTest V4": {
      "main": [
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            "node": "CapSolver Error?",
            "type": "main",
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    "executionOrder": "v1"
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}

{
  "name": "GeeTest V4 Scraping — Price & Product Details — CapSolver + Schedule + Webhook",
  "nodes": [
    {
      "parameters": {
        "content": "## Raspado de GeeTest V4 — Monitor de precios y productos\n\n**Para quién es:** Equipos que necesitan monitorear precios o datos de productos en sitios protegidos por GeeTest V4.\n\n**Qué hace:** Resuelve GeeTest V4, obtiene la página del producto, extrae precios y nombres a través de selectores CSS, compara con valores almacenados y alerta sobre cambios si los hay.\n\n**Cómo funciona:**\n1. Una programación (cada 6 horas) o un Webhook activa el flujo.\n2. El CapSolver resuelve el desafío de GeeTest V4.\n3. Una solicitud HTTP obtiene la página del producto con el token resuelto.\n4. Un nodo HTML extrae precios y nombres de productos.\n5. Un nodo de código compara el precio actual con el precio almacenado → alerta sobre cambios si los hay.\n\n**Configuración:**\n1. Agrega tu clave API de CapSolver en **Settings → Credentials**.\n2. Reemplaza la URL de marcador de posición y la clave del sitio.\n3. Actualiza los selectores CSS en \"Extraer datos\" para que coincidan con tu página de destino.\n4. Conecta la salida de \"Construir alerta\" a tu canal de notificación.",
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        "width": 460,
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      "id": "sticky-blog-main-1773678228112-1",
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    },
    {
      "parameters": {
        "content": "### Ruta de programación\nSe ejecuta automáticamente cada 6 horas.\nLos resultados se almacenan en datos estáticos del flujo de trabajo para la comparación entre ejecuciones.",
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        "width": 1900,
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    {
      "parameters": {
        "content": "### Ruta de Webhook\nActivador bajo demanda — misma lógica, devuelve el resultado como respuesta JSON.",
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        "width": 1900,
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      "name": "Sticky Note2"
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      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "hoursInterval": 6
            }
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      "name": "Every 6 Hours"
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      "parameters": {
        "operation": "GeeTest V4",
        "websiteURL": "https://YOUR-TARGET-SITE.com/product-page",
        "captchaId": "YOUR_CAPTCHA_ID_HERE",
        "optional": {}
      },
      "type": "n8n-nodes-capsolver.capSolver",
      "typeVersion": 1,
      "position": [
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      "id": "99999999-9999-9999-9999-999999999902",
      "name": "Solve GeeTest V4",
      "credentials": {
        "capSolverApi": {
          "id": "YOUR_CREDENTIAL_ID",
          "name": "CapSolver account"
        }
      }
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://YOUR-TARGET-SITE.com/product-page",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "user-agent",
              "value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"
            }
          ]
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "bodyParameters": {
          "parameters": [
            {
              "name": "captcha_id",
              "value": "={{ $json.data.solution.captcha_id }}"
            },
            {
              "name": "lot_number",
              "value": "={{ $json.data.solution.lot_number }}"
            },
            {
              "name": "pass_token",
              "value": "={{ $json.data.solution.pass_token }}"
            },
            {
              "name": "gen_time",
              "value": "={{ $json.data.solution.gen_time }}"
            },
            {
              "name": "captcha_output",
              "value": "={{ $json.data.solution.captcha_output }}"
            }
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        "operation": "extractHtmlContent",
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        "dataPropertyName": "data",
        "extractionValues": {
          "values": [
            {
              "key": "price",
              "cssSelector": ".product-price, [data-price], .price",
              "returnValue": "text",
              "returnArray": false
            },
            {
              "key": "productName",
              "cssSelector": "h1, .product-title",
              "returnValue": "text",
              "returnArray": false
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        "options": {}
      },
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      "name": "Extract Data"
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        "jsCode": "// Obtener el precio actual y anterior de los datos estáticos del flujo de trabajo\nconst staticData = $workflow.staticData;\nconst currentPrice = $input.first().json.price;\nconst previousPrice = staticData.lastPrice;\nconst productName = $input.first().json.productName || 'Product';\n\n// Analizar valores numéricos para la comparación\nconst parsePrice = (str) => {\n  if (!str) return null;\n  const match = str.match(/[\\d,]+\\.?\\d*/);\n  return match ? parseFloat(match[0].replace(',', '')) : null;\n};\n\nconst currentNum = parsePrice(currentPrice);\nconst previousNum = parsePrice(previousPrice);\n\n// Actualizar el precio almacenado\nstaticData.lastPrice = currentPrice;\nstaticData.lastChecked = new Date().toISOString();\n\nconst changed = previousNum !== null && currentNum !== null && currentNum !== previousNum;\nconst direction = changed ? (currentNum < previousNum ? 'dropped' : 'increased') : 'unchanged';\nconst diff = changed ? Math.abs(currentNum - previousNum).toFixed(2) : '0';\n\nreturn [{\n  json: {\n    productName,\n    currentPrice,\n    previousPrice: previousPrice || 'first check',\n    changed,\n    direction,\n    diff: changed ? `$${diff}` : null,\n    checkedAt: new Date().toISOString()\n  }\n}];"
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      "name": "Compare Data"
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      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
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              "id": "price-if-001",
              "leftValue": "={{ $json.changed }}",
              "operator": {
                "type": "boolean",
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              }
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              "value": "=El precio {{ $json.direction }} para {{ $json.productName }}: {{ $json.previousPrice }} → {{ $json.currentPrice }} ({{ $json.direction === 'dropped' ? '-' : '+' }}{{ $json.diff }})",
              "type": "string"
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            {
              "id": "alert-002",
              "name": "severity",
              "value": "={{ $json.direction === 'dropped' ? 'deal' : 'info' }}",
              "type": "string"
            },
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              "id": "alert-003",
              "name": "checkedAt",
              "value": "={{ $json.checkedAt }}",
              "type": "string"
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      "id": "99999999-9999-9999-9999-999999999907",
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              "id": "nc-002",
              "name": "currentPrice",
              "value": "={{ $json.currentPrice }}",
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              "id": "nc-003",
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              "value": "={{ $json.checkedAt }}",
              "type": "string"
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        "httpMethod": "POST",
        "path": "price-monitor-geetest-v4",
        "responseMode": "responseNode",
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      "onError": "continueRegularOutput"
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      "parameters": {
        "operation": "GeeTest V4",
        "websiteURL": "https://YOUR-TARGET-SITE.com/product-page",
        "captchaId": "YOUR_CAPTCHA_ID_HERE",
        "optional": {}
      },
      "type": "n8n-nodes-capsolver.capSolver",
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      "id": "99999999-9999-9999-9999-999999999910",
      "name": "Solve GeeTest V4 [Webhook]",
      "credentials": {
        "capSolverApi": {
          "id": "YOUR_CREDENTIAL_ID",
          "name": "CapSolver account"
        }
      }
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    {
      "parameters": {
        "method": "POST",
        "url": "https://YOUR-TARGET-SITE.com/product-page",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "user-agent",
              "value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"
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        "contentType": "form-urlencoded",
        "bodyParameters": {
          "parameters": [
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              "name": "captcha_id",
              "value": "={{ $json.data.solution.captcha_id }}"
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              "name": "lot_number",
              "value": "={{ $json.data.solution.lot_number }}"
            },
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              "name": "pass_token",
              "value": "={{ $json.data.solution.pass_token }}"
            },
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              "name": "gen_time",
              "value": "={{ $json.data.solution.gen_time }}"
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              "name": "captcha_output",
              "value": "={{ $json.data.solution.captcha_output }}"
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            "response": {
              "fullResponse": false
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      "id": "99999999-9999-9999-9999-999999999911",
      "name": "Fetch Product Page [Webhook]"
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      "parameters": {
        "operation": "extractHtmlContent",
        "sourceData": "json",
        "dataPropertyName": "data",
        "extractionValues": {
          "values": [
            {
              "key": "price",
              "cssSelector": ".product-price, [data-price], .price",
              "returnValue": "text",
              "returnArray": false
            },
            {
              "key": "productName",
              "cssSelector": "h1, .product-title",
              "returnValue": "text",
              "returnArray": false
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        "options": {}
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      "parameters": {
        "jsCode": "// Obtener el precio actual y anterior de los datos estáticos del flujo de trabajo\nconst staticData = $workflow.staticData;\nconst currentPrice = $input.first().json.price;\nconst previousPrice = staticData.lastPrice;\nconst productName = $input.first().json.productName || 'Product';\n\n// Analizar valores numéricos para la comparación\nconst parsePrice = (str) => {\n  if (!str) return null;\n  const match = str.match(/[\\d,]+\\.?\\d*/);\n  return match ? parseFloat(match[0].replace(',', '')) : null;\n};\n\nconst currentNum = parsePrice(currentPrice);\nconst previousNum = parsePrice(previousPrice);\n\n// Actualizar el precio almacenado\nstaticData.lastPrice = currentPrice;\nstaticData.lastChecked = new Date().toISOString();\n\nconst changed = previousNum !== null && currentNum !== null && currentNum !== previousNum;\nconst direction = changed ? (currentNum < previousNum ? 'dropped' : 'increased') : 'unchanged';\nconst diff = changed ? Math.abs(currentNum - previousNum).toFixed(2) : '0';\n\nreturn [{\n  json: {\n    productName,\n    currentPrice,\n    previousPrice: previousPrice || 'first check',\n    changed,\n    direction,\n    diff: changed ? `$${diff}` : null,\n    checkedAt: new Date().toISOString()\n  }\n}];"
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            "typeValidation": "strict",
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              "type": "string"
            },
            {
              "id": "alert-005",
              "name": "severity",
              "value": "={{ $json.direction === 'dropped' ? 'deal' : 'info' }}",
              "type": "string"
            },
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              "id": "alert-006",
              "name": "checkedAt",
              "value": "={{ $json.checkedAt }}",
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              "value": "no_change",
              "type": "string"
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              "id": "nc-005",
              "name": "currentPrice",
              "value": "={{ $json.currentPrice }}",
              "type": "string"
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              "id": "nc-006",
              "name": "checkedAt",
              "value": "={{ $json.checkedAt }}",
              "type": "string"
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        "respondWith": "json",
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        "options": {}
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    "Extract Data": {
      "main": [
        [
          {
            "node": "Compare Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Compare Data": {
      "main": [
        [
          {
            "node": "Data Changed?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Data Changed?": {
      "main": [
        [
          {
            "node": "Build Alert",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "No Change",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Webhook Trigger": {
      "main": [
        [
          {
            "node": "Solve GeeTest V4 [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Solve GeeTest V4 [Webhook]": {
      "main": [
        [
          {
            "node": "Fetch Product Page [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fetch Product Page [Webhook]": {
      "main": [
        [
          {
            "node": "Extract Data [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Data [Webhook]": {
      "main": [
        [
          {
            "node": "Compare Data [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Compare Data [Webhook]": {
      "main": [
        [
          {
            "node": "Data Changed? [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Data Changed? [Webhook]": {
      "main": [
        [
          {
            "node": "Build Alert [Webhook]",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "No Change [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Alert [Webhook]": {
      "main": [
        [
          {
            "node": "Respond to Webhook [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "No Change [Webhook]": {
      "main": [
        [
          {
            "node": "Respond to Webhook [Webhook]",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  }
}

{
  "name": "GeeTest V4 Account Login — CapSolver + Schedule + Webhook",
  "nodes": [
    {
      "parameters": {
        "content": "## Automatización de inicio de sesión de cuenta de GeeTest V4 — CapSolver + Programación + Webhook\n\n**Para quién es:** Equipos que necesitan automatizar el inicio de sesión en cuentas protegidas por GeeTest V4.\n\n**Qué hace:** Resuelve el desafío de GeeTest V4 y envía el formulario de inicio de sesión con el token resuelto y las credenciales de usuario.\n\n**Cómo funciona:**\n1. El Webhook activa el flujo.\n2. El CapSolver resuelve el desafío de GeeTest V4.\n3. Una solicitud HTTP envía el formulario de inicio de sesión con el token resuelto y las credenciales de usuario.\n4. El Webhook devuelve el resultado del inicio de sesión.\n\n**Configuración:**\n1. Agrega tu clave API de CapSolver en **Settings → Credentials**.\n2. Reemplaza la URL de marcador de posición y las credenciales.\n3. Ajusta los nombres de los campos del formulario para que coincidan con tu sitio de destino.\n4. Activa el flujo de trabajo.",
        "height": 480,
        "width": 460,
        "color": 1
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -728,
        -400
      ],
      "id": "sticky-blog-main-1773678228112-1",
      "name": "Sticky Note"
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "login-geetest-v4",
        "responseMode": "responseNode",
        "options": {}
      },
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2.1,
      "position": [
        -400,
        0
      ],
      "id": "a2b3c4d5-0001-0001-0001-a2b3c4d50001",
      "name": "Webhook Trigger",
      "webhookId": "a2b3c4d5-aaaa-bbbb-cccc-a2b3c4d50001",
      "onError": "continueRegularOutput"
    },
    {
      "parameters": {
        "operation": "GeeTest V4",
        "websiteURL": "={{ $json.body.websiteURL }}",
        "captchaId": "={{ $json.body.captchaId }}",
        "optional": {}
      },
      "type": "n8n-nodes-capsolver.capSolver",
      "typeVersion": 1,
      "position": [
        -96,
        0
      ],
      "id": "a2b3c4d5-0001-0001-0001-a2b3c4d50002",
      "name": "Solve GeeTest V4",
      "credentials": {
        "capSolverApi": {
          "id": "YOUR_CREDENTIAL_ID",
          "name": "CapSolver account"
        }
      }
    },
    {
      "parameters": {
        "method": "POST",
        "url": "={{ $json.body.websiteURL }}",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "user-agent",
              "value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"
            },
            {
              "name": "Content-Type",
              "value": "application/x-www-form-urlencoded"
            }
          ]
        },
        "sendBody": true,
        "contentType": "form-urlencoded",
        "bodyParameters": {
          "parameters": [
            {
              "name": "username",
              "value": "={{ $json.body.username }}"
            },
            {
              "name": "password",
              "value": "={{ $json.body.password }}"
            },
            {
              "name": "captcha_id",
              "value": "={{ $('Solve GeeTest V4').item.json.data.solution.captcha_id }}"
            },
            {
              "name": "lot_number",
              "value": "={{ $('Solve GeeTest V4').item.json.data.solution.lot_number }}"
            },
            {
              "name": "pass_token",
              "value": "={{ $('Solve GeeTest V4').item.json.data.solution.pass_token }}"
            },
            {
              "name": "gen_time",
              "value": "={{ $('Solve GeeTest V4').item.json.data.solution.gen_time }}"
            },
            {
              "name": "captcha_output",
              "value": "={{ $('Solve GeeTest V4').item.json.data.solution.captcha_output }}"
            }
          ]
        },
        "options": {
          "response": {
            "response": {
              "fullResponse": false
            }
          }
        }
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.3,
      "position": [
        208,
        0
      ],
      "id": "a2b3c4d5-0001-0001-0001-a2b3c4d50003",
      "name": "Submit Login Form"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ JSON.stringify($json) }}",
        "options": {}
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.5,
      "position": [
        512,
        0
      ],
      "id": "a2b3c4d5-0001-0001-0001-a2b3c4d50004",
      "name": "Respond to Webhook"
    }
  ],
  "connections": {
    "Webhook Trigger": {
      "main": [
        [
          {
            "node": "Solve GeeTest V4",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Solve GeeTest V4": {
      "main": [
        [
          {
            "node": "Submit Login Form",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Submit Login Form": {
      "main": [
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  }
}