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GoHighLevel - Get Available Calendar Slots

n8n-nodes-base.httpRequest

Retrieve available time slots for a specific calendar with date range filtering. Perfect for booking workflows and calendar availability checks.

gohighlevel calendar booking appointments availability
App GoHighLevel
Category api integration
Version 1.0.0
Author Community
Credentials GoHighLevel OAuth2

💡 Use Cases

📚 API Documentation

Reference documentation for this API endpoint:

🔗 https://marketplace.gohighlevel.com/docs/ghl/calendars/get-calendar-slots ↗

📋 Node Configuration

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  "meta": {
    "templateCredsSetupCompleted": true,
    "instanceId": "n8n-ghl-get-calendar-slots"
  },
  "nodes": [
    {
      "parameters": {
        "content": "## 📅 GET Available Slots\n\n**Usage:**\nGET available slots for booking\n\n**Required Input:**\n- `calendarId`: The unique identifier of the calendar\n- `startDate`: Start date for slot availability\n- `endDate`: End date for slot availability\n\n**Setup:**\n1. Configure credentials\n2. Pass data\n3. Returns output\n\n**Credential Setup (HTTP Header Auth):**\n1. In n8n, go to Credentials → Add Credential\n2. Select \"Header Auth\"\n3. Set Name: `Authorization`\n4. Set Value: `Bearer YOUR_ACCESS_TOKEN`\n5. Get your token from GHL Settings → Integrations → Private Integrations",
        "height": 238,
        "width": 389,
        "color": 4
      },
      "id": "sticky-ghl-calendar-slots-001",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        96,
        332
      ]
    },
    {
      "parameters": {
        "method": "GET",
        "url": "=https://services.leadconnectorhq.com/calendars/{{ $json.calendarId }}/free-slots?startDate={{ $json.startDate }}&endDate={{ $json.endDate }}{{ $json.timezone ? '&timezone=' + $json.timezone : '' }}{{ $json.userId ? '&userId=' + $json.userId : '' }}",
        "authentication": "genericCredentialType",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Version",
              "value": "2021-07-28"
            }
          ]
        },
        "options": {},
        "genericAuthType": "httpHeaderAuth"
      },
      "id": "ghl-calendar-slots-001",
      "name": "GHL Get Calendar Slots",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.1,
      "position": [
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        400
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "GHL_Private_Token",
          "name": "GoHighLevel Private Integration"
        }
      }
    }
  ],
  "connections": {},
  "pinData": {}
}
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      },
      "description": "## 📅 GET Available Slots  **Usage:**"
    },
    "label": "GHL Get Calendar Slots",
    "dependencies": {
      "node-fetch": "3.3.2"
    },
    "script": "import fetch from \"node-fetch\";\nexport default async function apiCall({\n    url,\n    method,\n    contentType,\n    authorization,\n    body,\n    shouldAwait,\n    queryParams,\n    customHeaders\n}: NodeInputs, {\n    logging\n}: NodeScriptOptions) : NodeOutput  {\n    const headers = {\n        \"Content-Type\": contentType,\n        ...customHeaders\n    };\n    if (authorization) headers[\"Authorization\"] = authorization;\n\n    let queryParamsString = '';\n    if (queryParams) {\n        queryParamsString = '?' + new URLSearchParams(queryParams).toString();\n    }\n\n    const fetchOptions = {\n        method,\n        headers\n    };\n\n    if (method !== 'GET') {\n        fetchOptions.body = JSON.stringify(body);\n    }\n\n    const fetchPromise = fetch(url + queryParamsString, fetchOptions);\n\n    if (!shouldAwait) {\n        return {\n            data: null\n        };\n    }\n\n    const response = await fetchPromise;\n    const data = await response.json();\n    return {\n        status: response.status,\n        data\n    };\n}",
    "inputs": {
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          "type": "string",
          "description": "The HTTP method to use for the API call",
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            "DELETE",
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          "buildship": {
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              },
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                "value": "POST",
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              {
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              {
                "label": "PATCH",
                "value": "PATCH"
              }
            ],
            "index": 0,
            "sensitive": false
          }
        },
        "url": {
          "description": "The URL of the API endpoint",
          "title": "URL",
          "type": "string",
          "buildship": {
            "index": 1
          }
        },
        "authorization": {
          "description": "The authorization header for the API call, if required (e.g., Bearer or Basic token)",
          "type": "string",
          "title": "Authorization",
          "buildship": {
            "sensitive": true,
            "index": 2
          }
        },
        "queryParams": {
          "default": {},
          "description": "The query parameters for the API call",
          "type": "object",
          "title": "Query Parameters",
          "buildship": {
            "index": 3,
            "sensitive": false
          }
        },
        "body": {
          "type": "object",
          "buildship": {
            "index": 4
          },
          "description": "The body to send with the API call",
          "title": "Body"
        },
        "contentType": {
          "enum": [
            "application/json",
            "application/x-www-form-urlencoded",
            "multipart/form-data",
            "text/plain"
          ],
          "description": "The content type of the API call",
          "title": "Content Type",
          "buildship": {
            "index": 5,
            "options": [
              {
                "label": "application/json",
                "value": "application/json"
              },
              {
                "value": "application/x-www-form-urlencoded",
                "label": "application/x-www-form-urlencoded"
              },
              {
                "label": "multipart/form-data",
                "value": "multipart/form-data"
              },
              {
                "label": "text/plain",
                "value": "text/plain"
              }
            ]
          },
          "type": "string"
        },
        "shouldAwait": {
          "description": "Whether to wait for the request to complete or not",
          "title": "Await?",
          "type": "boolean",
          "buildship": {
            "sensitive": false,
            "index": 6
          }
        },
        "customHeaders": {
          "type": "object",
          "description": "Additional custom headers for the API call",
          "title": "Custom Headers",
          "buildship": {
            "index": 7,
            "sensitive": false
          }
        }
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    "integrations": [],
    "name": "API Call Node",
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      "properties": {
        "status": {
          "buildship": {
            "index": 0
          },
          "type": "number",
          "description": "The HTTP status of the API response",
          "title": "Status"
        },
        "data": {
          "buildship": {
            "index": 1
          },
          "title": "Data",
          "type": "object",
          "description": "The data object from the API response"
        }
      },
      "type": "object"
    },
    "isCollapsed": false,
    "type": "script",
    "values": {
      "method": "GET",
      "url": {
        "_$expression_": "`https://services.leadconnectorhq.com/calendars/${ctx?.[\"root\"]?.[\"inputs\"]?.[\"body\"].calendarId}/free-slots?startDate=${ctx?.[\"root\"]?.[\"inputs\"]?.[\"body\"].startDate}&endDate=${ctx?.[\"root\"]?.[\"inputs\"]?.[\"body\"].endDate}{{ $json.timezone ? '&timezone=' + $json.timezone : '' }}{{ $json.userId ? '&userId=' + $json.userId : '' }}`",
        "type": "javascript",
        "hasErrors": false
      },
      "authorization": {
        "_$expression_": "`Bearer ${(await getSecret(\"ANONYMIZED_SECRET\"))}`",
        "type": "javascript",
        "hasErrors": false
      },
      "queryParams": {},
      "body": {},
      "contentType": "application/json",
      "shouldAwait": true,
      "customHeaders": {
        "Version": "2021-07-28"
      }
    }
  }
]
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      "flow": [
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          "module": "http:ActionSendDataBasicAuth",
          "version": 3,
          "parameters": {
            "key": "ANONYMIZED_CREDENTIALS",
            "handleErrors": false,
            "useNewZLibDeCompress": true
          },
          "mapper": {
            "ca": "",
            "qs": [],
            "url": "https://services.leadconnectorhq.com/calendars/{{1.calendarId}}/free-slots?startDate={{1.startDate}}&endDate={{1.endDate}}{{ $json.timezone ? '&timezone=' + $json.timezone : '' }}{{ $json.userId ? '&userId=' + $json.userId : '' }}",
            "data": "",
            "gzip": true,
            "method": "get",
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            "useMtls": false,
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            "contentType": "application/json",
            "serializeUrl": false,
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            "parseResponse": true,
            "followRedirect": true,
            "useQuerystring": false,
            "followAllRedirects": false,
            "rejectUnauthorized": true
          },
          "metadata": {
            "designer": {
              "x": 300,
              "y": 300,
              "name": "GET Available Slots"
            },
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                }
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                "key": {
                  "label": "ANONYMIZED_CREDENTIALS"
                }
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                "name": "key",
                "type": "keychain:basicauth",
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              },
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            "expect": [
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                "type": "url",
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                "label": "Serialize URL",
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              },
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                    "type": "text",
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                "name": "parseResponse",
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                "label": "Parse response",
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              },
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                "name": "contentType",
                "type": "select",
                "label": "Content type",
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                  "enum": [
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                    "application/json",
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                    "text/html",
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              {
                "name": "data",
                "type": "buffer",
                "label": "Request content"
              }
            ]
          }
        }
      ]
    }
  ],
  "metadata": {
    "version": 1
  }
}

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