HIGHLEVEL n8n INTEGRATION: AUTOMATE HIGHLEVEL WITH N8N

The Get Free Slots action retrieves available calendar time slots from your HighLevel calendars, making it essential for building appointment booking automations. This is particularly powerful when you need to programmatically check availability before suggesting meeting times to leads or clients.

Key parameters: Calendar ID (required text field where you specify which calendar to query), Start Date (required field defining the beginning of your search range), End Date (required field marking the end of your availability search window), and Additional Fields (optional section for adding extra parameters to customize your availability request).

Use cases: Build a lead qualification workflow that checks your sales team's availability and sends personalized scheduling links. Create a chatbot integration that offers real-time appointment slots. Sync available times with external booking systems like Calendly.

The Book Appointment action creates new appointments directly in your HighLevel calendar, enabling fully automated scheduling workflows. When combined with the Get Free Slots action, you can build end-to-end booking systems that never double-book or miss availability windows.

Key parameters: Calendar ID (text input specifying which calendar receives the new appointment), Location ID (identifies the business location associated with this appointment), Contact ID (links the appointment to a specific contact in your HighLevel CRM), Start Time (text field requiring the appointment start time), and Additional Fields (expand this section to add optional properties like appointment notes or custom fields).

Use cases: Automatically book discovery calls when leads complete a qualification form. Create follow-up appointments after successful sales calls. Schedule onboarding sessions immediately after contract signing.

The Update Task action modifies existing tasks in HighLevel, allowing you to change status, update due dates, or modify other task properties as your workflows progress.

Key parameters: Contact Email or ID (identifies which contact's task you're updating), Task ID (required text input specifying the exact task to modify), and Update Fields (expandable section where you select which properties to change).

Use cases: Mark tasks complete when certain conditions are met. Extend due dates automatically when a contact requests more time. Update task titles to reflect progress stages.

The Get Many Task action retrieves multiple tasks at once, enabling bulk operations, reporting workflows, and comprehensive task audits across your HighLevel account.

Key parameters: Contact Email or ID (filter tasks to those associated with a specific contact), Return All (toggle to fetch all matching tasks), and Limit (numeric input controlling the maximum number of tasks returned when Return All is disabled, default: 20).

Use cases: Generate weekly task reports for team accountability. Audit overdue tasks across all contacts. Sync incomplete tasks to a project management tool like ClickUp or Monday.

The Get Task action retrieves details of a specific task from HighLevel, useful for checking task status, pulling task information into other systems, or building conditional workflows based on task properties.

Key parameters: Contact Email or ID (optionally filter to tasks associated with a specific contact) and Task ID (text input for the unique identifier of the task you want to retrieve, required when fetching a specific task's details).

Use cases: Check if a follow-up task has been completed before triggering the next automation step. Pull task details into a daily summary report. Verify task existence before attempting updates.

The Delete Task action removes tasks from HighLevel, useful for cleaning up obsolete tasks, handling cancellations, or maintaining a tidy task list.

Key parameters: Contact Email or ID (required field identifying the contact whose task you're deleting) and Task ID (required text input for the unique identifier of the task to remove).

Use cases: Delete follow-up tasks when a deal is marked as lost. Clean up duplicate tasks created by system errors. Remove tasks when contacts opt out of services.

The Create Task action generates new tasks linked to contacts in HighLevel, perfect for automating follow-up reminders, assignment workflows, and ensuring nothing falls through the cracks in your sales or service processes.

Key parameters: Contact Email or ID (identifies which contact the task relates to), Title (text input for the task name), Due Date (date-time selector to set the task deadline), Completed (toggle switch indicating whether the task starts as completed or not, defaults to off), and Additional Fields (add extra properties to customize your task further).

Use cases: Create follow-up tasks automatically 3 days after a proposal is sent. Assign onboarding tasks when a new client signs up. Generate review request tasks 7 days after service delivery.

The Update Opportunity action modifies existing opportunities, allowing you to change stages, values, status, and other properties as deals progress.

Key parameters: Opportunity ID (required text input identifying which opportunity to update) and Update Fields (section to select properties to modify; note that pipeline ID cannot be changed with this operation).

Use cases: Move opportunities through stages based on contact actions. Update deal values when quotes are revised. Mark opportunities as won/lost based on external triggers.

The Get Many Opportunities action retrieves multiple opportunities at once, enabling pipeline reporting, bulk updates, and comprehensive sales analytics.

Key parameters: Return All (toggle to fetch all opportunities or respect the limit), Limit (numeric input controlling maximum opportunities returned, default: 20), and Filters (add conditions to narrow which opportunities are retrieved).

Use cases: Generate pipeline reports for sales meetings. Identify stale opportunities that need attention. Sync all open deals to a reporting dashboard.

The Opportunity Get action retrieves details of a specific opportunity, useful for checking deal status, pulling opportunity data for reports, or building conditional workflows.

Key parameters: Opportunity ID (required text input for the unique identifier of the opportunity to retrieve).

Use cases: Check opportunity stage before sending stage-specific emails. Pull deal values for revenue reporting. Verify opportunity exists before attempting updates.

The Delete Opportunity action removes opportunities from your HighLevel pipelines. Use carefully as this permanently removes the deal record.

Key parameters: Opportunity ID (required text input for the unique identifier of the opportunity to delete).

Use cases: Clean up test opportunities after workflow development. Remove duplicate deals created by system errors. Delete opportunities for contacts who become ineligible.

The Create Opportunity action generates new opportunities (deals) in your HighLevel pipelines, essential for sales automation and lead progression workflows.

Key parameters: Pipeline Name or ID (specifies which pipeline the opportunity belongs to), Contact Email or ID (links the opportunity to a contact; note that only one opportunity can exist per contact), Name (text input for the opportunity title), Status (dropdown to set the initial status, e.g., "Open"), and Additional Fields (add monetary value, stage, assigned user, and other properties).

Use cases: Automatically create opportunities when leads book discovery calls. Generate deals from successful form submissions. Create opportunities when contacts reach certain engagement thresholds.

The Update Contact action modifies existing contact records in HighLevel, allowing you to change any contact property without affecting other data.

Key parameters: Contact ID (required text input specifying which contact to update) and Update Fields (section where you select which properties to modify using "Add Field" to choose attributes like name, email, phone, tags, or custom fields).

Use cases: Update contact tags based on behavior triggers. Modify contact information when they submit update forms. Sync contact changes from external systems.

The Get Many action (for Contacts) retrieves multiple contacts based on filters, enabling bulk operations, reporting, and large-scale data synchronization workflows.

Key parameters: Return All (toggle to fetch every matching contact), Limit (numeric input controlling maximum contacts returned, default: 50), Filters (expandable section to add filtering criteria and narrow your contact selection), and Options (additional parameters for customizing the retrieval request).

Use cases: Export all contacts with a specific tag for a marketing campaign. Sync your entire contact database to an external system. Generate contact lists for targeted outreach.

The Contact Get action retrieves complete details for a specific contact, pulling all their information into your workflow for processing, conditional logic, or syncing to other systems.

Key parameters: Contact ID (required text field where you enter the unique identifier of the contact to retrieve).

Use cases: Pull contact details before personalizing an email sequence. Verify contact information exists before creating an opportunity. Fetch contact data for external CRM synchronization with tools like HubSpot.

The Delete Contact action permanently removes a contact from your HighLevel account. Use with caution—this action cannot be undone.

Key parameters: Contact ID (required text field for the unique identifier of the contact to delete).

Use cases: Remove contacts who request data deletion (GDPR compliance). Clean up test contacts after workflow testing. Delete bounced or invalid contacts.

The Create or Update Contact action (upsert operation) is arguably the most versatile contact action. It creates a new contact if none exists with the matching email or phone, or updates the existing contact if a match is found—preventing duplicates while ensuring your data stays current.

Key parameters: Email (text input for the contact's email address, used as a matching identifier for the upsert logic), Phone (text input for the contact's phone number, also used for matching existing contacts), and Additional Fields (expand to add properties like name, address, tags, custom fields, and more).

Use cases: Sync leads from any form tool without worrying about duplicates. Update contact information when they submit new forms. Import contacts from external databases while preserving existing data. This is especially useful when integrating with workflow creation services for comprehensive automation setups.