How to Connect Zapier App Connector to Contacts API

Connecting Zapier App Connector with the Contacts API for GMass workflows

How to Connect the Contacts API with Zapier App Connector

This guide shows how to connect the GHL Contacts API to the Zapier App Connector to automate GMass workflows. Use the endpoints to pull contacts, tasks, notes, and more.

Authentication for the Contacts API

Use OAuth or API tokens to securely authorize access to the GHL Contacts API from Zapier App Connector. Store credentials securely in Zapier.

Authentication for Zapier App Connector

Set up OAuth credentials or API keys in Zapier to authorize calls to the GHL API through the connector. Rotate keys regularly.

GHL Contacts API Endpoints

GET /contacts/:contactId; GET /contacts/:contactId/tasks; GET /contacts/:contactId/tasks/:taskId; GET /contacts/:contactId/notes; GET /contacts/:contactId/notes/:id; GET /contacts/:contactId/appointments; GET /contacts/; GET /contacts/business/:businessId; POST /contacts/; PUT /contacts/:contactId; DELETE /contacts/:contactId; POST /contacts/:contactId/tasks; PUT /contacts/:contactId/tasks/:taskId; PUT /contacts/:contactId/tasks/:taskId/completed; DELETE /contacts/:contactId/tasks/:taskId; POST /contacts/:contactId/tags

Top 3 GMass to Contacts API connections

1) Retrieve a contact and related data

Trigger: New or updated contact in GMass

Actions: Fetch contact details, fetch notes, fetch tasks

GET /contacts/:contactId

id, name, email, phone, status

Top 3 GMass to Contacts API connections

2) Sync contact tasks to GMass

Trigger: Task updates for a contact

Actions: List tasks, create or update tasks

GET /contacts/:contactId/tasks

id, taskId, taskName, dueDate, status

Top 3 GMass to Contacts API connections

3) Attach notes and tags to contacts

Trigger: Note added or updated for a contact

Actions: Create notes, update tags

GET /contacts/:contactId/notes

id, note, createdAt

No-code benefits for GMass and Zapier

Automate GMass and GHL workflows without writing code using Zapier App Connector.

Save time by syncing contacts, tasks, and notes between GMass and GHL with no-code automations.

Create powerful automations with simple triggers and actions to speed up campaigns.

GHL Contacts API Glossary and Key Terms

Explore endpoints, triggers, actions, and fields used in the GMass integration with GHL’s Contacts API via the Zapier App Connector.

API Endpoint

A URL path used to access a specific resource in the GHL API.

Trigger

An event in the GMass and GHL integration that starts an automation workflow.

Action

An operation performed in response to a Trigger, such as creating or updating a contact or task.

Field

A piece of data returned by the API, such as id, name, email, or status.

People also Search for:

3 Creative Ideas for GMass + Zapier + Contacts API

Idea 1: Automated lead follow-ups

Automatically pull contact details when a new lead is added in GMass and create follow-up tasks.

Idea 2: Status-driven customer journeys

Update tags and notes based on task progress to guide messaging in GMass.

Idea 3: Clean data sync

Regularly sync contacts, tasks, and notes to keep data aligned.

3 Steps to Connect GHL Contacts API with Zapier App Connector

Step 1: Authenticate

Provide OAuth credentials or API key to authorize access to the GHL Contacts API from Zapier App Connector.

Step 2: Select Data

Choose which contact fields, tasks, and notes to sync or automate.

Step 3: Build Automations

Create triggers and actions to automate GMass workflows with GHL data.

Frequently Asked Questions

Do I need to code to connect GMass with GHL via Zapier?

No coding is required; the Zapier App Connector helps you integrate the GHL Contacts API without writing code. You can map fields, set triggers, and automate workflows with a few clicks. This makes it easy to get up and running quickly.

The GMass integration exposes endpoints for reading and manipulating contacts, tasks, notes, and tags (e.g., GET /contacts/:contactId, GET /contacts/:contactId/tasks, POST /contacts/, etc.). Use reads (GET) to fetch data and writes (POST/PUT/DELETE) to create or update records. See the Endpoints section above for the full list.

Data is secured using OAuth or API keys, encrypted transmission (HTTPS), and standard best practices for credential management in Zapier. Rotate credentials regularly and monitor access logs. If you handle sensitive data, consider additional security controls in your Zapier workspace.

Yes. You can test connections and workflows in Zapier’s test mode before going live. Use sample data to validate triggers, actions, and field mappings without impacting live records.

API rate limits depend on your GHL plan and the specific endpoints used. In most scenarios, you’ll operate within standard REST call limits; if you anticipate high volume, contact support to discuss quotas and best practices.

Absolutely. You can sync and automate across contacts, tasks, and notes. This enables comprehensive CRM workflows, reminders, and collaboration across GMass and GHL via Zapier.

If authentication fails, verify credentials (OAuth tokens or API keys), ensure the correct GHL account and app permissions, and re-authenticate in Zapier. Check your connected accounts and refresh tokens if needed; review error messages for specific causes.

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🚀 GoHighLevel Integration

Complete Operations Catalog - 126 Actions & Triggers

126
Total Operations
55
Polling Triggers
71
Actions
14
Categories
👥

Contacts

10 Triggers 18 Actions
Trigger
Get Contact
Retrieve a specific contact by ID
Trigger
Search Contacts
Advanced search with filters
Trigger
Get Contacts by Business
Retrieve contacts linked to a business
Trigger
Get Duplicate Contact
Check for duplicate contacts
Trigger
Get Contact Appointments
List all appointments for a contact
Trigger
Get Contact Tasks
Retrieve all tasks for a contact
Trigger
Get Contact Task by ID
Get specific task details
Trigger
Get Contact Notes
List all notes for a contact
Trigger
Get Contact Note by ID
Retrieve specific note details
Trigger
List Contacts (Deprecated)
Legacy contact listing method
Action
Create Contact
Add a new contact to the system
Action
Update Contact
Modify existing contact information
Action
Find Contact
Search by email, phone, or ID
Action
Delete Contact
Remove a contact permanently
Action
Upsert Contact
Create or update contact automatically
Action
Add Tags to Contact
Tag contacts for organization
Action
Remove Tags from Contact
Remove specific tags
Action
Bulk Update Contact Tags
Add or remove multiple tags at once
Action
Create Contact Task
Add a new task for a contact
Action
Update Contact Task
Modify existing task details
Action
Complete Contact Task
Mark task as complete
Action
Delete Contact Task
Remove a task permanently
Action
Create Contact Note
Add notes to contact records
Action
Update Contact Note
Edit existing notes
Action
Delete Contact Note
Remove notes from contacts
Action
Add Contact to Campaign
Enroll contact in campaign
Action
Remove from Campaign
Remove contact from specific campaign
Action
Remove from All Campaigns
Unenroll from all campaigns
📅

Calendars & Appointments

13 Triggers 21 Actions
Trigger
List Calendar Groups
Get all calendar groups
Trigger
List Calendars
Retrieve all calendars
Trigger
Get Calendar by ID
Get specific calendar details
Trigger
Get Free Slots
Check calendar availability
Trigger
List Calendar Events
Get all scheduled events
Trigger
List Blocked Slots
View unavailable time slots
Trigger
Get Appointment
Retrieve appointment details
Trigger
List Appointment Notes
Get notes for appointments
Trigger
List Calendar Notifications
View notification settings
Trigger
Get Calendar Notification
Get specific notification
Trigger
List Calendar Resources
View rooms and equipment
Trigger
Get Calendar Resource
Get specific resource details
Action
Create Calendar Group
Set up new calendar group
Action
Update Calendar Group
Modify calendar group settings
Action
Update Group Status
Enable or disable calendar group
Action
Delete Calendar Group
Remove calendar group
Action
Validate Group Slug
Check if slug is available
Action
Create Calendar
Add new calendar
Action
Update Calendar
Modify calendar settings
Action
Delete Calendar
Remove calendar permanently
Action
Create Appointment
Book new appointment
Action
Update Appointment
Modify appointment details
Action
Delete Event
Cancel and remove event
Action
Create Block Slot
Block time on calendar
Action
Update Block Slot
Modify blocked time
Action
Create Appointment Note
Add notes to appointments
Action
Update Appointment Note
Edit appointment notes
Action
Delete Appointment Note
Remove appointment notes
Action
Create Calendar Notification
Set up reminders
Action
Update Notification
Modify notification settings
Action
Delete Notification
Remove notification
Action
Create Calendar Resource
Add room or equipment
Action
Update Calendar Resource
Modify resource details
Action
Delete Calendar Resource
Remove resource
💼

Opportunities

3 Triggers 7 Actions
Trigger
Search Opportunities
Find opportunities with filters
Trigger
Get Opportunity
Retrieve specific opportunity
Trigger
List Pipelines
View all opportunity pipelines
Action
Create Opportunity
Add new sales opportunity
Action
Update Opportunity
Modify opportunity details
Action
Delete Opportunity
Remove opportunity
Action
Update Opportunity Status
Change status (open, won, lost)
Action
Upsert Opportunity
Create or update opportunity
Action
Add Followers
Assign team members to follow
Action
Remove Followers
Unassign followers
👤

Users

4 Triggers 3 Actions
Trigger
Search Users
Find users with filters
Trigger
Filter Users by Email
Search users by email address
Trigger
Get User
Retrieve user details
Trigger
List Users by Location
Get users in specific location
Action
Create User
Add new user to system
Action
Update User
Modify user information
Action
Delete User
Remove user from system
💬

Conversations & Messages

8 Triggers 2 Actions
Trigger
Search Conversations
Find conversations by filters
Trigger
Get Conversation
Retrieve conversation details
Trigger
Get Email by ID
Retrieve specific email
Trigger
Get Message by ID
Get specific message details
Trigger
Get Messages by Conversation
List all conversation messages
Trigger
Get Message Recording
Retrieve voice recording
Trigger
Get Message Transcription
Get transcribed message text
Trigger
Download Transcription
Download transcription file
Action
Update Message Status
Change message read/unread status
Action
Agent Typing Indicator
Show typing indicator in chat
🏢

Businesses

2 Triggers 3 Actions
Trigger
Get Business
Retrieve business details
Trigger
List Businesses by Location
Get all businesses in location
Action
Create Business
Add new business
Action
Update Business
Modify business details
Action
Delete Business
Remove business
🔄

Workflows & Campaigns

3 Triggers 5 Actions
Trigger
List Workflows
Get all workflows
Trigger
List Snapshots
View available snapshots
Trigger
List Campaigns
Get all campaigns
Action
Add Contact to Workflow
Enroll in workflow automation
Action
Remove from Workflow
Unenroll from workflow
Action
Add Contact Followers
Assign followers to contact
Action
Remove Contact Followers
Unassign followers
Action
Bulk Business Update
Add/remove contacts from business
⚙️

Other Operations

20 Triggers 8 Actions
Trigger
List Locations
Get all locations
Trigger
List Custom Fields
View custom field definitions
Trigger
Get Company
Retrieve company information
Trigger
Find Associations
Search associations
Trigger
Get Association
Retrieve association details
Trigger
Get Association Key
Get key by name
Trigger
Get Association by Keys
Find by object keys
Trigger
Get Relations by Record
List record relations
Trigger
Check Blog URL Slug
Verify slug availability
Trigger
Get Blog Authors
List blog authors
Trigger
Get Blog Categories
List blog categories
Trigger
Get Blog Posts
List posts by blog
Trigger
Get Blogs by Location
List location blogs
Action
Find Location by ID
Retrieve location details
Action
Create Location
Add new location
Action
Create Association
Link related records
Action
Update Association
Modify association
Action
Delete Association
Remove association
Action
Create Relation
Establish record relation
Action
Delete Relation
Remove record relation
Action
Create Blog Post
Publish new blog post
Action
Update Blog Post
Edit blog post

✨ Key Capabilities

📊 Contact Management

  • 10 custom field slots per contact
  • Advanced search with filters
  • Duplicate detection
  • Tag management (bulk operations)
  • Full task and note management
  • Campaign & workflow enrollment

📅 Calendar Features

  • Calendar groups with slugs
  • Multiple calendar types
  • Free slot checking
  • Appointment booking system
  • Blocked slots management
  • Room & equipment resources

💼 Sales Pipeline

  • Multi-pipeline support
  • Stage management
  • Status tracking (won, lost, etc)
  • Monetary value tracking
  • User assignment
  • Follower management

🔄 Automation Ready

  • Workflow automation support
  • Campaign management
  • Polling triggers (1-15 min)
  • Real-time conversations
  • Bulk operations
  • Upsert capabilities
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