The Contacts API requires a secure access method. Use OAuth 2.0 or an API key to authorize requests to GHL from the Zapier App Connector.
In Zapier, configure authentication once to securely connect to the GHL Contacts API. Use OAuth 2.0 with refresh tokens or an API key-based approach for simple setups.
GET /contacts/:contactId\nGET /contacts/:contactId/tasks\nGET /contacts/:contactId/tasks/:taskId\nGET /contacts/:contactId/notes\nGET /contacts/:contactId/notes/:id\nGET /contacts/:contactId/appointments\nGET /contacts/\nGET /contacts/business/:businessId\ncontacts.write\nPOST /contacts/\nPUT /contacts/:contactId\nDELETE /contacts/:contactId\nPOST /contacts/:contactId/tasks\nPUT /contacts/:contactId/tasks/:taskId\nPUT /contacts/:contactId/tasks/:taskId/completed\nDELETE /contacts/:contactId/tasks/:taskId\nPOST /contacts/:contactId/tags
Trigger: A contact is accessed in the Contacts API to start a workflow in Zapier App Connector.
Actions: Get a contact, then fetch the contact’s tasks and notes with GET /contacts/:contactId/tasks and GET /contacts/:contactId/notes.
GET /contacts/:contactId
Required: contactId; optional: fields for name, email, phone, status
Trigger: Task events (create/update/complete) for a contact
Actions: Create a task (POST /contacts/:contactId/tasks); update a task (PUT /contacts/:contactId/tasks/:taskId); complete a task (PUT /contacts/:contactId/tasks/:taskId/completed).
POST /contacts/:contactId/tasks
Required: contactId; taskId for updates; title and dueDate; status for completed.
Trigger: Note creation or appointment scheduling for a contact.
Actions: Get notes (GET /contacts/:contactId/notes) and get appointments (GET /contacts/:contactId/appointments).
GET /contacts/:contactId/notes\nGET /contacts/:contactId/appointments
Required: contactId; noteId for specific note; appointmentId for a specific appointment.
Automate routine CRM tasks without writing code, saving time and reducing errors.
Leverage ready-made triggers and actions to build workflows in minutes.
Scale outreach and customer support with synchronized data across apps.
Understanding the core pieces: endpoints, triggers, actions, authentication, and data fields. Glossary terms below.
An API is a set of rules that allows apps to talk to each other and exchange data securely.
The process of verifying identity to grant access to data or services.
A specific URL in an API that performs a function or returns data.
A way for a server to send real-time data to another service when an event occurs.
Capture new leads from web forms and instantly create or update Contacts via the API, then kick off a welcome workflow in Zapier App Connector.
When a task is updated in your project tool, sync the change to the contact’s task list in GHL via the API.
Attach notes to contacts from support chats and trigger reminders through Zapier App Connector.
Obtain your API credentials from the GHL dashboard and configure OAuth2 or API key access in Zapier App Connector.
Set up triggers like contact read, tasks updated, and notes created; map actions to create, update, or fetch data.
Test the workflow end-to-end and deploy to a live Zapier workflow.
The Contacts API supports OAuth 2.0 or API key authentication for secure access when used with the Zapier App Connector. Configure credentials in the app settings to authorize requests. If you are using OAuth, tokens must be refreshed as needed.
You can read contact data with GET /contacts/:contactId, read tasks with GET /contacts/:contactId/tasks, and read notes with GET /contacts/:contactId/notes. Other endpoints include appointments and business lookups.
Yes. You can trigger and act on tasks, notes, and appointments. For example, trigger on new tasks (POST /contacts/:contactId/tasks) or note creation (GET /contacts/:contactId/notes) and use actions to create or update items.
Absolutely. The pre-built triggers and actions in Zapier App Connector let you assemble workflows without code. Use visual editors to map fields and set up conditional steps.
Rate limits depend on your GHL plan and the Zapier integration. Use proper pagination, caching, and batching where supported, and avoid excessive polling.
Map fields by matching GHL field names to Zapier fields. Use the endpoint data model to keep identifiers consistent across apps and update as needed.
Refer to the official GHL API documentation for endpoint details, and contact support for app-specific guidance and troubleshooting.
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