Start by obtaining your API credentials for the Contacts API and applying the scope ‘contacts.readonly’ to ensure read access for automations and data retrieval.
In Zapier, create a connection to the Contacts API by selecting the GHL app and granting permissions. This links your GHL account to Zapier for automated workflows.
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; GET /contacts?; GET /contacts/:contactId; 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
Trigger when a single contact is retrieved via GET /contacts/:contactId to start a workflow and pull related data.
Actions: fetch the contact’s tasks, notes, and appointments to populate downstream steps in Zapier.
GET /contacts/:contactId
contactId, businessId
Trigger on a periodic pull to fetch the contacts list (GET /contacts/).
Actions: Create or update contact records, map fields, and sync tags.
GET /contacts/
contactId, businessId
Trigger when a task is updated or completed (PUT /contacts/:contactId/tasks/:taskId/completed).
Actions: update task status, create new tasks, and reflect changes on the contact’s task list.
PUT /contacts/:contactId/tasks/:taskId/completed
contactId, taskId
Automate end-to-end contact workflows without writing code.
Keep data in sync between GHL and Zapier with real-time or near-real-time updates.
Reduce manual data entry and human error through reliable automations.
Key elements include endpoints, authentication, triggers, actions, and data fields; understanding each will help you design robust automations.
A set of rules that allow applications to communicate with the GHL Contacts API to read and manage data.
The method by which your app proves identity to access the API, typically via OAuth or API keys.
An event that starts an automation, such as a new or updated contact.
A specific URL path in the API that performs a defined action (e.g., GET /contacts/:contactId).
Automate note creation when tasks reach completion to keep a historical trail within the contact record.
Automatically tag contacts based on tasks or task outcomes to improve segmentation.
Create a live dashboard showing recent activities, notes, and tasks per contact.
Obtain clientId, clientSecret, and select scope: contacts.readonly.
Authorize the app in Zapier, choose the Contacts API, and map fields between GHL and Zapier.
Run tests pulling a contact, tasks, and notes to ensure correct synchronization.
The Contacts API read-only scope restricts mutations; use GET endpoints to retrieve data like contacts, tasks, notes, and appointments. To access more data or write capabilities, request elevated permissions from your GHL admin or use alternate authenticated flows.
Authentication can be done via OAuth 2.0 using clientId and clientSecret, or via API keys depending on your setup. In Zapier, create a connection to the GHL Contacts API, authorize, and test by pulling a sample contact.
The available read-only endpoints include GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes, GET /contacts/ and GET /contacts/business/:businessId, among others. These endpoints let you fetch data without modifying it, enabling safe integrations and triggers in workflows.
You can design automations around data retrieval events and change events where supported by the API or via Zapier polling. Webhooks or periodic polling can be used to trigger workflows when relevant data changes are detected.
No coding is required; the Zapier App Connector provides a no-code UI to connect GHL and Zapier. You can map fields, set up triggers, and create actions using connectors and presets.
Rate limits exist to protect the API; plan your requests accordingly and implement retries where needed. If you exceed limits, spread requests over time or contact support for higher quotas and best practices.
In Zapier, create a test Zap, select the GHL Contacts API as the trigger or action, and run the built-in tests to verify data flow. Use sample data from your GHL account or simulated payloads to validate mappings and ensure correct field alignment.
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Complete Operations Catalog - 126 Actions & Triggers
