Authenticate requests with your GHL API credentials. Use OAuth 2.0 tokens or API keys as provided by your account and store them securely; include the Authorization header in each request.
Zapier manages the OAuth flow and stores connected accounts so you can securely run actions against the Contacts API without re-entering credentials.
Core endpoints include: 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, plus write/delete endpoints such as 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. This page references all 54 endpoints to illustrate capabilities.
Trigger: A new contact is created or an existing contact is updated in Contacts API.
Actions: POST /contacts/ to create a contact; PUT /contacts/:contactId to update; POST /contacts/:contactId/tasks to add tasks; PUT /contacts/:contactId/tasks/:taskId to modify tasks.
Methods: POST /contacts, PUT /contacts/:contactId, POST /contacts/:contactId/tasks, PUT /contacts/:contactId/tasks/:taskId
Key fields: contactId, name, email, phone, task list, notes
Trigger: New or updated contact prompts retrieval of detailed information.
Actions: GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes, GET /contacts/:contactId/appointments.
Methods: GET for the above endpoints
Key fields: contactId, required scopes: contacts.readonly
Trigger: Tag updates or bulk data import affecting Contacts.
Actions: POST /contacts/:contactId/tags, PUT /contacts/:contactId/tasks/:taskId/completed.
Methods: POST /contacts/:contactId/tags; PUT /contacts/:contactId/tasks/:taskId/completed
Key fields: contactId, tagIds, taskId
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Key elements include API endpoints, authentication flows, data mapping, triggers, actions, and error handling throughout integrations.
A specific URL path that performs a defined operation in the GHL Contacts API.
The method by which your app proves identity to access protected resources (e.g., OAuth token or API key).
An event in Zapier that starts an automation, such as a new or updated contact.
A core object in the CRM like contact, task, note, or appointment.
Capture new leads from forms and automatically create or update Contacts, then assign welcome tasks.
Link new tickets to the corresponding contact and automatically update task lists and notes.
Build dashboards showing contact activity across endpoints and tasks for quick insights.
In Zapier, choose Contacts API as the app and connect using your GHL credentials.
Select triggers (e.g., contact created) and map fields to actions (e.g., create task, add note).
Run tests, validate data flow, and enable the Zap.
A wide range of endpoints exist for contacts, tasks, notes, and appointments. Start with listing endpoints like GET /contacts/:contactId and POST /contacts/ to manage records. Use GET endpoints to pull data and POST/PUT/DELETE for changes.
Authentication uses your GHL credentials and Zapier’s OAuth flow. You connect accounts in Zapier, then Zapier uses stored tokens to call the GHL API securely.
Yes. You can create a Zap that retrieves a contact and then creates a related task in the same workflow by chaining GET and POST/PUT endpoints.
Rate limits depend on your GHL plan. If you exceed limits, Zapier will retry with backoff and provide error details.
Map fields in Zapier’s action step to the corresponding fields in GHL (name, email, phone, task details, etc.). Use dynamic data from triggers to populate values.
If a Zap fails, check the task history in Zapier and the API response in GHL logs. Fix mapping, credentials, or endpoint usage and re-run.
Logs appear in Zapier task history and in your GHL account activity logs. You can also enable error emails and review API responses for debugging.
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Complete Operations Catalog - 126 Actions & Triggers
