Authenticate requests to the Contacts API using OAuth 2.0 with the GHL app credentials. Use the scope contacts.readonly to fetch data and test with a read-only connection before enabling any write permissions.
In the Zapier App Connector, configure OAuth2 or API key authentication as supported by the GHL API, then connect the account and run a test to ensure tokens are valid and scopes are correct.
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
Trigger: When a contact is updated to sync related tasks and notes in connected apps.
Actions: GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes
Methods: Use GET calls to fetch current state, then map to tasks and notes in your workflow.
Key fields: contactId, taskId, notesId
Trigger: New or overdue tasks for a contact trigger automation.
Actions: POST /contacts/:contactId/tasks
Methods: POST to create tasks; PUT for updates
Key fields: contactId, title, dueDate, status
Trigger: Task status change to completed
Actions: PUT /contacts/:contactId/tasks/:taskId/completed
Methods: PUT to mark complete, PATCH to update details
Key fields: taskId, completed
No-code setup lets you automate data flows without writing a line of code.
Easily sync contacts, tasks, notes, and appointments across your apps.
Schedule triggers and actions to keep teams aligned with real-time data.
Important elements and processes for a smooth GHL Contacts API integration with the Zapier App Connector.
Verifying identity and obtaining access to GHL resources through secure tokens.
A specific URL path that returns data or performs an action via the API.
An event that starts an automation in Zapier when data changes or a condition is met.
An operation performed by Zapier to create, update, or delete data.
Use a form submission on your site to update contact fields and attach related tasks automatically.
Create tasks when a new lead is captured and assign to teammates with due dates.
Sync notes between GHL contacts and team notes through Zapier.
In Zapier, add a new account and select your GHL Contacts API connection.
Authorize the connection and run a quick test to verify access to contacts, tasks, and notes.
Create a Zap that triggers on contact updates and performs related actions across apps.
You can authenticate using OAuth 2.0 and an API key issued by your GHL account. In Zapier, connect your GHL account and select the Contacts API with the scopes you need. For read-only use, ensure the scope is set to contacts.readonly and test the connection with sample data before enabling write operations.
Commonly used endpoints include GET /contacts/:contactId, GET /contacts/:contactId/tasks, and GET /contacts/:contactId/notes to surface data for dashboards and automation. For actions, you may use POST /contacts/ to create, PUT /contacts/:contactId/tasks/:taskId to update tasks, and PUT /contacts/:contactId/tasks/:taskId/completed to mark done.
No extensive coding is required. Zapier App Connector provides triggers and actions that map to GHL endpoints. If you need a custom flow beyond built-in options, small scripting isn’t necessary; use multi-step Zaps and filters.
Test connectivity from the Zapier test connection screen or by running a simple Zap that fetches a contact. Check for successful API responses and verify data mapping in your Zap to ensure fields align correctly.
With the appropriate scopes, you can read and write data such as contacts, tasks, and notes. Ensure the GHL account has permissions for the requested endpoints and that you comply with rate limits.
If you hit errors, review the error codes, verify authentication tokens, and inspect requested fields for correctness. Respect rate limits by batching requests and implementing retries with backoff.
Keep data in sync by using consistent field mappings and setting up two-way sync where supported. Document your workflows and monitor logs to catch discrepancies early.
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