To start, generate an API key or OAuth credential for the Contacts API and grant access to the Zapier App Connector. This ensures secure, token-based requests to each endpoint.
Configure the OAuth flow or API token in Zapier App Connector to securely connect to GHL. Test the connection to confirm permissions.
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; API endpoint capability: contacts.write; 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 accessed or updated in GHL to pull in related tasks, notes, and appointments into Zapier for downstream automation.
Actions: GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes, GET /contacts/:contactId/appointments
GET /contacts/:contactId
Key fields: contactId, name, email, phone, status
Trigger when a form submission occurs in APPNAME to create or update a contact in GHL automatically.
Actions: POST /contacts/, PUT /contacts/:contactId
POST /contacts/; PUT /contacts/:contactId
Key fields: contactId, email, firstName, lastName, businessId
Trigger when a task is created or updated in GHL to ensure tasks are mirrored in APPNAME and stay synchronized.
Actions: POST /contacts/:contactId/tasks; PUT /contacts/:contactId/tasks/:taskId; DELETE /contacts/:contactId/tasks/:taskId
POST /contacts/:contactId/tasks; PUT /contacts/:contactId/tasks/:taskId
Key fields: taskId, contactId, title, status, dueDate
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This guide defines common terms, endpoints, and processes used to connect GHL Contacts API with APPNAME.
Application Programming Interface — a set of rules that allows two apps to talk to each other.
A URL on an API that performs a specific action or returns data.
A callback method for real-time updates from a service.
An open standard for delegated authorization using tokens.
When a form is submitted in APPNAME, automatically create or update a contact in GHL with the submitted details, reducing manual data entry.
Create tasks in GHL from APPNAME triggers and push reminders back to APPNAME for seamless follow-ups.
Aggregate notes, tasks, and appointments into a digest for each contact to share with teammates.
Obtain API credentials in GHL and configure in Zapier App Connector; verify scopes and access.
Use test calls to endpoints like GET /contacts/ to ensure data flows correctly and permissions are correct.
Turn on automation, monitor logs, and set up alerts for any failed requests.
You typically need read/write permissions for contacts and related resources like tasks, notes, and appointments. Ensure your OAuth scopes or API keys include contacts.readonly and the required write capabilities (contacts.write) for creating or updating data. If you’re using webhook features, configure the correct event subscriptions to receive real-time updates. Regularly rotate credentials and use secure storage to protect tokens. For production use, apply least-privilege principles and monitor access logs to detect unusual activity, rotating credentials on a set schedule or when a team member changes role.
Yes. If your app has the appropriate write permissions, you can create and update contacts, tasks, and notes in GHL from APPNAME. Use POST /contacts/ to create, PUT /contacts/:contactId to update, and POST /contacts/:contactId/tasks to manage tasks. Implement change-tracking so you can synchronize only the delta updates and avoid overwriting data unintentionally. Always confirm data mapping (fields like email, name, and phone) to prevent duplicates and ensure data integrity across both systems.
Endpoint references are typically found in the GHL API documentation or within the Zapier App Connector’s developer docs. Look for sections listing supported resources like /contacts, /contacts/:contactId/tasks, and /contacts/:contactId/notes. The ENDPOINTLIST placeholder in this page summarizes the endpoints you can use for integration as a practical quick reference. If you need deeper details, consult the official GHL API docs and the APPNAME integration guide for field-level mappings and example requests.
Most providers impose rate limits to protect their services. In this integration, plan for a reasonable request quota and implement exponential backoff in case of throttling. For high-volume usage, consider batching reads or scheduling tasks during off-peak hours. Monitor API usage through logs and dashboards to stay within limits and avoid service disruption.
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