The Contacts API uses OAuth 2.0 with the scope defined as contacts.readonly. Obtain client credentials from your GHL developer portal and authorize Zapier App Connector to access contact data on your behalf. Store tokens securely and refresh before expiry.
In Zapier, configure the OAuth 2.0 flow between the Zapier App Connector and the GHL Contacts API. Provide the client ID and secret, request the contacts.readonly scope, and test the connection to verify tokens are valid.
– GET /contacts/:contactId\n- GET /contacts/:contactId/tasks\n- GET /contacts/:contactId/tasks/:taskId\n- GET /contacts/:contactId/notes\n- GET /contacts/:contactId/notes/:id\n- GET /contacts/:contactId/appointments\n- GET /contacts/\n- GET /contacts/business/:businessId\n- POST /contacts/\n- PUT /contacts/:contactId\n- DELETE /contacts/:contactId\n- POST /contacts/:contactId/tasks\n- PUT /contacts/:contactId/tasks/:taskId\n- PUT /contacts/:contactId/tasks/:taskId/completed\n- DELETE /contacts/:contactId/tasks/:taskId\n- POST /contacts/:contactId/tags
Trigger when a contact is created or updated in GHL to start a Zap, enabling real-time automation.
Actions include creating or updating CRM records in connected apps, tagging contacts, or creating follow-up tasks.
Common methods include GET /contacts/:contactId and PUT /contacts/:contactId for read and update operations.
Key fields: contactId, firstName, lastName, email, phone
Trigger on new or updated tasks or notes tied to a contact to keep records aligned across apps.
Actions: create or update tasks, log notes, assign owners, and update statuses.
Endpoints used may include POST /contacts/:contactId/tasks and GET /contacts/:contactId/notes.
Key fields: contactId, taskId, noteId
Trigger bulk imports or tag updates when a segment or list membership changes in your connected apps.
Actions: batch create/update contacts, apply tags, and push segmentation to downstream apps.
Common paths: POST /contacts/ and PUT /contacts/:contactId/tags
Key fields: contactId, tags
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This glossary defines core terms and processes when connecting GHL’s Contacts API with the Zapier App Connector, including endpoints, triggers, actions, and data objects.
A defined URL path in an API that performs a specific operation, such as retrieving or updating a contact.
An authorization framework that provides access tokens to call an API on behalf of a user.
A set of permissions requested during authentication that limit access to resources.
A token used to obtain a new access token without re-authenticating.
Automatically route new or updated contacts to specific campaigns or workflows in connected apps via Zapier.
Create tasks and log notes in response to customer actions to maintain a single source of truth.
Auto-apply tags to contacts based on behavior across apps to trigger targeted campaigns.
Create/confirm GHL API credentials and configure OAuth in Zapier to authorize the Zapier App Connector.
Use test calls to fetch sample contacts and verify data mapping.
Create a Zap that triggers on contact changes and performs actions across connected apps.
Answer: The Contacts API uses scope-based access. Use the contacts.readonly scope for read-only operations. If you need write access, request the contacts.write scope. Always follow least-privilege principles and store tokens securely. When testing, start with read-only calls to verify data mappings.
Answer: Authenticate via OAuth 2.0. In Zapier, configure the OAuth flow, provide your client ID and secret, request the contacts.readonly scope, and test the connection. Use refresh tokens to maintain access without prompting the user again. Monitor token expiry and securely store credentials.
Answer: Commonly used endpoints include GET /contacts/:contactId, POST /contacts/, PUT /contacts/:contactId, GET /contacts/:contactId/tasks, POST /contacts/:contactId/tasks, and GET /contacts/:contactId/notes. The full list appears in the endpoint list.
Answer: Yes. You can create new contacts with POST /contacts/ and update with PUT /contacts/:contactId. Deleting is available via DELETE /contacts/:contactId. Use appropriate scopes.
Answer: There are rate limits per API plan. If you hit limits, spread requests over time and use exponential backoff. Refer to the API docs for current quotas.
Answer: Check connection status in Zapier test, review OAuth scopes, verify client credentials, and ensure the endpoint paths are correct. Use sample data to troubleshoot field mappings and mapping schemas.
Answer: The full endpoint list and docs are available in the endpoint section of this page and in the official API docs portal. Use the endpoint list for quick reference and the detailed docs for parameters.
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