To start, grant permissions for the Contacts API (Scope: contacts.readonly) and generate an API key or OAuth token in your GHL account to enable read-only access for exploration and testing.
In Zapier, connect the Zapier App Connector using the credentials obtained from GHL, then test the connection to ensure data can be read and written as part of your automations.
You’ll commonly use these endpoints to move data between Contacts API and the Zapier App Connector: 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, and write actions like 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, and POST /contacts/:contactId/tags.
Trigger: New or updated contact in Contacts API.
Actions: Create or update a contact record, then pull in related tasks or notes as needed.
Endpoints: POST /contacts/ to create a new contact, or PUT /contacts/:contactId to update an existing one.
Key fields: contactId, name, email, phone, tags.
Trigger: Task or note events for a contact.
Actions: Create tasks, update task status, attach notes, and keep data in sync.
Endpoints: POST /contacts/:contactId/tasks, PUT /contacts/:contactId/tasks/:taskId, GET /contacts/:contactId/notes.
Key fields: contactId, taskId, noteId.
Trigger: Tags added to a contact.
Actions: Add or remove tags via POST /contacts/:contactId/tags.
Endpoint: POST /contacts/:contactId/tags
Key fields: contactId, tags.
No-code integration allows you to build powerful automations with a visual editor, no custom code required.
Fast setup and quick testing enable you to prototype workflows in minutes, then deploy to production.
Reliable operations include retries, error handling, and monitoring built into the flow.
Core concepts explained: endpoints, triggers, actions, authentication, data fields, and mapping between GHL and Zapier.
A specific URL and HTTP method used to access or modify data in the GHL Contacts API.
An event in GHL or Zapier that starts an automation, such as a new contact.
An operation performed in response to a trigger, like creating a contact or updating a task.
The process of validating identity, using OAuth tokens or API keys, to allow access.
Automatically tag new contacts based on their source or value fields to organize your CRM.
Create reminder tasks when a contact’s due date approaches, with automatic assignees.
Log notes to a central channel or report for teams to review.
Obtain OAuth tokens and API keys, then configure scopes.
Choose triggers like new contact and map actions.
Run tests, validate data flows, then deploy automations.
No coding is required to connect GHL Contacts API with the Zapier App Connector. The no-code bridge lets you drag-and-drop triggers and actions, then map fields between systems. Start with a simple read of a contact record to see data flow and build up from there.
For a basic sync, you’ll typically use endpoints to read and write contact data: GET /contacts/:contactId, GET /contacts/:contactId/tasks, GET /contacts/:contactId/notes, POST /contacts/, PUT /contacts/:contactId, and POST /contacts/:contactId/tasks. You may also use GET /contacts/ for listing and GET /contacts/business/:businessId for business context. Ensure the contacts.write scope is granted for create and update actions.
Authentication is handled via OAuth tokens and API keys. Store tokens securely, rotate keys periodically, and limit token scope to your needs. Use sandbox or test mode to validate authentication before going live.
Yes. You can update existing contacts by sending PUT /contacts/:contactId with the updated fields. You can also update related data such as tasks and notes using the corresponding endpoints.
Rate limits apply to API requests. If you hit a limit, implement exponential backoff and retry logic, and plan requests to avoid bursts. Most integrations stay within recommended quotas by batching and caching where possible.
Yes. You can attach multiple tags in one step by sending a tags payload to POST /contacts/:contactId/tags or by updating the contact’s tags field in a PUT request. Map each tag clearly to avoid duplicates.
You can test new automations in Zapier’s test mode and, when ready, move to live execution. Use a sandbox environment in GHL if available to validate data flows without affecting production data.
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Complete Operations Catalog - 126 Actions & Triggers
