Authenticate to the Contacts API using your GHL API key or OAuth token. Store credentials securely and rotate regularly.
LaGrowthMachine authenticates with the Contacts API via the same token. Use the client credentials from your app settings to obtain access tokens.
1) GET /contacts/:contactId; 2) GET /contacts/:contactId/tasks; 3) GET /contacts/:contactId/tasks/:taskId; 4) GET /contacts/:contactId/notes; 5) GET /contacts/:contactId/notes/:id; 6) GET /contacts/:contactId/appointments; 7) GET /contacts/; 8) GET /contacts/business/:businessId; 9) contacts.write; 10) POST /contacts/; 11) PUT /contacts/:contactId; 12) DELETE /contacts/:contactId; 13) POST /contacts/:contactId/tasks; 14) PUT /contacts/:contactId/tasks/:taskId; 15) PUT /contacts/:contactId/tasks/:taskId/completed; 16) DELETE /contacts/:contactId/tasks/:taskId; 17) POST /contacts/:contactId/tags
Trigger: when a new contact is created in LaGrowthMachine, create or update the corresponding contact in Contacts API.
Actions: push core fields (name, email, phone), assign tags, create initial notes or tasks.
POST /contacts/
email, firstName, lastName, phone
Trigger: when a task is updated in LaGrowthMachine, reflect status in GHL as task change.
Actions: update task status, due date, and notes; create subtasks as needed.
PUT /contacts/:contactId/tasks/:taskId
contactId, taskId, status, dueDate, title
Trigger: when contact data changes, update tags and notes in Contacts API.
POST /contacts/:contactId/tags
contactId, tagName, notes
Rapid setup with visual workflow mapping; no code required.
Bi-directional data sync keeps records consistent across platforms.
Scales with your business as you add more contacts, tasks, and notes.
This section defines the core terms and processes you’ll use when connecting GHL Contacts API with LaGrowthMachine.
API stands for Application Programming Interface. It allows two applications to talk to each other securely and reliably.
Authentication verifies that requests come from a trusted source, using tokens or keys.
An endpoint is a specific URL that performs an action, often with parameters like contactId.
A webhook is a callback URL that receives real-time notifications from another service.
Set up a flow that creates a contact in Contacts API when a lead is added in LaGrowthMachine, pulling in core fields like name and email.
Whenever a task is completed in LaGrowthMachine, update the corresponding task in Contacts API and log a note.
Automatically add relevant tags in GHL based on fields changed in LaGrowthMachine (e.g., lifecycle stage).
Obtain your API key or OAuth token from GHL and configure your LaGrowthMachine app settings.
Enter the endpoint paths you will use, such as POST /contacts/ and PUT /contacts/:contactId/tasks/:taskId.
Run tests for create, update, and delete flows, then monitor the integration in real time.
You can set up the integration with no code by using the built-in connectors. Start by authenticating with your GHL key, then map fields from LaGrowthMachine to Contacts API. This keeps your data flowing automatically. If you need more control, you can still leverage custom steps, but no-code is sufficient for most teams.
The endpoints listed above cover typical use cases: create, read, update, and delete contacts; manage tasks; notes; and tags. You can mix and match endpoints to fit your workflow. Review the endpoints section for specifics on parameters.
Yes. If your GHL account supports webhooks, you can configure LaGrowthMachine to receive real-time updates. Use webhooks to trigger automated actions when data changes.
Authentication is typically handled via API keys or OAuth tokens. You will need to create and store credentials securely in your app settings and refresh tokens as needed.
Test connections in a sandbox or staging environment first. Validate each endpoint by performing sample create, read, update, and delete operations and observe responses.
The integration supports bi-directional updates where possible. Updates in LaGrowthMachine can propagate to Contacts API and vice versa, depending on permissions.
The endpoints section in this guide lists all available endpoints with method paths and examples. Use it as a reference when building your workflow.
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