Authenticate requests with your GHL API credentials and the defined scope (contacts.readonly). Store keys securely and rotate credentials regularly to maintain a secure connection.
Grant Lemon Squeezy access to the GHL Contacts API for the required data permissions. This enables reading and syncing contacts, tasks, notes, and appointments between the two apps.
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, 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 updated in GHL, push the updated contact record to Lemon Squeezy to keep both systems aligned.
Actions: Create or update contacts in Lemon Squeezy; fetch related tasks, notes, and appointments to mirror the GHL record.
Method path: GET /contacts/:contactId to retrieve a single contact for synchronization.
Key fields: contactId, name, email, phone, company
Trigger: A new task is created in Lemon Squeezy and a corresponding task is created in GHL for tracking.
Actions: Create, update, or complete tasks in GHL; attach notes as needed and map task status.
Method path: POST /contacts/:contactId/tasks to create a new task linked to a contact.
Key fields: contactId, taskId, title, dueDate, status
Trigger: A new note or appointment is added in Lemon Squeezy to create a corresponding note or appointment in GHL.
Actions: Create notes via /contacts/:contactId/notes and schedule appointments via /contacts/:contactId/appointments.
Method path: GET /contacts/:contactId/notes and GET /contacts/:contactId/appointments to retrieve related entries.
Key fields: contactId, noteId, appointmentId, date
Eliminate manual data entry by syncing contacts, tasks, notes, and appointments between Lemon Squeezy and GHL automatically.
Automate routine workflows to save time and reduce errors across both platforms.
Maintain accurate, up‑to‑date records with bi-directional updates and consistent field mappings.
This glossary explains the core terms and data flows used in the integration between GHL’s Contacts API and Lemon Squeezy, helping you map fields and build reliable automations.
A person record in the GHL Contacts API, identified by fields such as name, email, phone, and company.
A text entry attached to a contact, used for comments, context, or activity history.
A to‑do item linked to a contact, with status, due date, and assignees.
A scheduled calendar event tied to a contact, including date, time, and location.
Whenever a purchase occurs in Lemon Squeezy, automatically create or update the corresponding contact in the GHL Contacts API and attach order information for a complete view of the customer journey.
Trigger task creation in GHL when customers hit milestones or renewal events in Lemon Squeezy to ensure proactive follow-ups.
Append notes in GHL when support notes are added in Lemon Squeezy to create a complete activity trail for each contact.
Obtain your GHL API key, select the Contacts API scope (e.g., readonly), and configure app permissions in Lemon Squeezy.
Authenticate the connection with OAuth or API keys, then run sample calls (like GET /contacts) to verify data flow.
Create workflows that map fields between GHL and Lemon Squeezy and set triggers for real-time updates.
No coding is required thanks to the no-code connectors and templates. You can set up common sync patterns with simple field mappings. If you need advanced mappings, you can use custom fields and conditional logic to tailor the flow. Tip: Start with a basic sync and gradually add complexity as you validate data accuracy.
You can sync core objects such as Contacts, Tasks, Notes, and Appointments. Depending on permissions, you can read and write data to keep both platforms aligned. You may also attach order data from Lemon Squeezy to Contacts for richer records. Always map key identifiers (like contactId) to ensure reliable bi-directional updates.
Rate limits depend on your GHL plan and API usage. In practice, typical integrations handle periodic syncing without hitting limits, but for high-volume workloads you may implement batching and exponential backoff. Monitor usage via logs and set alerts if requests exceed thresholds.
Yes, you can delete data via the API, but proceed with caution. Implement safeguards like soft deletes or confirm steps in automations to prevent accidental data loss. Always back up critical records before performing delete operations.
Field mapping is done in the integration builder. Start with core fields (name, email, phone) and progressively map custom fields as needed. Use test runs to confirm that data lands in the correct fields on both sides. Consider creating a data dictionary to keep mappings consistent.
Endpoint usage and logs can be viewed in your integration dashboard or API log viewer. Review recent requests, status codes, and payloads to diagnose issues. Set up webhook alerts to be notified of failed calls or unusual activity.
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