Access to the Contacts API requires securely issued credentials. Use OAuth 2.0 where supported or API keys with proper scopes (e.g., contacts.readonly for read-only work and broader scopes for write actions). Store tokens securely and rotate them on a regular schedule.
Stax authentication uses your app credentials to authorize calls to the Contacts API. Ensure the app has the necessary scopes and that redirect URIs are registered. Treat access tokens as sensitive data and revoke them if a breach is suspected.
Examples include: 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, 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, among others. Each endpoint supports standard CRUD operations with appropriate path parameters and payload schemas.
Trigger: new subscriber in Stax. Action: POST /contacts/ to create the contact in Contacts API; map name, email, and custom fields from Stax to the Contacts API payload.
Actions: create contact, attach initial notes, create default tasks. Optional: update on subsequent changes.
POST /contacts/
Key fields: contactId (generated by API), email, name, phone
Trigger: contact updated in Stax. Action: PUT /contacts/:contactId to refresh the record in Contacts API.
Actions: update contact fields, sync related tasks/notes, maintain tags. Include patch semantics for partial updates.
PUT /contacts/:contactId
Key fields: contactId, email, status
Trigger: new task or note created in Stax. Action: POST /contacts/:contactId/tasks or POST /contacts/:contactId/notes in Contacts API.
Actions: create tasks, add notes, assign due dates, associate with contact.
POST /contacts/:contactId/tasks (or POST /contacts/:contactId/notes)
Key fields: contactId, taskId, noteId
Automate data flows between Apps without writing code, reducing manual data entry and errors.
Maintain a single source of truth for contacts, tasks, and notes across Stax and Contacts API.
Speed up onboarding and execution with ready-made workflows that scale with your business.
A quick glossary of terms you’ll see when building GHL–Stax integrations: endpoints, authentication, webhooks, and common data fields.
A specific URL in the API that performs an action or returns data.
The process of proving identity to access the API, typically via OAuth2 or API keys.
A real-time notification sent to your app when an event occurs.
The maximum number of requests allowed in a given time window to protect the API.
Set up a workflow to create a new contact in Contacts API whenever Stax records a new subscriber. Map name, email, and custom fields automatically.
When a task is assigned in Stax, generate a corresponding task in Contacts API and link it to the right contact.
Push important notes from Stax into contact notes in the API to keep context and history synced.
Grant permission for Stax to access the Contacts API and approve required scopes.
Choose endpoints to expose, map fields, and set data transformations as needed.
Run tests to verify data flows, then activate the integration for production use.
The integration exposes a broad set of endpoints for reading and writing contacts, tasks, notes, and appointments. You can start with read-only operations and extend to full CRUD as your workflow requires. Each endpoint expects the appropriate HTTP method and payload shape as documented in the guide. For a complete view, review the Endpoint List section in this page and reference the API reference for parameter details and response schemas.
No special coding is required. The GHL-Stax connector is designed for no-code setup via the Zapier App Connector, with guided field mappings and built-in actions. You can build powerful automations using the UI alone. If you prefer, you can also extend functionality with small scripts or custom fields, but the core flows work without any coding.
Authentication uses standard OAuth 2.0 flows or API keys, depending on what your team configures. Acquire client credentials, consent scopes, and securely store access tokens. Rotate credentials regularly, limit scopes to only what you need, and revoke tokens if a breach is suspected to keep your data safe.
Yes, the read-only scope (contacts.readonly) allows you to fetch data without modifying it. To write data (create, update, delete), grant the appropriate write scope. Adjust scopes at the integration level to match your desired security posture and workflows.
The API enforces rate limits to protect performance. If you hit the limit, implement exponential backoff or retries and stagger requests where possible. In production, monitor quota usage and consider batching requests or requesting higher rate limits from your provider if available.
Yes. Use PUT /contacts/:contactId to update an existing contact. Carefully map fields to ensure data remains consistent and consider optimistic locking if supported by the API. Always validate data before update to avoid overwriting important fields.
Test in a sandbox or test mode provided by the App Connector. Run through typical user scenarios, verify field mappings and responses, and check task and note creation fidelity. Once all tests pass, switch to live mode and monitor logs and data flows to confirm stability.
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