Authenticate securely with OAuth 2.0 using your GHL developer app credentials. Use the access token to call endpoints within the specified scope (contacts.readonly) and refresh tokens as needed.
Squarespace Forms will use the connected app credentials to post submissions to the Contacts API. Ensure the app has permission to read and write contact data and that redirects and scopes are configured correctly.
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 new Squarespace form is submitted to create a contact in the Contacts API.
Actions: POST /contacts/ to create, map fields like email, name, and phone; optionally create a note for context.
POST /contacts/
email, firstName, lastName, formSubmissionId
Trigger on submissions that include an existing email to update a contact.
Actions: PUT /contacts/:contactId to update fields; add a note; optionally sync tags.
PUT /contacts/:contactId
contactId, email, formSubmissionId
Trigger when a form is submitted to apply tags to the contact.
Actions: POST /contacts/:contactId/tags to apply relevant tags; can create multiple tags.
POST /contacts/:contactId/tags
contactId, tags
Automate lead capture by turning Squarespace submissions into contact records in real time.
Keep contact data up to date with automated field syncs and notes.
Improve follow-up efficiency by creating tasks and scheduling activity directly from form data.
Understand the core elements: endpoints, triggers, actions, and fields you map between Squarespace Forms and the GHL Contacts API.
An Application Programming Interface that lets two apps talk to each other.
A specific URL and HTTP method that performs a defined action in an API.
A secure authorization framework used to obtain access tokens for API calls.
The data sent with an API request or received in a response.
Automatically create a contact in GHL when a Squarespace form is submitted, with key fields mapped.
Sync changes from the form to existing contacts to keep data fresh.
Create tasks or notes in GHL based on form data to streamline follow-up.
Register your app to obtain API credentials and set required scopes.
Set up OAuth2 or API keys and ensure redirect URIs are correct.
Define field mappings, endpoints, and test the integration thoroughly.
No, you do not necessarily need Zapier. You can connect Squarespace Forms directly to the GHL Contacts API using API endpoints and an automation platform or custom middleware. Zapier is one option among several that can simplify the workflow. It provides a user-friendly interface and extensive app integrations. You can also implement direct API calls in your own workflow if you prefer.
OAuth 2.0 is commonly used for secure access to the GHL Contacts API. You will obtain an access token after user authorization and refresh it as needed. If your setup uses API keys or a different auth method, ensure tokens are stored securely and scopes match your needs.
Map core fields such as email, firstName, lastName, and phone. You may also map custom fields to ensure form submissions populate the right contact attributes in the API.
Both are possible. Use POST /contacts/ to create new contacts when there is no match. Use PUT /contacts/:contactId to update when a contact already exists and you have an identifier.
Implement robust error handling and retries. Capture error codes and retry according to the API guidelines. Use idempotent requests where possible to avoid duplicate records.
Yes. You can apply tags by sending a POST to /contacts/:contactId/tags with the appropriate tag data. Tags help segment contacts for campaigns and workflows.
Ensure data is transmitted over HTTPS, use secure storage for tokens, validate input from Squarespace, and follow least-privilege access principles for the connected app.
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Complete Operations Catalog - 126 Actions & Triggers
