API keys let you integrate external services with your Squarespace site securely. They enable automated workflows for forms, commerce, and site management.

Available APIs by Plan Type:

• Forms API (Zapier integration): Core, Plus, Advanced, Business, and Commerce plans
• Orders, Inventory, and Transactions APIs: Core, Plus, Advanced, and Commerce Advanced plans

What You Can Build:

• Connect to third-party fulfillment and shipping apps
• Sync inventory across sales channels
• Automate order confirmations and shipping labels
• Streamline accounting processes
• Enable Zapier integrations

Creating an API Key:

1. Go to Developer Tools panel
2. Click Developer API Keys
3. Click Generate Key
4. Name your key
5. Select required permissions
6. Click Next
7. Copy and securely store your unique API key

Key Security Tips:

• Store keys securely like passwords
• Make backup copies
• Keys cannot be recovered once window is closed
• Create multiple keys as needed

Zapier Integration Connect Forms Block, Newsletter Block, and Cover Page Forms to automate workflows with services like Slack, Trello, ConvertKit, and Salesforce.

Commerce API Features:

• Inventory API: Sync inventory management
• Orders API: Manage shipping and fulfillment
• Products API: Create, edit, delete products
• Transactions API: Connect accounting services
• Webhook Subscription API: Receive site notifications

Important Notes:

• Only Square, Stripe, or PayPal can process payments
• Commerce APIs are for custom merchant integrations
• Official extensions available under Squarespace Extensions

Revoking API Keys:

1. Open Developer Tools
2. Click Developer API Keys
3. Click trash icon next to key
4. Confirm deletion

Troubleshooting Tips:

• Verify correct API key type
• Confirm key matches intended site
• For form issues, try removing and adding new forms
• Check developer documentation for detailed guidance

For technical support and documentation, visit the Squarespace developer site.

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