Using sandbox test requests
Send test emails from your dev or test environment by adding a sandbox flag to the API call.
Sandbox sends are never delivered and don’t fire webhooks — the request and rendered output are just saved to your activity logs so you can review them.
Sandbox sends don’t count toward your plan’s monthly usage limits.
Sandbox API endpoints
Section titled “Sandbox API endpoints”Sandbox API endpoints are available for:
Filtering test activity
Section titled “Filtering test activity”You can filter test activity from your activity page. Test activity covers sandbox API sends and preview messages (test emails sent from the template builder).
