How can I identify scheduled emails from Gmail UI when using the Nylas API?

Answer:

When working with Gmail accounts through the Nylas API, scheduled emails can be identified using specific search parameters and understanding how Google treats these messages.

Identifying Scheduled Messages

To find scheduled messages in a Gmail account, use the search_query_native parameter with the in:scheduled operator:

GET /v3/grants/{grant_id}/messages?search_query_native=in:scheduled

This queries Gmail's native search functionality to return only messages that are currently scheduled for future delivery.

Important Behavior Notes

Webhook Limitations: Nylas webhooks do not indicate whether a message is scheduled. When Gmail creates a scheduled message, Google treats it like any other non-draft message from an API perspective, so webhook notifications will not distinguish between sent and scheduled messages.

Message Status: Messages that appear in the regular inbox or sent folder through the Nylas API may actually be scheduled in Gmail's interface. The scheduling status is only apparent when specifically querying the scheduled folder using the native search parameter.

Recommended Implementation

For applications that need to distinguish between sent and scheduled emails:

1. Use the in:scheduled search parameter to identify scheduled messages
2. Cross-reference message IDs between regular message queries and scheduled message queries
3. Implement application-level logic to handle the display and status of these messages appropriately

This approach ensures your application can accurately reflect the true status of messages as they exist in the user's Gmail account.

Updated February 02, 2026 19:00