# Schedule a message

> Send later with send_at, in the recipient’s time zone or yours.

Source: https://helpdox.fekbd.com/docs/relay-api/messages/schedule-a-message/

Send later with `send_at`, in the recipient’s time zone or yours. Here is exactly what to do.

## Steps

1. 1Set send_atPass an ISO 8601 time, for example `2026-11-02T09:00:00-06:00`.
2. 2Respect quiet hoursAdd `quiet_hours: true` to hold messages between 9 p.m. and 8 a.m. local time.
3. 3Cancel if needed`DELETE /v3/messages/{id}` works until the send time.

Tip

Scheduled messages can be up to 30 days ahead.

## Still stuck?

Include the request ID from the `Relay-Request-Id` response header — it lets us find your call in seconds.