Request Body

Parameters

Name	Type	Required	Sample Value	Description
to	String	Yes	13233933379	11-digit valid US number.
from	String	Yes	1234567890	Assigned 10-digit DLC number or 6-digit Short code.
sandboxMode	Boolean	No	true	Use true for sandbox mode. Default: false.
body	String	Yes	SMS text	Maximum 600 characters (plain English), 300 characters (Unicode).
sendAt	DateTime	No	2024-11-01 11:00:00	UTC timezone format YYYY-MM-DD HH:mm:ss. Default: Current datetime.
uid	String	No	abc-123	Unique ID for tracking (up to 40 characters).
programId	Integer	Yes	12345	6-digit program ID for reporting and billing.
checkOptOut	Boolean	No	true or false	Default: true. If false, bypass opt-out check (long codes excluded).

Refer to the Examples for sample requests.