Endpoint
POST /user/sms
Request
integer
required
ID of your phone number to send from. The number must be SMS-capable.
string
required
Recipient phone number in international format (e.g.,
+1234567890).string
required
SMS message content. Maximum 300 characters.
Response
string
Confirmation message.
object
SMS record details.
Example
201 Success
400 Not SMS-capable
400 Insufficient balance
Long messages are split into multiple segments, each billed separately. Keep messages under 160 characters to stay within a single segment.