Twilio SMS does not work in Kuwait

Kuwait mobile network operators (MNOs) have strict rules. You must use pre-registered SenderID. Traffic must be bought from local service provider/reseller.
SMS messages from International companies like: twilio, bulksms, infobip, clickatell, and many others, does not reach Kuwait and gets filtered or blocked.
It is best to work with local SMS provider/reseller from Kuwait like kwtSMS to guarantee delivery. kwtSMS also has global coverage.

See detailed comparision between Twilio with kwtSMS

People also ask:

+ Do you have contracts/monthly sending limits?

+ What are the requirements for SenderID registration?

+ How to manage Zain Kuwait mobile number in Blacklist/DND?

+ How do I change my Private SenderID?

+ How do I recharge or add credits to my account?