Domestic vs International
Requirements differ by who is sending. Pick the scope that matches your business.
Sender ID registration is required for Vietnam. The current requirements are shown below as provided by the SMSala Sender ID team.
Sender capabilities
Registration requirements
Restrictions
Sending rules
Operator regulations
5 networks carry SMS traffic in Vietnam. MNP is live in most markets — run an HLR lookup before routing.
Additional compliance notes
Country & operator-specific guidance maintained by the Sender ID team.
Requirements
Sender ID, Company name, Company HQ, Website, Type of traffic (Transactional/Promo) Step-by-step OTP delivery process (if your SMS content includes OTP messages) – please provide detailed information to ensure compliance with local operator requirements. Screenshot showing company's information which was registered e-commerce group One-time setup fee for 4 main operators (Vinaphone, Viettel, Mobifone, Vietnamobile): USD 10 per brandname. Monthly maintenance fee: USD 2.5 per brandname per operator/ Total 10USD months.
Required documents
Business Registration License, Business Registration Certificate (?KKD) Domain certification Website screenshot clearly showing the URL and company information. Letter of Authorization (LOA).
Need help registering your Sender ID?
Our compliance specialists assist with registration requirements, document review, operator approvals, and both domestic and international onboarding.

