Business SMS (corporate messaging) lets a company send text messages in bulk to customers or staff. The most common uses are one-time passwords (OTPs, the verification codes for logins), appointment or delivery reminders, and broadcasting a promotion to many people at once. You can type and send from a web portal, or connect it to your own system via an API so messages go out automatically.
Any business that verifies identities or notifies customers: e-commerce, finance, clinics, logistics, retail chains and membership businesses. Especially those needing reliable OTP and urgent-alert delivery.
Same product, different names.
Each carrier brands this differently — here’s how to recognise it when you compare quotes.
The honest pros and cons.
Benefits
- High deliverability and speed; OTPs and urgent alerts usually reach phones within seconds.
- Send thousands or tens of thousands at once to reach all staff or your whole member list.
- Supports Traditional Chinese (Unicode), so Hong Kong customers read it cleanly with no garbled text.
- An API can plug into your system to auto-send, e.g. an instant order confirmation or appointment reminder.
- SMS needs no app or data on the customer’s side and even reaches old phones, giving the widest reach.
Watch-outs
- Billed per message, so big broadcasts add up; budget before any large campaign.
- Promotional SMS must follow Hong Kong’s anti-spam (UEMO) and privacy rules; careless blasts can breach the law or draw complaints.
- Each SMS has a character limit (about 70 for Chinese); longer texts split into multiple parts and cost more.
- Using the API for automation usually needs some technical work to connect it to your system.
Indicative: priced per message, typically about $0.2–$0.6 per local SMS with volume discounts; OTP and promotional rates may differ. Most plans have little or no monthly fee. Final pricing is quote-based.
Common questions
Q01Can messages show my company name as the sender?
Q02Are there legal rules for sending promotional SMS?
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