Sender IDs
Brand every message with an alphanumeric Sender ID so recipients see your name instead of a number. Registered and route-optimized for supported countries.
- 11
- max characters
- 190+
- countries
- 99.99%
- uptime SLA
curl -X POST https://api.conversa.in/v1/sms/messages \
-H "Authorization: Bearer $API_KEY" \
-d from="CONVRSA" \
-d to="+919000000000" \
-d text="Your OTP is 482913. Valid for 5 minutes."Everything you need to ship Sender IDs
Branded sender
Display up to 11 characters of your brand name in place of a number.
Managed registration
We handle Sender ID pre-registration where operators require it.
Route optimization
Messages route over paths that preserve your Sender ID end to end.
Higher trust
Recognizable sender names lift open rates and reduce spam flagging.
Built for how you use Sender IDs
- Branded OTP
- Transactional alerts
- Brand notifications
- Promotional messaging
SLA
99.99%
uptime SLA
Enterprise-grade reliability with 24/7 support, dedicated routing, and transparent status reporting.
Common questions
Does every country support Sender IDs?
Support varies by operator; where unsupported we fall back to a numeric sender automatically.
Is registration required?
Some countries mandate pre-registration — we manage the process for you before you send.
More SMS products
Every Conversa product shares the same API, dashboard, and billing.
Ready to launch Sender IDs?
Get API keys in minutes. Pay only for what you use.