SMS Bomber — Test SMS Delivery in Seconds
Fire test messages through live SMS gateways to verify delivery rates on numbers you own or are authorized to test.
SMS Service Tester
Pick a gateway region, enter the target number and start your delivery test.
Testing completed
All test messages were dispatched. Check the handset delivery report.
Testing guidelines
This tool is for legitimate SMS gateway testing and debugging only. You must own the target number or have explicit consent from its owner, and you must comply with your local telecommunications laws.
Protect your number
Add a number to the blocklist and this tool will refuse to test it.
Why test your SMS gateway?
Delivery rates vary by carrier, region and time of day. Verify before you deploy.
Real delivery checks
Send live test messages through production gateways and confirm they actually arrive on the handset.
Responsible by design
Built-in 30-message cap, consent requirement and a self-serve blocklist keep testing legitimate.
SMS + call gateways
Regions with voice support can run call tests too — compare SMS and voice OTP delivery side by side.
Testing best practices
Professional guidelines for responsible SMS testing.
Recommended
- Always get explicit consent before testing a number you don't own.
- Prefer your own devices or dedicated test numbers where possible.
- Use slow speed for carrier-sensitive routes; fast for load checks.
- Document your test runs for compliance and debugging.
Never do this
- Never use this tool for harassment, spam or pranks.
- Never test strangers' numbers without their permission.
- Never ignore local telecom and privacy regulations.
- Never exceed what you need — small samples are usually enough.
Frequently asked questions
Everything you need to know before running a test.
Is the SMS bomber free?
Yes. You can run up to 30 test messages per run, completely free and without creating an account. Just pick a gateway region, enter the number and start.
Which numbers can I test?
Only numbers you own or have explicit permission to test. Numbers on our protection blocklist are automatically refused, and abuse may lead to access restrictions.
What is the difference between SMS and call testing?
SMS testing dispatches text messages through SMS gateways, while call testing places automated voice calls. Call testing is only enabled for regions where the gateway supports it — otherwise the option is disabled automatically.
How do the speed settings work?
Slow sends one request every 4 seconds, medium every 2 seconds and fast every 1 second. Use slow for sensitive carrier routes and fast when you want a quick load sample.
How do I block my number?
Enter your number in the "Protect your number" box above and submit. It is added to the blocklist and this tool will refuse any future test against it.
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