What should I submit?
Provide the country, SMS type, content sample, authorized test numbers, and expected daily volume.
SMS route testing
OTP SMS testing
Test verification messages for registration, login, identity checks, and important confirmations. Submit one to five authorized test numbers and a realistic content sample before discussing route options and pricing.
Testing focus
Validate the signals that matter
Actual receipt on authorized devices
Use small authorized tests to compare actual receipt, timing, and message feedback.
DLR and delivery report feedback
Use small authorized tests to compare actual receipt, timing, and message feedback.
Latency by route and time
Use small authorized tests to compare actual receipt, timing, and message feedback.
Content completeness and filtering
Use small authorized tests to compare actual receipt, timing, and message feedback.
Countries
Explore testing by country
FAQ
OTP SMS testing FAQ
Does DLR confirm receipt?
No. DLR should be considered with actual receipt and latency feedback.
Is pricing fixed?
Pricing is discussed from country, content, volume, and current route conditions.
Next step
Confirm route performance with authorized test numbers before discussing current pricing.
Share the target country, a message sample and 1-5 authorized numbers. Srling will assess actual receipt, DLR, latency and content handling through a manual test flow.