About DoneOTP
DoneOTP is an OTP-as-a-Service platform by Qoolize. We help product teams verify phone numbers globally — without building telecom infrastructure.
Our mission
Make phone verification as simple as calling an API.
Developer-first
Two REST endpoints, a drop-in widget, and clear docs. Ship OTP verification in an afternoon — not a quarter.
Global by default
190+ countries, 600+ operators, and dedicated transactional routes with under 3 second average delivery.
Transparent pricing
No platform fee. Pay only for successful verifications — failed sends are refunded automatically.
Team
Built by engineers and operators who have scaled SMS at global volume.
Product & Engineering
Building the OTP API, widget, and global delivery infrastructure.
Carrier Relations
Direct routes across 600+ mobile operators in 190+ countries.
Customer Success
Onboarding, integration support, and volume pricing for enterprise teams.