Request OTP
POST to /otp/send with phone number. Get unique OTP ID.
Enterprise one-time passwords for authentication. Sub-200ms delivery, 99.99% uptime, global carrier coverage, and fraud prevention built-in. Scale from 1 OTP to 1 million per day.
Enter the code sent to your phone
OTPs are short-lived codes that verify a user's identity without storing passwords. Every OTP is unique, expires in minutes, and can't be reused — making them your strongest defense against phishing, credential stuffing, and account takeovers.
Cubicles OTP delivers them in 200ms globally, manages expiry automatically, logs every attempt for audit trails, and integrates with your auth stack in 5 minutes.
Direct carrier binds across 200+ countries. Your OTP arrives before the user blinks.
Rate limiting, velocity checks, and IP reputation scanning. Stops brute-force attacks instantly.
REST, webhooks, and SDKs for every language. Zero dependencies, zero complexity.
Six capabilities, one API, zero compromises on authentication integrity.
Direct carrier routing with fallback logic. If SMS fails, auto-retry on backup routes. Guaranteed delivery or we credit your account.
Rate limits, geo-velocity checks, botnet IP blocking, and unusual device flagging. Real-time threat detection.
Choose carriers by cost, success rate, or latency. Route to best-performing carriers in real time.
SOC 2, HIPAA, GDPR, ISO 27001. Audit logs for every OTP sent, received, and verified.
OTP length, expiry time, character set, message template — everything configurable per request or globally.
Delivery rates, verify success, fraud blocked, cost per OTP. Built-in dashboard + API access.
Enterprise-grade security by default. Every OTP is unique, single-use, and expires automatically.
No reuse, no replay, no phishing. Every code is unique and expires in minutes.
Faster than the user can open their messages. Verification in under a second.
SOC 2, HIPAA, GDPR. Enterprise security. Audit logs for every OTP.
From 1 OTP to 1M per day. Same speed, same security, same cost structure.
From banking to healthcare, e-commerce to government — OTP is the standard for proof of identity.
Login, fund transfers, payment approval.
Account verification, checkout security.
Patient portal access, prescription auth.
Sim swap prevention, account access.
Aadhaar KYC, document access, benefits.
Employee onboarding, app verification.
REST API, SDKs for Node/Python/Go/Java, webhooks for async operations. No complexity.
POST to /otp/send with phone number. Get unique OTP ID.
SMS delivered in 180ms. User enters on your form.
POST to /otp/verify with code. Get success/failure.
User authenticated. Log event for audit trail.
Know exactly what's happening with your authentication flow. Dashboards + APIs.
Success, failure, bounce rates per carrier. Optimize routing in real time.
How many OTPs are correctly verified. Identify user friction points.
Attack patterns, blocked attempts, velocity violations. Automated alerts.
Cost per OTP by carrier, region, time. Identify savings opportunities.
Faster than any competitor. Direct carrier binds mean your OTP arrives before the user closes the message.
SOC 2, ISO 27001, HIPAA, GDPR. Every OTP logged, every action audited. Zero shortcuts.
Pay per OTP. No seats, no setup fees, no hidden surcharges. Volume discounts at scale.
200+ countries. Direct binds with carriers. Fallback routes ensure delivery anywhere.
REST, webhooks, SDKs. Sandbox mode. API docs that don't suck. 24-hour support.
Delivery dashboards. Fraud alerts. Cost analytics. Know exactly what's happening.
Get free credits for 1 million OTPs. No card required. Deploy in minutes.
Our team replies within an hour. Or check our docs — they're actually good.