CelerCloud is the global SMS platform that helps businesses deliver verification codes, marketing messages, and notifications with 99.9%+ delivery rates — powered by a simple API you can integrate in minutes.
API Request
Response
Products
From verification codes to rich media messages — one platform, unlimited possibilities.
Send transactional and marketing SMS to 200+ countries with direct carrier connections.
Real-time analytics, delivery tracking, and cost monitoring in one intuitive dashboard.
RCS rich media messages with images, video, and interactive cards for higher engagement.
OTP voice calls, notification calls, and AI-powered outbound calling capabilities.
Why CelerCloud
Everything you need to send and receive messages worldwide — in one platform.
Direct operator connections in 200+ countries. Smart routing ensures optimal delivery rates and lowest latency.
Average delivery under 10 seconds. Our infrastructure handles millions of messages per day without breaking a sweat.
TLS 1.3 encryption, GDPR-ready data protection, RBAC access control, and full audit logs for peace of mind.
Live delivery status, failure analysis, cost breakdowns — all updated in real time with detailed reporting.
Receive customer replies via webhooks. Set up auto-replies, keyword triggers, and conversation flows.
Clean RESTful API with SDKs for Python, Node.js, PHP, Java, Go, and Ruby. 5-minute integration guaranteed.
Get Started
Sign up for free and get instant API keys. No credit card, no waiting.
Use our SDK or REST API. Copy-paste examples in every major language.
Start sending messages and track delivery in real time via dashboard.
Global Network
Connected to leading mobile operators across 6 continents.
US, Canada, Mexico
UK, Germany, France, Spain, Italy, Nordics
China, Japan, Korea, India, SEA
UAE, Saudi Arabia, Qatar, Turkey
Brazil, Mexico, Argentina, Colombia
South Africa, Nigeria, Kenya, Egypt
Testimonials
"CelerCloud's API is the cleanest SMS integration we've ever used. We were up and running in under an hour, and their delivery rates across Southeast Asia are unmatched."
"Switched from our previous provider and OTP delivery rate jumped from 87% to 99.2%. Checkout completion is up 12%. The ROI was immediate."
"The real-time dashboard and webhook system made our monitoring effortless. Support team responds within minutes — best in the business."
FAQ
Sign up for a free account at celercloud.net. You'll receive API keys instantly and can start sending test messages from our sandbox — no credit card required.
We support SMS delivery to 200+ countries and territories worldwide, covering all major markets in North America, Europe, Asia Pacific, Middle East, Latin America, and Africa.
Most messages are delivered within 10 seconds. Our smart routing engine always selects the fastest available carrier path for each destination.
Start sending SMS to 200+ countries today. Free tier available — no credit card required.