Fueling the next generation of African businesses.
Power your critical communications with 99.9% uptime, direct carrier connections across 120+ countries, and lightning-fast delivery at 5,000+ messages per second.
Trusted by 5,000+ enterprises worldwide to deliver mission-critical messages.
12,480 delivered
98.7% success
OTP 481920
delivered in 0.4s
5,000 msg/s
throughput
Powering industries across Africa
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Uptime SLA
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Direct carriers
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Delivery rate
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Countries
Infrastructure
Built for mission-critical scale
Engineered for reliability, speed, and effortless growth.
Reliability
99.9% Uptime SLA
Redundant infrastructure and direct carrier partnerships across 240+ networks.
99.9%
Elastic scale
Auto-scaling
Absorb spikes from thousands to millions of messages, with no configuration.
Speed
Lightning-fast delivery
5,000+ messages per second with sub-second latency and smart routing.
5,000 msg/s
sub-second latency
Channels
One platform, every channel
Reach customers wherever they are, over a single integration.
Instant verification
OTP & 2FA
Sub-second one-time passwords over SMS, voice, WhatsApp or email.
Explore OTP & 2FAOTP Verification
Sent to +233 24 •• •• 567
Business messaging
Templates, OTP and session messages over the WhatsApp Business API, with a sandbox to test before you go live.
Explore WhatsAppWelcome to Hellio
Your account is ready 🎉
Receipt #4821
Thanks for your payment
New login alert
A device just signed in
Validate & cleanse
Number Lookup
Detect network and portability, scrub inactive numbers before you send.
Explore Number LookupHLR lookup
+233 24 123 4567
Developers
Seamless API integration
Go live in minutes with a clean REST API, official SDKs, and real-time webhooks. Send your first message with a single call. No heavy setup, no surprises.
- Predictable REST API with JSON requests & responses
- Official SDKs for Node.js, Python, PHP and more
- Real-time delivery receipts over secure webhooks
- 99.9% uptime, authenticated with scoped API keys
curl -X POST https://api.helliomessaging.com/v1/sms/send \ -H "Authorization: Bearer $HELLIO_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "sender": "Hellio", "recipients": ["+233241234567"], "message": "Your code is 481920" }'
const res = await fetch("https://api.helliomessaging.com/v1/sms/send", { method: "POST", headers: { "Authorization": `Bearer ${process.env.HELLIO_API_KEY}`, "Content-Type": "application/json", }, body: JSON.stringify({ sender: "Hellio", recipients: ["+233241234567"], message: "Your code is 481920", }), });
import os, requests requests.post( "https://api.helliomessaging.com/v1/sms/send", headers={"Authorization": f"Bearer {os.environ['HELLIO_API_KEY']}"}, json={ "sender": "Hellio", "recipients": ["+233241234567"], "message": "Your code is 481920", }, )
Get started in minutes
Three simple steps to start
Register
Fill in the required details and create your account. It takes less than 2 minutes.
Fund your wallet
Top up your account and import your contacts by typing them or uploading a CSV/Excel file.
Send your messages
Craft your message, choose your sender ID, and blast across the network at lightning speed.
Why choose Hellio
Why you should choose Hellio
We're fast & reliable
We understand the essence of speed and deliverability, which is why we've invested in state-of-the-art infrastructure that scales to our clients' needs.
We're global
Hellio is connected to major telcos through strong partnerships worldwide, ready to serve clients from all walks of life.
Affordable & trusted
We've come this far because of the trust our customers place in us. Without them, there would be no Hellio.
Loved by teams across Africa
Check what our clients say about us.
“I was thrilled to discover this is a proudly African company that's truly mastering their craft. Their customer service is outstanding, and I'm genuinely impressed!”
“Professional and top-notch service from Hellio. The sales & support team are efficient, dedicated and always available. Will highly recommend Hellio!”
“One of the best bulk messaging platforms so far. Wish I had seen this earlier. Kudos to the team for such a wonderful platform. Very impressive!”
“Exceptional customer support, adaptable payment options, and top-notch service with reliable delivery every time.”
“Hands down the top choice for SMS delivery. I'm completely satisfied with their performance. Keep up the fantastic work!”
“I have tried so many SMS gateways, but Hellio is totally different. Easy integration into your application and the best customer support.”
Launch your own messaging brand
Resell SMS, OTP, voice and WhatsApp under your own name, domain and prices. We run the infrastructure; you own the customers and keep the margin.
Your brand
Logo, colours, domain
Your clients
Manage & bill them
Your margin
Markup every message
Branded invoices
Taxed, in your name
Ready to deliver at scale?
Create an account in minutes, or talk to our team about enterprise volumes.