Send SMS, voice, and WhatsApp messages across Africa
An enterprise messaging platform for African businesses to send bulk SMS, OTP & 2FA, voice, email, WhatsApp, and number lookup via a single API.
Hellio Product Overview
Is Hellio Right for You?
Liners prepares and updates these highlights as product information changes. Editorial standardsBest For
- Ghanaian businesses
- Bulk SMS senders
What It Does Well
- Bulk SMS sending
- OTP and 2FA
Things to Check
- WhatsApp approval process
- Delivery reports detail
About Hellio

Hellio is an enterprise messaging platform for African businesses that need bulk and transactional communications across SMS, voice, email, WhatsApp, and number lookup.
Key capabilities include:
- Bulk and transactional SMS built for high volume delivery, with smart routing and reported 98%+ delivery across 800+ direct carriers
- OTP and 2FA delivery over SMS, voice, WhatsApp, or email, designed for sub-second verification flows (for example, login and payment approvals)
- Voice messaging using text-to-speech and audio calls for alerts, verification, and notifications
- Transactional email for messages such as receipts, welcome emails, and login alerts
- Number Lookup (HLR lookup) to validate numbers, check network and portability, and detect inactive lines before sending
- Developer tools including a REST API with JSON requests/responses, secure webhooks for delivery receipts, scoped API keys, official SDKs (Node.js, Python, PHP), and API reference documentation
- Self-serve web console to register, fund a wallet, import contacts (CSV/Excel), choose sender IDs, and send or schedule campaigns
Available on Web and via API.
It primarily serves B2B teams such as fintechs, banks, telecoms, e-commerce, logistics, healthcare, and government agencies, plus resellers using its white-label program to launch branded messaging services.
It is notable in Ghana and broader African markets for its focus on mission-critical messaging, published reliability targets such as a 99.9% uptime SLA, and region-relevant tooling including wallet funding and Ghana-focused bulk SMS resources, plus a public status page at status.helliomessaging.com.
Hellio Facts
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Frequently Asked Questions About Hellio
Hellio is an enterprise messaging platform for sending SMS, OTP and 2FA, voice, email, WhatsApp, and number lookup through a single API. It works through a web console and developer tools such as a REST API, SDKs, and webhooks.
Hellio uses pay-as-you-go pricing, with wallet-based funding. A free trial or free sign-up flow is mentioned, but a full public price list is not provided here.
Hellio focuses heavily on Ghana and serves businesses across Africa. It also says it has coverage across 120+ countries through direct carrier and network connections.
You can sign up through Hellio's website and start a free trial or create an account there. After that, you fund a wallet and begin sending messages from the web console or API.
Hellio is best suited for African businesses and B2B teams that need bulk or transactional messaging, such as banks, fintechs, telecoms, e-commerce, logistics, healthcare, and government. It also serves resellers through a white-label program.
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