Developer-First Communication APIs.
If you're building a software product, you don't want another dashboard. You want a clean REST API for your language, and documentation that respects your time. Fortis is built for developers first.
Bolted-On Communication Is Fragile, Expensive, and Someone Else's Dashboard.
Most SaaS products that need messaging, voice, or OTP end up stitching together three vendors: one for SMS, one for voice, one for verification. Each has a different API style, a different billing model, and a different dashboard. When something breaks in production at 2am, you're debugging across three vendor support tickets.
Five places revenue leaks every day —
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Multiple messaging vendors, each with different API conventions
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No unified for all communication needs
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No way to test before going live without burning real credits
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Inconsistent webhook formats across channels
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Billing surprises from hidden per-feature charges
Unified API for Everything
One authentication. One. One webhook format. Send SMS, make voice calls, deliver OTPs, verify numbers — all via the same REST API. One vendor. One invoice. One support contact.
That Work
Official for Node.js, Python, PHP, Ruby, and Go. All open-source on GitHub. All maintained by the Fortis engineering team. No wrapper libraries from random contributors.
€5 Free Test Credit
Every new account gets €5 on signup to test SMS and WhatsApp messaging on real devices — enough to validate your integration end-to-end before you commit. No mocked environment that drifts from production: you're calling the same API and hitting the same delivery network — we just cover the first messages.
Transparent Pricing
Usage-based billing per message, per call, per lookup. Published rate card on the pricing page. In-app rate preview before every campaign launch. No setup fees, no monthly minimums, no surprise charges.
User registration OTP
- VeloConnect (OTP API)
In-app notifications
- VeloConnect (SMS, WhatsApp)
Voice call features
- VeloConnect (Voice API)
Phone number validation on signup
- VeloVerify (HLR)
Transactional notifications
- VeloConnect (SMS API)
Link tracking in messages
- Link Shortener API
Webhooks for delivery status
- VeloConnect (webhook API)
Start Building in Under 10 Minutes.
Create a free account. Grab your API key. Send your first message. No sales call required, no demo booking, no waiting for an account manager.