Sinch
SMS, voice, email and verification APIs
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Sinch provides enterprise-grade SMS, voice, email, video and verification APIs on a single global communications platform.
- for
- Developers and product teams building messaging, voice, email or verification features.
- pricing
- freemium
Key features
- Messaging, Voice & Email APIs — Programmable APIs for SMS, voice calls, email and video with built-in delivery, routing and compliance.
- Ready-made Applications — User-friendly apps for marketers to send messages, run email campaigns and build chatbots.
- Network Connectivity — Direct operator connections, number provisioning and routing services across 190+ countries.
- Global Platform Reliability — 99.99% uptime with fewer hops for higher deliverability.
- Sinch AI Fraud Prevention — AI-driven tools to detect fraud and improve conversational safety.
- RCS Rich Messaging — Branded, verified rich SMS experiences that look like native apps.
Use cases
- Marketing campaigns: send SMS, email or RCS messages to boost conversions.
- Notifications & alerts: deliver account or service updates in real time.
- Identity & security: verify users via SMS, voice or email APIs.
- Customer care: power pre- and post-sale support across channels.
- Voice IVR & call routing: build scalable voice applications.
Sinch vs alternatives
 Sinch |  Vonage |  Twilio |  Plivo |  Telnyx | |
|---|---|---|---|---|---|
| Best for | Unified CPaaS for messaging, voice & email | Comprehensive communications APIs | Broad communications platform | SMS & voice API provider | Private-network communications |
| Pricing | Freemium | Subscription | Subscription | Subscription | Subscription |
| DevHunt upvotes | 0 | 0 | 0 | 0 | 0 |
| Launched | — | — | — | — | — |
- Sinch vs Vonage: Similar CPaaS offering SMS, voice, video and verification APIs.
- Sinch vs Twilio: Twilio provides comparable messaging, voice, email and verification APIs with a large developer ecosystem.
- Sinch vs Plivo: Plivo focuses on SMS, voice and WhatsApp APIs with a pay-as-you-go model.
- Sinch vs Telnyx: Telnyx adds private network IoT capabilities to SMS and voice services.
Sinch FAQ
How is Sinch priced?+
Sinch uses a pay-as-you-go model for SMS, Voice, RCS and Functions, charging based on usage with a free tier for Functions.
What global coverage does Sinch have?+
The platform operates in over 190 countries with direct connections to more than 600 operators.
What uptime does Sinch guarantee?+
Sinch advertises 99.99% uptime for its messaging, voice and email services.
How can I start using Sinch APIs?+
Request API keys via the website, then integrate the APIs using the provided documentation or SDKs.
Does Sinch offer fraud protection?+
Yes, Sinch AI includes tools that reduce fraud and improve the safety of conversational experiences.
Summarized by DevHunt from sinch.com · Nov 15, 2026. Details may change; check the official site.
About this listing
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