What is Sinch?
Sinch is a marketing automation tool. Sinch is a cloud communications platform (CPaaS) that provides APIs for SMS, MMS, RCS, voice, video, and email, enabling businesses to embed messaging and calling into their applications. Serving over 190,000 customers including Google, Uber, and PayPal, Sinch operates a proprietary super network that reaches every mobile phone on the planet. Key capabilities: SMS, MMS, and RCS messaging APIs, Voice calling and SIP trunking APIs, WhatsApp Business messaging integration, Email delivery API (transactional and marketing), Phone number verification and 2FA. Buyers most often compare Sinch against Mailjet, Twilio, Plivo.
TL;DR - Sinch
- Cloud communications platform with APIs for SMS, voice, email, and messaging
- Powers 190,000+ customers including Google, Uber, and PayPal
- Pay-as-you-go pricing with global carrier-grade network reach
Pricing: pay_per_use
Best for: Enterprises & pros
3.9/5 across review platforms
Pros & Cons
Pros
- Massive global reach covering virtually every mobile device
- Pay-as-you-go pricing with no minimum commitments
- Comprehensive multi-channel coverage (SMS, voice, email, chat)
- Recognized Gartner Magic Quadrant Leader for CPaaS
- Well-documented APIs with SDKs for major platforms
- Enterprise-grade reliability and uptime SLAs
Cons
- Pricing can be complex across different channels and regions
- Setup requires developer resources for API integration
- Support tiers vary — premium support costs extra
- Console UI can feel dated compared to newer competitors
- Billing granularity makes cost prediction difficult for variable workloads
Ratings Across the Web
3.9(1,276 reviews)
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
SMS, MMS, and RCS messaging APIsVoice calling and SIP trunking APIsWhatsApp Business messaging integrationEmail delivery API (transactional and marketing)Phone number verification and 2FAConversational AI chatbot builderContact center and agent toolsGlobal super network with carrier-grade reliabilityReal-time delivery receipts and analyticsSDKs for iOS, Android, and web applications
Pricing Plans
SMS
- Pay-as-you-go per message
- Rates vary by country and carrier
- Volume discounts available
- Inbound SMS free in most regions
Voice
- Pay-as-you-go per minute
- SIP trunking available
- Number rental fees apply
- Volume pricing on request
RCS
- Rich messaging with branding
- Pay-as-you-go pricing
- Carrier-dependent availability
- Transactional and marketing email
- High deliverability rates
- Dedicated IP options
About Sinch
By Toolradar Team·
Sinch is a cloud communications platform (CPaaS) that provides APIs for SMS, MMS, RCS, voice, video, and email, enabling businesses to embed messaging and calling into their applications. Serving over 190,000 customers including Google, Uber, and PayPal, Sinch operates a proprietary super network that reaches every mobile phone on the planet. The platform supports both developer-facing APIs for custom integrations and marketer-friendly tools for campaigns and customer engagement. Sinch is recognized as a Gartner Magic Quadrant Leader for CPaaS and processes billions of messages annually.
How we evaluate tools →Source: sinch.com
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Sinch FAQ
What communication channels does Sinch support?
Sinch supports SMS, MMS, RCS, WhatsApp, voice calls, video, SIP trunking, and email. All channels are accessible via REST APIs and SDKs for major programming languages.
How does Sinch pricing work?
Sinch uses pay-as-you-go pricing for most services. SMS rates vary by country and carrier, voice is billed per minute, and email per message sent. Volume discounts are available for high-traffic accounts.
Is Sinch suitable for startups?
Yes, the pay-as-you-go model means startups only pay for what they use with no minimums. Free tier credits are available to get started, and scaling up requires no contract changes.
How does Sinch compare to Twilio?
Both are CPaaS leaders, but Sinch often offers lower per-message rates and has a stronger presence in Europe. Twilio has a larger developer ecosystem and more extensive documentation. Both serve enterprise-scale workloads.
Does Sinch provide phone number verification?
Yes, Sinch offers verification APIs supporting SMS OTP, flash calls, data verification, and phone number validation for identity confirmation and two-factor authentication.
Source: sinch.com