Sinch

Name: Sinch
Brand: Sinch
Rating: 3.9 (1276 reviews)

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Embed messaging and calling into any app

API Tools Communication Developer Tools Email

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3.9(1,276 across the web)

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Reviews onG2SourceForge

1276 reviews tracked

The Bottom Line

Entry price

Paid plans only

Biggest pro

Massive global reach covering virtually every mobile device

Biggest con

Pricing can be complex across different channels and regions

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

What is Sinch?

Editorial review

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.

Available on: Web

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourcesinch.com ↗

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

Pricing checked Jun 18, 2026

SMS

null

Pay-as-you-go per message
Rates vary by country and carrier
Volume discounts available
Inbound SMS free in most regions

Voice

null

Pay-as-you-go per minute
SIP trunking available
Number rental fees apply
Volume pricing on request

RCS

null

Rich messaging with branding
Pay-as-you-go pricing
Carrier-dependent availability

Email

null

Transactional and marketing email
High deliverability rates
Dedicated IP options

Calculate your cost View full pricing

Reviews

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3.9/5

Across 1,276 verified user reviews on G2, SourceForge

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Best Sinch Alternatives

Top alternatives based on features, pricing, and user needs.

View full list →

TwilioPaid

Build communication features with programmable APIs for SMS, voice, video, and more

4.3

PlivoPaid

Cloud communications API platform

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BandwidthPaid

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MessageBirdPaid

Omnichannel communication platform

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InfobipFreemium

Engage customers across every channel with a unified, AI-powered communication platform.

4.4

VonagePaid

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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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

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