Partner profile
Sinch
Pioneer the Way the World Communicates
Founded 2008 · Stockholm, Sweden · 1,001-5,000 employees · Public, listed
Partnership Overview
Who Sinch is built for
Product/developer teams needing API-first messaging (A2P SMS, RCS, WhatsApp, email); UCaaS and CCaaS providers needing voice termination at scale; large enterprises with high-volume customer communications.
Sinch (Stockholm: SINCH) is a global communications platform-as-a-service (CPaaS) leader connecting businesses with billions of consumers via SMS, voice, video, email, and conversational messaging APIs. Sinch grew through acquisitions of Wavy, MessageMedia, Inteliquent (US #1 voice carrier), Pathwire, and ACL Mobile, creating one of the largest super-CPaaS providers globally. Their products span A2P messaging, voice termination, RCS, WhatsApp Business API, and email APIs (Mailgun, Mailjet).
- VerifiedAug 5, 2026 · high confidence
- 4solutions across 1 category
- 18 yrsin business, since 2008
- 1,001-5,000employees
Why teams pick Sinch
- World's largest A2P SMS provider by volume (over 700B messages/year)
- Inteliquent acquisition makes Sinch #1 US voice termination carrier
- Mailgun + Mailjet make Sinch a top global email API
- RCS messaging leader (Google partner)
- Chatlayer conversational AI platform
- Network of 600+ direct carrier connections globally
Probably not a fit
We haven't published fit caveats for Sinch yet. Tell us what you run and we'll say whether they fit, or who we'd look at instead.
Get matched insteadRecognition & proof points
Gartner MQ for CPaaS (Leader/Visionary)Analyst recognition · Gartner
IDC MarketScape recognitionAnalyst recognition · IDC
Juniper Research CPaaS leaderAnalyst recognition · Juniper Networks
Notable clients
Vendor-reported- UUber
DDoorDash
SStripe
BBooking.com
major banks, retailers, and SaaS companies globally
Our Solutions
Rubber Duck solutions through Sinch
From first evaluation to day-to-day operations, Rubber Duck Technology helps you get full value from Sinch's Communications & CX solutions. We fit them to the systems you already run, remove overlap, and give you a clear view of how they perform, so your team can move faster with fewer surprises.
Communications & CX
CPaaS / Messaging APIs
Sinch delivers SMS, MMS, RCS, WhatsApp Business, and verification APIs as one of the largest super-CPaaS providers, processing over 700 billion A2P messages per year.
- Largest A2P provider Sinch is the world's largest A2P SMS provider by volume, handling over 700B messages per year.
- RCS leadership As a Google RCS partner, Sinch leads next-generation rich business messaging.
- Global carrier reach A network of 600+ direct carrier connections delivers worldwide messaging reach.
Microsoft Teams
SalesforceSIP Trunking
Sinch provides voice termination through its Inteliquent acquisition, making it the #1 US voice termination carrier with hundreds of direct carrier connections.
- #1 US voice carrier The Inteliquent acquisition makes Sinch the top US voice termination carrier.
- 600+ carrier connections Direct global carrier connections deliver high-quality, scalable voice termination.
Voice AI / Conversational AI
Sinch offers conversational AI through its Chatlayer platform, enabling automated chat and voice experiences across its messaging and voice channels.
- Chatlayer platform The Chatlayer conversational AI platform powers automated bot experiences across channels.
- Omnichannel automation AI bots span SMS, messaging, and voice on Sinch's global CPaaS network.
Anthropic
OpenAIEmail & Collaboration Security
Sinch operates top global email APIs through Mailgun and Mailjet, with verification APIs that help businesses validate and secure customer communications.
- Top global email APIs Mailgun and Mailjet make Sinch a leading provider of transactional and marketing email APIs.
- Verification at scale Verification APIs help businesses authenticate users and protect communication channels.
How Sinch delivers
24/7 global support; SLA-backed enterprise services; named CSMs for top customers. (vendor-reported)
Services in detail
- Implementation & OnboardingDelivered via self-serve developer tooling plus enterprise-direct onboarding teams.
- Customer SuccessDelivered through enterprise account teams under custom contracts.
- 24/7 SupportFully managed, round-the-clock 24/7 support.
- Partner EnablementDelivered through partner programs and platform interoperability across the CPaaS ecosystem.
Automate/AI, built in · AI-Powered Features. Chatlayer conversational AI platform for chatbots and voicebots; AI-powered RCS messaging; integrations with OpenAI/Anthropic LLMs for customer engagement use cases.
Case Studies
What backs it up
Case studies
No published case studies yet.
Ask us and we'll request a reference call with Sinch.
Ask for a referenceDocuments
From Sinch
5 PDFs, collected while we vetted them
- Sinch Choosing a CPaaS Provider Cheat SheetDownload
- Sinch RCS Playbook eBookDownload
- Sinch State of Customer Communications 2025 ReportDownload
- Sinch US SMS Compliance GuideDownload
- Sinch Flows Service DescriptionDownload
Profile compiled by Rubber Duck Technology from primary sources and partner collateral. Vendor-reported figures are labeled as theirs. Spot something wrong? Tell us.
Technology that doesn't sink under pressure
Talk it through before you sign.
Send us what you run today. We'll price Sinch against two alternatives and tell you which one we'd pick, and why.