Partner Ecosystem
Sinch
Part of the Rubber Duck Technology partner ecosystem — vetted for capability, accountability, and fit before they ever meet a client.
About the partner
About Sinch
Pioneer the Way the World Communicates
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).
Why teams choose 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
Capabilities we have validated
- 700B+ A2P messages/year
- 600+ direct carrier connections globally
- #1 US voice termination carrier (Inteliquent)
- RCS messaging leader
- Mailgun + Mailjet email APIs
- Chatlayer AI bot platform
Recognition & proof points
- Gartner MQ for CPaaS (Leader/Visionary)
- IDC MarketScape recognition
- Juniper Research CPaaS leader
AI in the offering
Chatlayer conversational AI platform for chatbots and voicebots; AI-powered RCS messaging; integrations with OpenAI/Anthropic LLMs for customer engagement use cases.
Profile maintained by Rubber Duck Technology research from primary sources and partner collateral · Last verified Aug 5, 2026 · High confidence · Verified multi-source.
Capabilities
Solutions Delivered by Sinch
The outcomes this partner is equipped to deliver — drawn from our vetting record, not their marketing deck.
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.
Integrates with Microsoft TeamsSalesforce
communications_cx
SIP 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.
communications_cx
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.
Integrates with AnthropicOpenAI
communications_cx
Email & 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.
Delivery
How We Deliver
Engagement & delivery models we have validated with this partner — where the slide deck ends and the actual work begins.
communications_cx
Implementation & Onboarding
Sinch supports both self-serve developers and enterprise customers in implementing its messaging, voice, and email APIs.
Delivery: Delivered via self-serve developer tooling plus enterprise-direct onboarding teams.
Developer-first APIs — Self-serve and enterprise paths let teams integrate CPaaS APIs at their own pace.
Breadth of channels — Onboarding spans SMS, RCS, voice, email, and WhatsApp under one provider.
communications_cx
Customer Success
Sinch supports enterprise accounts with custom contracts and ongoing success management across its global communications platform.
Delivery: Delivered through enterprise account teams under custom contracts.
Enterprise scale — Success teams support some of the highest-volume messaging programs in the world.
Consolidated provider — A super-CPaaS portfolio lets customers consolidate messaging, voice, and email vendors.
communications_cx
24/7 Support
Sinch provides 24/7 support across its global messaging, voice, and email APIs.
Delivery: Fully managed, round-the-clock 24/7 support.
Always-on operations — 24/7 support keeps high-volume communications running continuously.
Global infrastructure — 600+ carrier connections are backed by around-the-clock support.
communications_cx
Partner Enablement
Sinch enables partners and platform integrators across major CCaaS platforms, Microsoft Teams, Salesforce, and Twilio interoperability.
Delivery: Delivered through partner programs and platform interoperability across the CPaaS ecosystem.
Broad interoperability — Integrations with Teams, Salesforce, and major CCaaS platforms ease partner adoption.
Acquisition-built breadth — Acquisitions of Inteliquent, Pathwire, and others give partners a one-stop CPaaS.
Integrates with Microsoft TeamsSalesforce
Proof
Results with this partner
Documented outcomes from real engagements — not testimonial vibes.
Case studies featuring this partner are being prepared. See all client results →
Resources
Documents & collateral
Datasheets, spec sheets, case studies and pricing references collected while vetting Sinch — 5 documents.
Is Sinch the right partner for you?
We'll give you the straight answer — including who to compare them against.