SMS Messaging, Voice, Email, Video & Verification APIs | Sinch

Sinch welcomes MessageMedia customers to Sinch Engage – our messaging platform for SMS, WhatsApp, RCS, and more. Learn more

The communications infrastructure the AI era runs on

Enterprise-grade messaging, voice, and email with delivery, routing, compliance, and fraud prevention built in from day one. A single infrastructure for all - APIs for builders, ready-made applications for teams.

Contact sales
Try for free
Trusted by 200,000+ customers around the world
Image for Marketing campaigns Hover image for Marketing campaigns
Marketing campaigns
Engage customers and increase conversions with messaging and email marketing campaigns.
Image for Notifications and alerts Hover image for Notifications and alerts
Notifications and alerts
Inform customers and improve satisfaction with vital account, service, or event updates.
Image for Identity and security Hover image for Identity and security
Identity and security
Safeguard customer data and increase trust with email, messaging, verification and voice APIs.
Image for Customer care Hover image for Customer care
Customer care
Support customers and increase customer satisfaction with timely pre- and post-sale service on any channel.
Image for Messaging, email, and voice APIs

APIs

Messaging, email, and voice APIs to help developers build better products

Start small or scale globally—our messaging, email, and voice APIs provide the secure, reliable foundation you need to connect with every handset worldwide.

Talk to an expert
View APIs
Image for User-friendly apps

Applications

User-friendly apps to help marketers engage their customers

Send messages, create email campaigns, and build chatbots that improve customer experience and grow your business.

Talk to an expert
View applications
Image for Products to help businesses

Network Connectivity

Products to help businesses connect to global communication networks

Optimize your operations with our comprehensive infrastructure, designed to manage everything from number provisioning to complex routing services.

Talk to an expert
View network solutions
Image for Messaging, email, and voice APIs Image for User-friendly apps Image for Products to help businesses
Image for the Sinch Super Network

Global Communication Platform

The infrastructure 200,000+ businesses and their AI agents trust

Most messaging platforms route through multiple intermediaries. Sinch connects directly with fewer hops, better deliverability, and 99.99% uptime across 60+ countries. One infrastructure for messaging, voice, and email.

Explore our infrastructure
600+
direct operator connects
160M+
active phone numbers
100B+
calls completed yearly
900B+
texts and emails sent yearly

How skincare brand Clarins increased engagement rates by 2.5x with RCS

  • Retail
  • Rich SMS
  • RCS
79%
read rate
3.5x
more redirections than Rich SMS campaigns
Read the customer story
The Secret Behind Clarins' 2.5x Engagement Boost

How Your Voice scales smarter conversations with Sinch’s APIs and infrastructure

“Our applications are running on Sinch’s gateways. Voice traffic, SMS traffic, soon email — they all flow in and out through Sinch.”
  • SMS API
  • Elastic SIP Trunking
  • IVR
Jayson Millson Co-founder and CEO, Your Voice Global Technologies
Read the customer story
How Your Voice powers custom contact center experiences

How EasyPark Group keeps millions of users informed with SMS and RCS

  • Verification APIs
  • SMS API
  • RCS
97%
delivery rate
Millions
of messages delivered
Read the customer story
How EasyPark Group keeps users informed with RCS

How Yandy earns a 20x ROI using SMS

  • SMS API
  • Ecommerce
35%
SMS click-through rate
100K
SMS subscribers in two years
Read the customer story
How this lingerie brand earns 20x ROI from SMS
“By adding SMS, our clients are finding their response rates quicker, payments are being collected faster, and they’re not seeing as many suspended accounts.”
  • Telecommunications
  • SMS
  • Email
Jennifer McLean Vice President of Operations, Ivrnet
Read the customer story
How Ivrnet powers 20M+ critical updates a month with Sinch

SINCH AI

See how Sinch AI powers safer, smarter conversational experiences

From our connectivity layer to our applications, we leverage AI to reduce fraud and help you get more done with less work.
Meet Sinch AI
Image for See how Sinch AI powers safer, smarter conversational experiences

RCS FOR BUSINESS

Enter a world of rich, engaging messaging

Deliver branded, verified messages that feel like an app experience, straight in the user’s SMS inbox.
Meet Sinch RCS
Image for Enter a world of rich, engaging messaging

Learn why we're the trusted CPaaS leader