Messaging APIs

Get your message across

Send personal, secure messages directly to your customers on their favorite channels, with cloud-based messaging services from Sinch.
Talk to an expert
Try for free
Image for Get your message across
Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world

A solution you and your customers will love

Our conversational messaging guide dives deeper into the above topics and outlines all of our available tools to help increase customer relationships:

Reach customers directly

Send messages straight to your customer’s inbox, letting them engage on their own terms.

Personalize conversations

Create unique and relevant content for each and every individual customer. Meet their needs – and make their day!

Automate engagement

With Sinch, automating messages is easy and cost-effective – giving you more time to focus on other priorities!
Image for Engage with your customers on their terms

Engage with your customers on their terms

SMS

Send and receive messages at scale through a single connection.
Learn more

MMS

Level up your customer experience and set your brand apart with rich, compelling messages!
Learn more

WhatsApp

Create automated chats, build trust, and enrich the customer journey.
Learn more

RCS

Rich media, guided responses, and an app-like experience, all in the users SMS inbox.
Learn more

Facebook Messenger

Connect with 1 billion global users on Facebook Messenger for Business.
Learn more

Instagram

Take user experiences to the next level with real-time conversational commerce on Instagram.
Learn more

Apple Messages for Business

Directly engage your customers on any Apple device.
Learn more

Viber

Connect with key audiences with Viber Business Messaging.
Learn more

Telegram

Use the Telegram API to send messages to users around the world. Add Telegram capabilities for marketing, sales, and customer support.
Learn more

Kakao Talk

Message your customers in South Korea using KakaoTalk – the number one messaging app in the country. Use KakaoTalk to run marketing campaigns, have sales consultations, and provide top customer support.
Learn more

LINE

Chat with customers in Japan, Thailand, and more with LINE.
Learn more

WeChat

Engage, support, and convert customers in China over their favorite app — WeChat!
Learn more
Sinch conversation API image

Conversation API helps you cut through the noise – on any channel

Cut through the noise and engage customers on the world’s most popular messaging channels – SMS, WhatsApp, Facebook Messenger, Viber, and more – with Conversation API. 

Conversation API
Try for free
Illustration of 2 people shaking hands

Why choose Sinch for mobile messaging

Sinch has the largest global tier-1 network with 600+ direct operator connections and an unmatched range of messaging channels, trusted by more than 3,000 enterprise customers worldwide! Reach any mobile phone on the planet – in seconds or less. With Sinch, you get 100% consumer penetration on any mobile channel.
We take security seriously and have sophisticated measures in place to ensure end-to-end security and data protection. We’re GDPR compliant, MEF Code of Conduct approved, and ISO27001 certified.
Our platform is robust, secure, fast, and set to handle vast volumes of traffic. Our deep carrier integrations ensure additional security, superior quality, lowest latency, and access to unique telecommunications data.
Reach any mobile phone on the planet – in seconds or less. With Sinch, you get 100% consumer penetration on any mobile channel.
We don’t just sell you a product, we help you succeed! Our expert team helps you transform customer journeys and enrich your brand experience, whether you need consultant help, product and API training, or end-to-end managed services.
Talk to an expert
Try for free

Get deeper insights into conversational messaging

Image for 5 digital banking trends changing customer communications in 2025
Insights

5 digital banking trends changing customer communications in 2025

Explore
Image for Omnichannel vs. multichannel: What's the difference
Insights, Products

Omnichannel vs. multichannel: What's the difference

Explore
Image for RCS vs. SMS: How are they different?
Insights

RCS vs. SMS: How are they different?

Explore

What are you waiting for?

Start building conversations now!

Sinch makes it easy!

Build meaningful connections with your customers

Try for free