API FOR MMS MESSAGING

Bring conversations to life with an API for MMS

Send engaging messages that go beyond plain text. With Sinch’s API for MMS, you can easily share images, videos, audio, and long-form messages.

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world.

Why send MMS via API

Turn simple texts into rich customer experiences 

Sinch MMS API helps you move past basic SMS by delivering multimedia content like images, video, audio, and long text securely and reliably. Businesses using a programmable MMS API see higher click rates, more opt-ins, and stronger loyalty. 

Higher engagement

Rich media messages can get up to 15% higher engagement and are 43% more effective than plain text messages. 

More conversions 

Visual and audio content can lift click-through rates by up to 15% and boost campaign opt-ins by up to 20%. 

Fast integration 

Set up MMS quickly using JSON, MM7, or Conversation API, with built-in transcoding and SMS fallback. 
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MORE ENGAGEMENT

Grab attention with rich, personalized messages

Stand out by combining images, GIFs, audio, video, 
and up to 5,000 characters of text all in one message. MMS consistently outperforms SMS for engagement. 

  • Up to 15% higher engagement than SMS 

  • 43% more successful than plain text messages

  • Branded visuals strengthen recognition and response 

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BOOST SALES & ROI 

Turn engagement into real results 

More engaging messages drive more clicks, opt-ins, and sales. MMS campaigns powered by a programmable MMS API see up to 15% higher click-through rates and up to 20% more opt-ins, boosting brand loyalty and reducing churn. 

  • Visual content lifts conversions 

  • Loyal customers increase lifetime value 

  • Demonstrated ROI for messaging investments 

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EASY, RELIABLE INTEGRATION 

Add rich media messaging without the hassle 

Sinch MMS API integrates with your existing systems using JSON, MM7, or Conversation API. With transcoding, SMS fallback, and 24/7 support, every message gets delivered reliably. 

  • Developer-friendly APIs and fast delivery 

  • Automatic media adaptation for all devices 

  • Direct carrier connections and compliance 

MMS API IN ACTION 

Where MMS API makes a difference 

Retail & E-commerce 

Share rich promotional campaigns with product images, videos, and discount codes to boost customer engagement and conversions. 

Travel & Hospitality

Send multimedia boarding passes, itineraries, and travel alerts to keep travelers informed and organized. 


Banking & Finance 

Deliver fraud alerts with branded visuals, transaction confirmations, and service updates so customers get 
secure and timely financial information. 

Healthcare 

Send appointment reminders, health tips, and visual instructions to improve patient communication and care. 


Events & Entertainment 

Create buzz with invitations, digital tickets, and preview trailers that excite your audience and make access easy. 


Food & Beverage 

Deliver mouthwatering visuals with menu promotions, coupons, and seasonal offers that inspire purchases and repeat visits. 

Real Estate

Showcase listings, virtual tours, and agent contact details to help customers find their next home and connect with realtors. 


Automotive

Promote new models, send service reminders, and deliver dealership promotions to keep customers updated, drive showroom visits, and encourage maintenance appointments. 

Education & EdTech 

Simplify communication with enrollment confirmations, event invites, and course materials for students and educational communities. 


Utilities & Telecom 

Send bill reminders, outage alerts, and upgrade notifications to help customers manage their services and stay informed. 

Fashion & Beauty

Show off new collections, tutorials, and influencer campaigns that will inspire customers and highlight trends and styles. 

Gaming & Apps 

Promote new features, in-game events, and campaigns that encourage active participation and enhance the 
gaming experience. 

MMS API FEATURES 

What you get with MMS API 

Two-Way Messaging 

Have real conversations with customers through rich-media messaging that supports feedback, questions, and interactive engagement. 

Expanded Media & Long-Form Content 

Send images, GIFs, audio, video, PDFs, calendar invites, and vCards—and break free from SMS limits with detailed messages up to 5,000 characters, all in one seamless MMS. 

Intelligent Delivery & SMS Fallback 

Guarantee reliable message delivery with automatic SMS fallback and smart media links when MMS isn’t supported. 

Bulk Campaign Efficiency 

Preload media and use optimized JSON APIs to send large-scale campaigns quickly and easily. 

Developer-Friendly APIs 

Integrate seamlessly with JSON API, MM7, and Conversation API for flexible, scalable omnichannel messaging. 

Global Carrier Reach & Compliance 

Connect directly with carriers in the US, Canada, and Australia with built-in content moderation and managed delivery for reliable, compliant global outreach. 

Frequently asked questions about Sinch MMS API 

A programmable MMS API is a software interface that lets businesses send and receive multimedia messages like images, video, and audio directly to mobile devices via an MMS gateway. 

With rich media messaging, Sinch MMS API helps increase engagement rates by up to 15% with up to 20% more campaign opt-ins than plain text SMS. 

You can send images, GIFs, audio, video, PDFs, calendar events, vCards, and more, automatically optimized for every device. 

Yes. Sinch MMS API is GDPR compliant, MEF Code of Conduct approved, and PCI & ISO27001 certified. 

No. In most cases, existing SMS opt-ins still apply when you transition to MMS messaging. It’s best to consult your legal team for your specific case. 

Sinch MMS API is currently available in the United States, Canada, and Australia only. 

Integration is fast and flexible with JSON API, MM7, or Conversation API.  

Pricing is based on a single per-message rate, with fees varying by sender type. Additional carrier passthrough fees and Free To End User (FTEU) rates may apply based on your contract. 

Talk to an expert about MMS API 

We can help you engage customers with images, videos, and more. Start building richer connections today.