Customer Communications​

Communication APIs

Connect with customers wherever they are and scale your messaging as you grow

GMS Communication APIs
USE CASES

Single integration for any system or application

Say goodbye to complex integrations and hello to streamlined messaging. Engage in communication through SMS, WhatsApp, Viber, and more - all through one secure, reliable connection designed for simplicity and scale.

Focus on building meaningful relationships, not managing multiple systems.

GMS Communication APIs
  •  
  • Order and delivery updates

  • Bookings and reminders

  • Alerts and notifications

  • Time critical reminders

 

GMS Communication APIs
  •  
  • Secure onboarding

  • Account verification

  • Transactions authentication

  • Password recovery verification

 

GMS Communication APIs
  •  
  • Customer support

  • Surveys and polls

  • Confirmations and rescheduling

  • Feedback loops
GMS Communication APIs
  •  
  • Promotional updates

  • Abandoned cart reminders

  • Product notifications

  • Customer re-engagement

 

SUCCESS STORY

30% increase in operational efficiency for Swiss healthcare clinic

SMS Appointment reminders by GMS
A private chain of ambulatory clinics in Switzerland uses Communication APIs to send appointment reminders via SMS. Learn how it helped them reduce customer no-shows by 30% and increase overall satisfaction.
Opthalvision success story
Start with one or more

Reach customers on most popular communication channels

GMS supported channels
INTEGRATE MESSAGING INTO YOUR SYSTEM

Simplify how you connect with your customers!

Unify all your messaging channels with Communication APIs. Explore the code, get access and start interacting with customers.

Communication APIs features

Connect with ease and efficiency

From flexible integration options to robust analytics and expert support, Communication APIs are built to fit your unique requirements and deliver exceptional results.

Customizable hosting options

Customizable hosting options

Choose between on-premise and cloud deployment to match your infrastructure and compliance needs.

Seamless orchestration

Seamless orchestration

Highest message deliverability with dynamic orchestration and smart fallback between channels.

Flexible integrations

Flexible integrations

Effortlessly connect our messaging API with your existing CRM, ERP, or other business systems.

Expert support

Expert support

Our experienced technical team is here to assist you 24/7, ensuring smooth operations and quick resolutions.

Robust analytics

Robust analytics

Gain complete visibility into your messaging performance with detailed analytics for every message you send.

Unbeaten reliability

Unbeaten reliability

With direct worldwide connections, geo-redundancy, and 99.99% uptime, we ensure your messages always get through.

Ophtalvision quote

Flexible API allows sending of messages directly from the  Ophtalvision booking system and portal.

GMS support in whatever way required to ensure a smooth integration and service. A great team, warm, available and flexible. Attentive to requests, they work quickly, very well and are very accommodating. It’s a pleasure to work with them!

Laura Merz
Marketing & Communications lead, Ophtalvision
PROVEN EXCELLENCE

Your strategic partner

Backed by direct connections to 275+ mobile network operators, strategic partnerships, and 20 years of telecom expertise, we help businesses engage customers, strengthen trust and scale with confidence.

9/10

customers are highly satisfied

ISO

9001, 27001, 27701, and 22301 certification

20

years of industry leadership

700+

enterprise customers

8bn

messages exchanged

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