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Reach any mobile handset with our advanced APIs

Deliver exceptional experiences at scale with reliable messaging, email, voice, and verification

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Trusted by over 500 leading enterprises in India

SMS API

Seamlessly integrate SMS capabilities into your application with our robust SMS API. Send and receive text messages globally, reliably, and efficiently.
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WhatsApp Business APIs

Elevate your customer interactions with WhatsApp Business API. Streamline communication, boost engagement, and drive business growth.
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RCS Business Messaging API

Unlock the potential of rich, interactive messaging to drive sales, boost loyalty, and enhance customer experience with Sinch RCS Business Messaging API.
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Email APIs

Send transactional and marketing emails with ease. Mailhub by Sinch offers everything you need to send, receive, track, and optimize your email efforts.
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Voice & Video APIs

Easily add voice or video capabilities to your app with our versatile APIs. From number masking to text-to-speech alerts, we have you covered.
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SMS APIs

Unlock seamless SMS messaging with our robust, feature-rich API

Reach any phone in the world, stay compliant, and protect your customers inbox from spam and fraud.

  • Carrier-grade SMS make it easy for you to integrate one of the most powerful communication channels into your application.

  • Future-proof your communications with a single API for all messaging channels.

  • Enjoy higher quality, faster speeds, and greater security with no middlemen.

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Send personalized alerts or reminders

Keep customers in-the-loop about upcoming appointments and deliveries with SMS messaging, the channel of their choice.

Drive sales with promotions

Use targeted messages to promote your latest offers, driving customer engagement and increasing sales.

Improve customer experience

Enable seamless, two-way interactions with your customers for better support, sales, and lead generation.
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WhatsApp API

Elevate customer engagement, boost sales and support with WhatsApp

Unlock WhatsApp’s over two billion user base with our Business API. Streamline customer communication to enhance experience and improve conversions.

  • Automate support and streamline customer inquiries, responses, and resolution via WhatsApp.

  • Engage customers with personalized promotions, offers, and updates to boost sales.

  • Provide seamless, secure, and reliable messaging for superior customer satisfaction.

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Address queries and redress grievances in real time

Connect your live agents and/or chatbots to address questions with personalized, conversational support and boost your conversion metrics.

Build loyalty with timely notifications

Order and shipping confirmations, tickets, receipts, delivery updates – give your customers what they need when they need it!

Surveys and feedback collection

Gather customer feedback, conduct surveys, via WhatsApp. Analyze responses to improve products, services, and customer experience.
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RCS Business Messaging

Bring messages to life with rich media and guided responses for an app-like experience

Stand out from the competition with advanced two-way customer conversations right in their SMS inboxes.

  • Take the guess work out of engagement with dynamic content.

  • Only verified business companies can use RCS messaging, so trust is built-in.

  • No downloads required, act like an app.

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Appointment reminders and scheduling

Send interactive reminders for appointments or meetings. Customers can confirm/reschedule appointments, view details, get location maps too.

Keep your customers engaged

Convey personalized product recommendations, exclusive offers, event invites and information on product launches in the best way.

Pave way for happier customers

Extend brand experience outside the native application and see customers coming back for more!
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Email APIs

Send, track, and optimize your emails with ease no matter how many millions you’re sending

With Sinch Mailhub, you can integrate powerful email functionalities into your system with industry-leading reliability, compliance, and speed.

  • Whether you prefer SMTP or RESTful API, you can send as many messages as you need with Sinch Mailhub.

  • Our deliverability tools and services can help you reach more inboxes and optimize your strategy.

  • Quickly clean your list and save money with the fastest email validation service on the market.

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Secure, compliant infrastructure

Mailhub by Sinch is GDPR compliant

HIPAA compliant and ISO 27001 certified.

We can handle any scale

Easy enough for startups, robust enough for global companies.

By developers, for developers

Our APIs and SDKs have clear documentation so you can integrate quickly and start sending emails in minutes.
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Voice APIs

Boost the voice capabilities of your product or calling systems

Create seamless in-app voice calling experiences. With the largest owned network in the nation and regional cloud deployments, you can call anyone in the world.

  • Choose from over 140,000 million phone numbers. We have the largest inventory of any CPaaS. 

  • Reduce costs and get worldwide coverage with our scalable Elastic SIP trunking service. 

  • Design the exact voice call flow you need with inbound and outbound IVR. 

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Implement anonymous calling

Ensure privacy between end users by masking their personal phone numbers during two-way calls.

Improve customer satisfaction

Gather feedback or route calls to the right department with our IVR templates or self-serve flows.

Send important alerts

Use text-to-speech to keep your customers informed about outages, billing issues, or other critical info.

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