Your favorite brands rely on Sinch

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Meet customers where they are and spark action

Harness the power of SMS, its immediacy, and personalization capability to boost ROI. Don’t just engage with customers – keep them coming back via seamless conversations over SMS.


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open rates for SMS messages are amongst the highest across any form of marketing


of consumers say, “I avoid buying from brands I don’t trust” – Build the trust with verified messaging

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Use Case HDFC Bank

Personalized and interactive messaging

Find out how HDFC uses highly personalized, relatable, and visually rich content via SMS to increase customer engagement and retention.

The Challenge
Identify micro insights at a persona level to run effective campaigns and improve conversion rates.

The Solution
Personalized and interactive SMS and emails to spark a connection with customers, prompting them to engage with the brand.

The Result
Significant boost in engagement, conversions, app download, form fills and sales.

Gain happier customers, effortlessly

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Enable a CX your customers deserve

SMS is still a great tool — whether confirming a restaurant reservation, approving a big-ticket purchase, or just about any actionable alert. Remove barriers to a meaningful engagement with SMS API.

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Frequently Asked Questions

  • What is SMS API?

    SMS API allows your business to integrate SMS messaging into your existing software platforms. With SMS APIs, you can send or receive SMS messages promptly through any website or application. APIS makes it possible for a business to deliver customer notifications and information through SMS even outside business hours. 

  • What is a text length of a single SMS?

    The text limit for a single SMS is 160 characters. 

  • How Does an SMS API Work?

    SMS APIs connect telecom carriers to the internet. Hence, there is no need to use a third-party platform or software “middleman” in this process. As you integrate an SMS API, its protocols shall enable you to send SMS automatically. As opposed to web-based applications, SMS API does not require an internet connection. As long as a user has cell phone access, they can receive your messages anywhere, any time. 

  • Should I integrate SMS using HTTP or SMPP?

    To determine whether to integrate using HTTP or SMPP, you should take certain factors into consideration, such as the volume of messages you intend to send and receive and the coding languages your team is proficient in. SMPP is the more complicated of the two technologies, hence before opting for it; you need to be assured that your team is well-versed with the system. 

  • How do I measure my SMS marketing results?

    Sinch offers powerful marketing analytics for your SMS campaigns. With our intuitive web-based interface you can effectively monitor and analyze your messaging traffic through statistics and detailed reports. 

  • How much would I have to pay for SMS marketing?

    The costs associated with your SMS marketing campaign would depend on your specific requirements, including the number of subscribers in your text message list and the frequency of text message campaigns you send out. Give Sinch a call to get an approximate quote for your campaign. 

  • What is meant by A2P SMS?

    A2P (Application-to-Person messaging) is a type of SMS sent from a subscriber to an application or sent from an application to a subscriber. It is a popular tool for customer engagement, notification, and authentication. 

  • What implies to a “short code” in SMS marketing?

    A shortcode is the 5- or 6-digit alphanumeric code used by companies when sending and receiving text messages. You can consider it to be the text messaging mailing address of your brand. For example, you can provide the short code (25789) to your customers so that they can sign up for your newsletter by texting “Yes “to 25789. 

  • Why use SMS service for business?

    Sinch aims at making your SMS marketing process simple and hassle-free. Through us, you can enjoy single and bulk SMS service, low cost per message, prompt SMS delivery, and many more advantages. 

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