Extend Functionality with Relevant APIs

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Using the WhatsApp Customer Care window option, you can easily create a 24-hour support window. When a customer replies to one of your messages, the support window opens – and during that time you can freely communicate with that customer without having to use WhatsApp-approved message templates.

If an escalation belgium telegram path leads to a customer care agent during the 24-hour window, WhatsApp Business enables you to use automation. These escalation paths might include for example a phone number, email, SMS text message, web support or a support form.

In cases where you need more than 24 hours to process an inquiry or answer a question, you might need to send a message template to the customer, prompting them to answer the message, and activate the “support window” again.

Through the strategic use of virtual phone numbers, you can extend your sales, marketing, and customer service presence as needed, to ensure that consumers the world over can reach you at any time.


Using APIs, you can extend the functionality of your WhatsApp Business platform. For example, with the IDT Express SMS API, you can seamlessly build customer journeys by fostering interactive conversations, all within the framework of your app. The IDT Express SMS API has a user-friendly wizard-driven code generation process that is fast and effortless to utilize. In just minutes, you can enhance your sales and foster customer loyalty by leveraging impactful SMS advertising targeted at your customer base. Quickly send SMS polls, surveys and request customer feedback with two-way messaging, and create highly personalized SMS notifications that cater to any use case with unmatched flexibility.

IDT’s bulk SMS messaging platform provides coverage in 99.95% of the world’s nations, ensuring that you can extend the reach of your base WhatsApp infrastructure through the deployment of virtual phone numbers.

To learn more about how the IDT Express SMS API can enhance your WhatsApp marketing efforts, book a demo.