# Product Introduction

InnoPaaS offers three core product lines to meet diverse business communication and customer interaction needs:

1\. [WhatsApp product](/documentation/documentation-en/whatsapp-product/whatsapp-related-introduction.md)

We provide full WhatsApp Business API integration and management services. Through our platform you can register accounts, send messages, build automated workflows, and manage customer service to conduct business communications and customer interactions efficiently.

2\. [OTP product](/documentation/documentation-en/otp-product/overview.md)

We offer flexible and reliable solutions for security verification scenarios such as login and transactions:

* SMS one-time password: a stable verification method based on carrier networks.
* Universal WhatsApp one-time password: a ready-to-use channel provided for customers who do not yet need or find it inconvenient to create their own WhatsApp Business account. You can send verification codes to WhatsApp users through our platform without registering and managing an account yourself.

3\. [SMS Promotion](/documentation/documentation-en/sms-promotion/overview.md)

We provide professional SMS marketing services to help you reach users efficiently via SMS, suitable for product promotion, member care, and various business marketing initiatives.


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