TURN CHATS INTO SALES

WhatsApp Business API

Bring all your customer chats together, automate messages, and build lasting trust with a verified WhatsApp account, powered by the WhatsApp Business API (available through Sinch Conversation API). 

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world.

DISCOVER SINCH + WHATSAPP 

Reach customers faster, without spending more

The WhatsApp Business API helps you cut through email and SMS fatigue with rich, two-way conversations that boost engagement, reduce support costs, and deliver secure, verified conversations. 

Engagement that converts 

Turn simple alerts into interactive messages that people actually open, click, and remember for more loyal relationships and increased sales. 

Smarter ways to save 

Handle customer service authentication messages for significantly less than the cost of SMS, while rerouting expensive voice calls to automated chats. 

Trust that shows 

A verified green-check profile and encryption give customers peace of mind that every chat is secure and genuinely your brand. 
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HIGHER ENGAGEMENT 

Turn WhatsApp into your highest-performing sales channel 

WhatsApp Business API messages are known for high open and engagement rates, which drive more sales and conversions.

  • Run rich media campaigns with carousels and videos 

  • Close deals faster with two-way conversations 

  • Use Click-to-WhatsApp ads to connect with ready buyers 

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LOWER COSTS 

Save on support with smart, automated chat 

Utility and authentication messages sent through the WhatsApp API often cost over 50% less than SMS in most markets. AI chatbots handle routine questions instantly, freeing up your agents for the most important cases. 

  • Redirect calls to cost-efficient chat 

  • Offer 24/7 answers with AI 

  • Pay less per message than SMS or voice 

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STRONGER TRUST 

Keep chats secure and relationships strong with verified conversations

Every WhatsApp message is protected by industry-standard encryption protocol and sent from a verified profile, giving customers confidence and helping you stay compliant with GDPR. 

  • Green-check profile signals authenticity

  • Encryption keeps sensitive data safe

  • Enterprise-grade reliability and compliance as an official Meta Premier Partner 

WHERE IT WORKS 

Proven WhatsApp journeys that deliver results 

Conversational Marketing 

Drive purchases with rich catalogs, videos, and buttons that let shoppers explore and buy right from the chat. 


Proactive Customer Updates 

Send order confirmations, delivery alerts, and appointment reminders that cut down on support requests and keep customers happy. 

Secure Authentication 

Send one-time passcodes (OTPs) through an encrypted, trusted channel to cut fraud and lower verification costs 
compared to SMS. 

Automated Customer Service 

AI-powered bots answer FAQs instantly while smooth handoffs let agents focus on complex issues.

FEATURES THAT JUST WORK 

Everything you need to make every WhatsApp conversation count 

Verified Business Profile 

Build instant credibility with your name, logo, and an official green checkmark. 

Rich & Interactive Media 

Drive engagement with images, videos, carousels, and quick-reply buttons. 

Encrypted Messaging 

Protect every message to meet GDPR requirements. 

Click-to-WhatsApp Ads 

Bring ready buyers from Facebook or Instagram into a chat in one tap. 

Marketing Messages Lite API 

Send bulk promotions with Sinch’s Marketing Messages Lite API. It’s a simple, cost-efficient solution designed for high-volume WhatsApp marketing. 

AI & Automation Integration 

Keep conversations going with chatbots and Smart Conversations that run 24/7. 

Smart Routing 

A single API with intelligent SMS fallback keeps messages flowing even when data connection drops. 

Omnichannel Support 

Connect WhatsApp with Engage, Contact Pro, and more for seamless cross-channel strategies. 

Frequently Asked Questions about WhatsApp Business API 

The WhatsApp Business API is designed for medium and large businesses that need to manage high message volumes, connect to CRMs or helpdesks, and automate messaging. The free app is made for individuals chatting one-to-one or in a group chat. 

Any enterprise or mid-market brand can use the WhatsApp Business API for customer service, verification, promotional messages, and more, wherever it’s supported.

Pricing is per message and depends on the initiator, template category, and market. It’s typically more cost-effective than SMS or RCS for service, utility, and authentication messages.  

To get started with the WhatsApp API, you’ll need a WhatsApp Business Account (WABA), a phone number for verification, and a partnership with a Meta Business Solution Provider like Sinch. Sinch will guide you through setup to create and verify your account, link your phone number, and connect to the platform. 

Sinch is a Meta Premier Partner, offering reliable access, expert onboarding, and a unified messaging platform with intelligent SMS fallback and omnichannel capabilities. 

Yes, all messages sent through the WhatsApp Business API are protected by the Signal encryption protocol and meet GDPR compliance standards

Yes, the WhatsApp Business API lets you send marketing and utility messages at scale to opted-in users with approved message templates

Easily connect through the Conversation API or ready-to-use platforms like Sinch Engage, giving you a direct connection to your existing systems. 

Get started with our WhatsApp Business API

Talk to more customers, verify your brand with the green checkmark, and turn conversations into conversions with the WhatsApp Business API.