OpenAI Select PartnerWhatsApp Business API: How It Works and How to Use It for Sales and Support
Most customers in India would rather message a business on WhatsApp than write an email. The WhatsApp Business App works for one shop and a few staff. When you need several agents, automation or a connection to your own systems, you need the WhatsApp Business Platform, often called the WhatsApp Business API.
In this guide 9 sections
Almost every business software project we scope in India now includes WhatsApp. Order updates, appointment reminders, lead follow-ups and support all work better where customers already are.
The short version
Use the WhatsApp Business App while one or two people handle messages. Move to the WhatsApp Business Platform when you need a team inbox, automation or a connection to your own systems.
App vs platform
| WhatsApp Business App | WhatsApp Business Platform (API) | |
|---|---|---|
| Users | A few devices | Many agents through your software |
| Automation | Basic quick replies | Full automation and chatbots |
| Integration | None | CRM, ERP, order systems, apps |
| Interface | Phone app | Your own or a provider's dashboard |
Meta describes both on the WhatsApp Business site, and the technical details are in the WhatsApp developer documentation.
Common use cases
- Transactional: order confirmations, delivery updates, payment receipts.
- Reminders: appointments, renewals, payment due dates.
- Sales: brochures, quotes and follow-ups logged in the CRM.
- Support: a shared team inbox with assignment and history.
- Self-service: order status, FAQs and bookings through a chatbot.
Templates, opt-in and quality
- Opt-in: customers must agree to receive messages from you.
- Templates: messages that start a conversation use pre-approved templates.
- Customer service window: after a customer messages you, you can reply freely for a limited time.
- Quality rating: blocks and reports lower your rating and can limit your sending.
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The real value appears when every message is linked to a customer record. Sales sees the full conversation, managers see response times, and automated messages trigger from events in your system. This is one of the most common reasons companies choose a custom CRM; see custom CRM vs Salesforce, HubSpot or Zoho.
Adding a chatbot
A WhatsApp chatbot can answer common questions, check order status and book appointments, then hand over to a person when needed. If it answers from your documents, the approach in how to build an AI chatbot for your business applies.
Building your own team messaging instead? See the cost to build a team communication platform.
Customer data
Phone numbers and conversations are personal data. Record opt-in, store conversations securely, limit staff access and follow the DPDP Act.
Common mistakes
- Sending promotional messages to people who never opted in.
- Too many messages, leading to blocks and a lower quality rating.
- Conversations scattered across staff phones with no shared history.
- A chatbot with no route to a person.
How we help
At Creuto we connect WhatsApp to CRMs, order systems and AI assistants, so every conversation is logged and the right messages are sent automatically.
Frequently asked questions
What is the difference between WhatsApp Business App and the API?
The WhatsApp Business App is a free phone app for small businesses with a few users. The WhatsApp Business Platform is for businesses that need multiple agents, automation and integration with their own software.
Do I need a provider to use the WhatsApp Business Platform?
You can use Meta's Cloud API directly or work through a Business Solution Provider that offers dashboards, support and extra tools. Either way, your software connects through the API.
What are message templates?
Templates are pre-approved message formats used to start a conversation with a customer, such as order updates or appointment reminders. Meta reviews them before you can use them.
Can I send marketing messages to anyone?
No. Customers need to have opted in to receive messages from you, and WhatsApp's policies limit what you can send. Respect opt-outs and keep messages useful.
How is the WhatsApp Business Platform priced?
Meta charges for conversations or messages based on category and country, and pricing changes over time. Check Meta's current pricing page before planning your budget.
Need WhatsApp in your CRM or app?
We connect the WhatsApp Business Platform to CRMs, order systems and AI assistants, with every conversation logged.
About Nihar Ranjan Rout
Founder & CEO of Creuto. Over the past 8+ years Nihar has led product strategy and engineering for 50+ products, including mobile apps, custom ERPs and B2B platforms. Creuto is an OpenAI Select Partner. He works directly with founders to turn an idea into a clear plan and a launched product.
More about Nihar · LinkedIn