Many small businesses start on the free WhatsApp Business app and later ask whether they need the API.
Stay on the app if
- One person answers all chats on one phone.
- You send few messages and do not need automation.
Move to the API if
- Several staff need to answer from one number.
- You want reminders, broadcasts or automated replies at volume.
- You need reports, integrations or an AI agent.
What it costs
You pay a platform fee and Meta's per-message fee by category. InboxWA plans start at Rs 999 per month, and Meta's fees pass through at cost. See WhatsApp API pricing in India and the pricing calculator.
How to start small
- Pick one use case: reminders, order updates or lead replies.
- Collect opt-in properly.
- Build one flow and measure it before adding more.
Related: app vs API, how to get the API.
A worked example
A tuition centre with two staff and 300 students starts with fee reminders. It uploads a student sheet, sets reminders three days before and on the due date, and answers replies from a shared inbox. After a month it adds attendance notices and an admissions AI agent.
Common mistakes
- Starting with five automations at once.
- Messaging an old contact list without consent.
- Not measuring replies and payments after launch.
Frequently asked questions
Is the API free?
Access has no licence fee, but messages and platform use are charged. See the guide on whether it is free.
Can I try it first?
InboxWA has a 7-day free trial with no card.
Try it on your own account
Plans from ₹999/month, zero markup on Meta's message fees. 7-day free trial, no card required.