WhatsApp Business app vs WhatsApp Business API

MRBy Mitesh Rao, Founder, CloudFigma· Updated 5 October 2026

The short answer

The WhatsApp Business app is free and suits a business answering customers from one phone. The WhatsApp Business API suits a business that needs several people on one number, automatic replies, reminders and confirmations sent by itself, or messages to many customers at once, and is billed per message by Meta.

Side by side

WhatsApp Business app and API compared
	WhatsApp Business app	WhatsApp Business API
Cost	Free	Meta’s rate per message, plus a provider’s fee
Who replies	You, on your phone and linked devices	Your whole team, from a shared inbox
Messages you start	Only to people in your contacts	Approved templates to anyone who opted in
Sending to many people	Broadcast lists that reach only those who saved your number	Campaigns to every opted-in customer, with delivery per person
Automatic replies	A greeting, an away message and quick replies	Keyword replies, reminders, follow-ups and your own software
Your software	No connection	Order updates and one-time passwords through the API

When to move from the app to the API

Most businesses move up when one of these becomes true:

More than one person needs to reply from the business number.
Customers miss appointments because nobody had time to remind them.
Questions arrive at night and on Sundays, and wait until morning.
You want to send updates or offers to customers who have not saved your number.
Your website, store or app should send messages by itself.

Moving your number

A number can be active in only one place. To use your current number on the API, it is removed from the WhatsApp Business app first; chats on the phone stay on the phone. A new number avoids the interruption entirely, and many businesses keep the app on their old number for personal contacts.

LAUNCH OFFER · 40% OFF

₹5,999₹9,999

for your whole first year, everything included

Then ₹9,999 a year, GST included. Messages billed by Meta.

You save ₹4,000

Offer ends in

Days

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Ends 24 Oct, 11:59 pm, India time

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Questions people ask

Can I use the WhatsApp Business app and the API on the same number?

No. A number is active on either the app or the API at one time. Many businesses use a new number for the API and keep the app on the old one.

Will I lose my chat history if I move to the API?

Chats already on your phone stay on your phone, but they are not carried into the API inbox. New conversations start in the shared inbox from the day you go live.

Is the API worth it for a small business?

If you send reminders, confirmations or offers every week, or more than one person handles customers, yes. With Pulse it costs ₹9,999 a year including GST, with Meta’s own rate per message.

WhatsApp Business app vs WhatsApp Business API

MRBy Mitesh Rao, Founder, CloudFigma· Updated 5 October 2026

The short answer

Side by side

WhatsApp Business app and API compared
	WhatsApp Business app	WhatsApp Business API
Cost	Free	Meta’s rate per message, plus a provider’s fee
Who replies	You, on your phone and linked devices	Your whole team, from a shared inbox
Messages you start	Only to people in your contacts	Approved templates to anyone who opted in
Sending to many people	Broadcast lists that reach only those who saved your number	Campaigns to every opted-in customer, with delivery per person
Automatic replies	A greeting, an away message and quick replies	Keyword replies, reminders, follow-ups and your own software
Your software	No connection	Order updates and one-time passwords through the API

When to move from the app to the API

Most businesses move up when one of these becomes true:

More than one person needs to reply from the business number.
Customers miss appointments because nobody had time to remind them.
Questions arrive at night and on Sundays, and wait until morning.
You want to send updates or offers to customers who have not saved your number.
Your website, store or app should send messages by itself.

Moving your number

LAUNCH OFFER · 40% OFF

₹5,999₹9,999

for your whole first year, everything included

Then ₹9,999 a year, GST included. Messages billed by Meta.

You save ₹4,000

Offer ends in

Days

Hours

Mins

Secs

Ends 24 Oct, 11:59 pm, India time

Your coupon code

Applied automatically when you sign up.

Claim 40% off now →

Questions people ask

Can I use the WhatsApp Business app and the API on the same number?

No. A number is active on either the app or the API at one time. Many businesses use a new number for the API and keep the app on the old one.

Will I lose my chat history if I move to the API?

Chats already on your phone stay on your phone, but they are not carried into the API inbox. New conversations start in the shared inbox from the day you go live.

Is the API worth it for a small business?

If you send reminders, confirmations or offers every week, or more than one person handles customers, yes. With Pulse it costs ₹9,999 a year including GST, with Meta’s own rate per message.

WhatsApp Business app vs WhatsApp Business API

Side by side

When to move from the app to the API

Moving your number

Questions people ask

Can I use the WhatsApp Business app and the API on the same number?

Will I lose my chat history if I move to the API?

Is the API worth it for a small business?

Read next

Start talking to your customers where they already are.

WhatsApp Business app vs WhatsApp Business API

Side by side

When to move from the app to the API

Moving your number

Questions people ask

Can I use the WhatsApp Business app and the API on the same number?

Will I lose my chat history if I move to the API?

Is the API worth it for a small business?

Read next

Start talking to your customers where they already are.