Upgrade to WhatsApp Business API with Zero Subscription Cost

Upgrade to WhatsApp Business API with Zero Subscription Cost

Upgrade to WhatsApp Business API with Zero Subscription Cost

Start with iSlash AI’s Pay-As-You-Go Free Plan.
Only pay for the messages you send.

Start with iSlash AI’s Pay-As-You-Go Free Plan.
Only pay for the messages you send.

+23% Leads

+23% Leads

+23% Leads

5X More Engagement

5X More Engagement

5X More Engagement

-88% Replying Time

-88% Replying Time

-88% Replying Time

Is it really free? Yes — here’s how it works.

Is it really free?
Yes, here’s how it works.

Is it really free?
Yes — here’s how it works.

✅ No setup fee

✅ No setup fee

✅ No monthly subscription

✅ No monthly subscription

✅ Only pay WhatsApp’s per-message cost

✅ Only pay WhatsApp’s per-message cost

✅ Full access to iSlash AI mobile app + dashboard

✅ Full access to iSlash AI mobile app + dashboard

What does
Pay-As-You-Go mean?

What does
Pay-As-You-Go mean?

What does
Pay-As-You-Go mean?

WhatsApp API charges per conversation (24-hour window)

WhatsApp API charges per conversation (24-hour window)

You control the budget — top up as you go.

You control the budget — top up as you go.

Top up via Credit Card, each top up with minimum HK$500 . Credit Balance can be transferred between credit categories.

Top up via Credit Card, each top up with minimum HK$500 . Credit Balance can be transferred between credit categories.

Start Free, Upgrade When You Scale

Start Free, Upgrade When You Scale

Start Free, Upgrade When You Scale

iSlash AI Platform is a customer engagement solution that is scalable according to enterprise's size.

iSlash AI Platform is a customer engagement solution that is scalable according to enterprise's size.

iSlash AI Platform is a customer engagement solution that is scalable according to enterprise's size.

iSlash 深受頂尖企業的信賴

iSlash 深受頂尖企業的信賴

Everything to Know Before I Start

Everything to Know Before I Start

Everything to Know Before I Start

Is WhatsApp Business API Free?

Yes, with iSlash AI Pay-As-You-Go Free Plan, you can upgrade your business messaging to WhatsApp Business API for free. Just pay for message fee.

What is the WhatsApp Business API Pricing?

WhatsApp now charges businesses based on message type. With iSlash AI’s Pay-As-You-Go Free Plan (Hong Kong rates), a Service Conversation costs HKD 0.3844 per 24-hour window, during which you can send unlimited service and utility messages at no extra cost. Outside this window, Utility Messages are HKD 0.81 per send. Marketing Messages cost HKD 1.2561 each, and Authentication Messages are HKD 0.7293 each. No monthly fees — just simple, usage-based pricing built for growing businesses.

How to upgrade to WhatsApp Business API for Free?

To upgrade to WhatsApp Business API, simply create an iSlash AI account at https://app.islash.io/register with your business email address. Then contact iSlash AI Support Team on WhatsApp for your free upgrade.

Can I use WhatsApp Apps & WhatsApp Business API on the same number?

No, a number is only applicable for one type of WhatsApp account, inclusive of WhatsApp Business API. We recommend using your business landline for the upgrade to WhatsApp Business API.

Can I send automated messages using WhatsApp Business API?

Yes, you can automate messaging on WhatsApp Business API, including welcome messages, order/payment confirmations, OTP messages and even marketing campaign messages, all with iSlash AI.

Can I access WhatsApp Business API on multiple devices?

Yes, you can access WhatsApp Business API on as many devices as you need with iSlash AI. Unlike WhatsApp Business and WhatsApp Personal APP, WhatsApp Business API's access is customizable. You can log in to iSlash AI on browsers like Google Chrome, Safari, Microsoft Edge, Brave and more. iSlash AI mobile application is also available for easy access to chatroom and receiving message notifications on your mobile phone.

Which is better: WhatsApp Business or WhatsApp Business API?

While WhatsApp Business is tailored for small businesses & individual owners, WhatsApp Business API is built for medium to large businesses with large message volumes and/or businesses looking to automate customer support and engagements. Open up the possibilities such as to use WhatsApp on multiple devices, send WhatsApp broadcasts to over 1,00,000 users at one go, automate WhatsApp with AI Chatbot, and send clickable buttons with messages, the right choice is WhatsApp Business API.

Which iSlash AI Plan is best for me?

It depends on your business needs- Pay-as-you-go (Free Plan): Perfect for SMEs to explore the platform with no commitment. Full features included; only messaging fees apply. Monthly Subscription Plan: Ideal for businesses with regular messaging needs or aiming to scale. Enjoy full features with lower messaging costs for long-term value.

Is WhatsApp Business API Free?

Yes, with iSlash AI Pay-As-You-Go Free Plan, you can upgrade your business messaging to WhatsApp Business API for free. Just pay for message fee.

What is the WhatsApp Business API Pricing?

WhatsApp now charges businesses based on message type. With iSlash AI’s Pay-As-You-Go Free Plan (Hong Kong rates), a Service Conversation costs HKD 0.3844 per 24-hour window, during which you can send unlimited service and utility messages at no extra cost. Outside this window, Utility Messages are HKD 0.81 per send. Marketing Messages cost HKD 1.2561 each, and Authentication Messages are HKD 0.7293 each. No monthly fees — just simple, usage-based pricing built for growing businesses.

How to upgrade to WhatsApp Business API for Free?

To upgrade to WhatsApp Business API, simply create an iSlash AI account at https://app.islash.io/register with your business email address. Then contact iSlash AI Support Team on WhatsApp for your free upgrade.

Can I use WhatsApp Apps & WhatsApp Business API on the same number?

No, a number is only applicable for one type of WhatsApp account, inclusive of WhatsApp Business API. We recommend using your business landline for the upgrade to WhatsApp Business API.

Can I send automated messages using WhatsApp Business API?

Yes, you can automate messaging on WhatsApp Business API, including welcome messages, order/payment confirmations, OTP messages and even marketing campaign messages, all with iSlash AI.

Can I access WhatsApp Business API on multiple devices?

Yes, you can access WhatsApp Business API on as many devices as you need with iSlash AI. Unlike WhatsApp Business and WhatsApp Personal APP, WhatsApp Business API's access is customizable. You can log in to iSlash AI on browsers like Google Chrome, Safari, Microsoft Edge, Brave and more. iSlash AI mobile application is also available for easy access to chatroom and receiving message notifications on your mobile phone.

Which is better: WhatsApp Business or WhatsApp Business API?

While WhatsApp Business is tailored for small businesses & individual owners, WhatsApp Business API is built for medium to large businesses with large message volumes and/or businesses looking to automate customer support and engagements. Open up the possibilities such as to use WhatsApp on multiple devices, send WhatsApp broadcasts to over 1,00,000 users at one go, automate WhatsApp with AI Chatbot, and send clickable buttons with messages, the right choice is WhatsApp Business API.

Which iSlash AI Plan is best for me?

It depends on your business needs- Pay-as-you-go (Free Plan): Perfect for SMEs to explore the platform with no commitment. Full features included; only messaging fees apply. Monthly Subscription Plan: Ideal for businesses with regular messaging needs or aiming to scale. Enjoy full features with lower messaging costs for long-term value.

Is WhatsApp Business API Free?

Yes, with iSlash AI Pay-As-You-Go Free Plan, you can upgrade your business messaging to WhatsApp Business API for free. Just pay for message fee.

What is the WhatsApp Business API Pricing?

WhatsApp now charges businesses based on message type. With iSlash AI’s Pay-As-You-Go Free Plan (Hong Kong rates), a Service Conversation costs HKD 0.3844 per 24-hour window, during which you can send unlimited service and utility messages at no extra cost. Outside this window, Utility Messages are HKD 0.81 per send. Marketing Messages cost HKD 1.2561 each, and Authentication Messages are HKD 0.7293 each. No monthly fees — just simple, usage-based pricing built for growing businesses.

How to upgrade to WhatsApp Business API for Free?

To upgrade to WhatsApp Business API, simply create an iSlash AI account at https://app.islash.io/register with your business email address. Then contact iSlash AI Support Team on WhatsApp for your free upgrade.

Can I use WhatsApp Apps & WhatsApp Business API on the same number?

No, a number is only applicable for one type of WhatsApp account, inclusive of WhatsApp Business API. We recommend using your business landline for the upgrade to WhatsApp Business API.

Can I send automated messages using WhatsApp Business API?

Yes, you can automate messaging on WhatsApp Business API, including welcome messages, order/payment confirmations, OTP messages and even marketing campaign messages, all with iSlash AI.

Can I access WhatsApp Business API on multiple devices?

Yes, you can access WhatsApp Business API on as many devices as you need with iSlash AI. Unlike WhatsApp Business and WhatsApp Personal APP, WhatsApp Business API's access is customizable. You can log in to iSlash AI on browsers like Google Chrome, Safari, Microsoft Edge, Brave and more. iSlash AI mobile application is also available for easy access to chatroom and receiving message notifications on your mobile phone.

Which is better: WhatsApp Business or WhatsApp Business API?

While WhatsApp Business is tailored for small businesses & individual owners, WhatsApp Business API is built for medium to large businesses with large message volumes and/or businesses looking to automate customer support and engagements. Open up the possibilities such as to use WhatsApp on multiple devices, send WhatsApp broadcasts to over 1,00,000 users at one go, automate WhatsApp with AI Chatbot, and send clickable buttons with messages, the right choice is WhatsApp Business API.

Which iSlash AI Plan is best for me?

It depends on your business needs- Pay-as-you-go (Free Plan): Perfect for SMEs to explore the platform with no commitment. Full features included; only messaging fees apply. Monthly Subscription Plan: Ideal for businesses with regular messaging needs or aiming to scale. Enjoy full features with lower messaging costs for long-term value.

Not sure how to use it?

Not sure how to use it?

We’ve got you covered.

We’ve got you covered.

✅ Step-by-step user guide (written & videos)

✅ Step-by-step user guide (written & videos)

✅ Step-by-step user guide (written & videos)

✅ WhatsApp live support

✅ WhatsApp live support

✅ WhatsApp live support

✅ Dedicated success team when you scale

✅ Dedicated success team when you scale

✅ Dedicated success team when you scale

Free Upgrades for SMEs only!

Free Upgrades for SMEs only!

Start Free Today

Start Free Today