Zero Per-Message Fees: How BizChat Saves You 50%

Understanding WhatsApp API Pricing

Meta (the company behind WhatsApp) charges businesses for every conversation initiated through the Business API. As of 2026, the pricing in India breaks down into four categories:

These are Meta's charges, passed through by your BSP (Business Solution Provider). The BSP then adds their own platform fee on top. So you are paying two bills: one for the platform, one for the messages.

The Real Cost: A Monthly Breakdown

Let us take a realistic example. You are a growing business sending 5,000 marketing messages and handling 2,000 customer conversations per month.

That is a saving of INR 5,050 per month or INR 60,600 per year. As your message volume grows, the savings compound. A business sending 20,000 messages monthly would save over INR 2 lakh annually.

How Session-Based Messaging Works

BizChat's session mode connects to WhatsApp using the same protocol as WhatsApp Web. Your messages go through WhatsApp's servers just like any personal message — no API intermediary, no Meta billing.

This approach has several advantages beyond cost savings:

• • No 24-hour window: API-based platforms can only send free-form messages within 24 hours of the customer's last message. After that, you must use pre-approved templates. Session mode has no such restriction.
• • No template approval: With the API, every message template must be submitted to Meta for approval, which takes 1-24 hours. Session mode lets you send any message anytime.
• • Group support: The API does not support group chats. Session mode gives full access to all your groups.
• • No number migration: You keep your existing WhatsApp number. No need to get a new number or go through Meta's verification process.

When You Still Need the API

To be fair, the WhatsApp Business API has advantages that session mode cannot replicate:

• • Green tick verification: The verified business badge requires the official API.
• • High-volume broadcasts: Sending to 50,000+ contacts is more reliable through the API infrastructure.
• • Chatbot integration: Complex automated flows work best with API-based webhooks.

This is why BizChat offers both channels. Use session mode for daily conversations and group management (zero fees), and use the WABA channel for broadcasts and green-tick verification (standard Meta fees apply). Most businesses find that 80-90% of their messages can go through session mode, dramatically reducing their overall costs.

The Competitor Pricing Trap

Many competitors advertise low platform fees to attract customers, but the per-message fees are where they make their margin. Some BSPs add a markup on top of Meta's fees. For example, if Meta charges INR 0.95 per marketing message, the BSP might charge INR 1.09 — keeping INR 0.14 per message as their margin.

When you are sending thousands of messages, these small markups add up to lakhs annually. Always ask for a complete cost breakdown before committing to any platform.

How to Calculate Your Savings

Here is a simple formula to estimate what you would save with BizChat's session mode:

For most businesses sending more than 2,000 messages per month, the switch to BizChat's session mode pays for itself in the first month.