WhatsApp Business API Cost Per Month India 2026

Your WhatsApp Business API monthly cost splits into two parts: the platform/software fee and Meta's per-message charge — and the software half can be ₹0. On a ₹0-platform provider like RichAutomate you pay no subscription at all; your only monthly cost is Meta's usage — you pay per message for marketing, utility and authentication templates, while service replies inside the 24-hour window are free — plus 18% GST. Here is what a real Indian SME actually pays.

The two things you pay for

• Platform fee (software) — set by your BSP. The Indian market ranges from ₹8,000–₹75,000/month on some providers, to ₹0/month on pay-per-use providers. RichAutomate = ₹0 platform, ₹0 setup, ₹0 monthly.
• Meta conversation charge — Meta's own fee, unavoidable on every BSP, billed by category. Meta charges per message for marketing, utility and authentication templates; service messages (your replies within the 24-hour customer-service window) are free. The per-template category rates are what drive this line.

Add 18% GST on both parts.

A realistic monthly example

Take a small D2C brand sending roughly 3,000 messages/month — mostly order updates (utility) with some promotions (marketing):

• Platform fee: ₹0 (on a ₹0-platform provider)
• Per-message app charge: on RichAutomate Client Pay, ₹0.10/message → ~₹300
• Meta message charge: varies by category — utility templates are cheaper than marketing, and replies inside the 24-hour service window add nothing — typically a few hundred to low-four-figure rupees at this volume
• GST: 18% on the above

At this volume many Indian SMEs land in the low-thousands of rupees per month, all-in — dramatically less than a ₹8,000+/month subscription plan for the same sending.

Two pricing models to understand

• Client Pay: you connect your own Meta billing; you pay ₹0.10/message + Meta's per-template charge directly. Best for businesses that want raw Meta cost with minimal markup.
• SaaS Pay: the provider bundles Meta cost into a flat per-message rate — ₹1.20 marketing / ₹0.30 utility — one predictable number without managing Meta billing yourself.

Pick Client Pay for lowest cost and control; pick SaaS Pay for simplicity and predictable per-message pricing.

Costs people forget

• GST (18%) on Meta charges and any platform fee — always on the invoice.
• Going live needs GST registration. You can trial without it, but a live WABA effectively requires GST for business verification — never budget as if it were optional.
• Template design / chatbot setup — ₹0 on RichAutomate's builder, but some agencies charge separately. Confirm before you sign.

How to keep the monthly bill low

• Lean on utility templates (cheaper than marketing) for transactional messages.
• Use the free 24-hour service window — replies to customer-initiated chats are free.
• Only send marketing to opted-in, engaged contacts — poor engagement raises cost and risk.

Bottom line

There is no fixed "WhatsApp API price per month" — it is software fee + Meta usage + GST. Choose a ₹0-platform provider and your monthly cost is essentially just Meta's usage and tax, which for most Indian SMEs is a few hundred to a few thousand rupees. Start on a free 14-day trial with 100 credits to see your own numbers, or check whether the API is really "free" before you commit.