We compared the top WhatsApp bulk messaging platforms used by Indian businesses, Whatso, AiSensy, WATI and Interakt, on pricing, whether they require the official WhatsApp Business API, hidden per-message markups, and how fast you can start sending. Here is what the pricing pages and independent reviews actually show.
If you want a flat annual price with no WhatsApp Business API requirement and no per-message markup, Whatso is the simplest option starting at Rs. 2,999/year. If you specifically need the official Meta-verified API for high-volume automated notifications and can budget for per-message charges on top of a subscription, AiSensy, WATI or Interakt are the established options, but expect your real monthly bill to run well above the advertised starting price once template message charges and markups are added.
Based on publicly listed pricing pages and third-party cost breakdowns cited at the bottom of this article.
Starting prices as publicly listed. Meta message charges (where applicable) are billed separately and are not included in the subscription price.
| Software | Starting Price | WhatsApp API Required | Per-Message Charges | Setup Time | Best For |
|---|---|---|---|---|---|
| Whatso Top Pick | Rs. 2,999/year, flat | No | None | Minutes | Small and mid-size businesses wanting a fixed annual cost |
| AiSensy | Rs. 1,500/month + messages | Yes, official API | Rs. 1.09/marketing msg (India) | 1 to 3 days, API verification | Teams needing chatbots and Shopify/WooCommerce automation |
| WATI | $59/month (~Rs. 5,000) | Yes, official API | Meta rate + ~20% markup | Few days, API verification | Support-heavy teams wanting multi-agent inbox |
| Interakt | Rs. 999 to 3,499/quarter | Yes, official API | Meta rate + ~12-25% markup | Few days, API verification | Shopify sellers wanting commerce-native workflows |
Pricing verified against vendor pricing pages and third-party cost breakdowns as of mid-2026. Meta's per-message rates and provider markups vary by country and change periodically, always confirm current rates directly with the provider before purchasing.
Whatso is a bulk WhatsApp sender built for businesses that want to send broadcasts, catalogues and automated replies without going through the official WhatsApp Business API approval process. Because it connects directly to a regular WhatsApp account instead of Meta's API, there is no per-message billing, your cost is the same whether you send 500 messages or 50,000 in a month, within fair use limits.
Source: Whatso pricing page, whatso.co/pricing
AiSensy is an official WhatsApp Business Solution Provider offering a Free plan, a Basic plan, a Pro plan and a custom Enterprise plan, with a 14-day trial on the paid tiers. Because it runs on the official API, every marketing, utility and authentication template message is billed separately by Meta on top of the subscription.
Sources: aisensy.com/pricing, independent QuickReply.ai analysis of AiSensy pricing plans
WATI positions itself as an end-to-end WhatsApp API platform for SMBs, with plans built around agent seats and chatbot automation triggers rather than raw message volume. Pricing starts at $59 a month billed annually for the Growth plan, rising to $119 a month for Pro and $279 a month for Business, each with a 7-day free trial.
Sources: wati.io/pricing, independent Prospeo.io and YCloud.com WATI cost analysis
Interakt, built by Haptik and now part of Jio, is aimed at Shopify and D2C sellers who want WhatsApp catalogue selling, cart recovery and order automation. The Starter plan runs roughly Rs. 3,499 per quarter for small businesses on WhatsApp, the Growth plan around Rs. 7,699 per quarter adds advanced automation and both WhatsApp and Instagram channels, and the Advanced plan sits near Rs. 10,499 per quarter for larger businesses needing chatbot flows.
Sources: interakt.shop/pricing-us, independent Zoko.io and GoKwik.co Interakt cost analysis
No WhatsApp Business API needed, no markup on messages, no surprise invoices
On a total-cost basis, Whatso is typically the cheapest option for businesses sending regular broadcasts, since its Rs. 2,999/year plan has no per-message charge. Official API providers like AiSensy, WATI and Interakt often start with a lower-looking monthly fee, but Meta's per-message charges plus provider markups usually push the real monthly cost well above a flat-fee tool once you are sending a few thousand messages.
No. The official WhatsApp Business API is required if you need Meta's Green Tick verification, want to integrate messaging deeply into a CRM via webhooks, or need guaranteed template approval at very high volumes. For most small and mid-size businesses sending broadcasts, offers and catalogues, a non-API tool like Whatso is sufficient and considerably cheaper.
All three are official WhatsApp Business Solution Providers. Meta charges a per-message fee for every marketing, utility and authentication template delivered, and each provider typically adds its own markup of roughly 12 to 25% on top of Meta's base rate. This means your final bill scales with your message volume, not just your subscription tier.
For a small business testing WhatsApp marketing for the first time, a flat-fee tool with no API requirement removes the biggest source of unpredictable cost and the days-long API verification wait. Whatso's Standard plan is built for exactly this stage.
No, Whatso connects directly to a regular WhatsApp Business account rather than the official Meta API, which is what allows it to offer flat annual pricing without per-message charges. Businesses that specifically require Green Tick verification or deep webhook-based CRM integration should evaluate an official BSP such as AiSensy, WATI or Interakt instead.
Pricing and feature claims in this comparison were checked against the following publicly available sources as of mid-2026.
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