Author Details
Arun Sasidharan
Arun Sasidharan is a product marketing specialist at Happilee with more than 10 years of experience in B2B and SaaS marketing. He has spent his career helping businesses unlock the true potential of customer communication — from crafting go-to-market strategies to driving adoption of marketing automation tools.
At Happilee, Arun focuses on educating businesses about WhatsApp automation, chatbot-driven sales, and conversational customer engagement. His writing blends real-world marketing experience with practical, actionable insights that businesses can apply immediately.
Recent posts from Arun Sasidharan
WhatsApp Appointment Reminders: The Complete Guide to Cutting No-Shows in 2026
Every empty chair in your salon, clinic, or consulting office has a cost — and most of those empty chairs were booked. The customer simply didn’t show. If you’ve been fighting no-shows with email nudges and SMS blasts that go unread, the problem may not be your reminder strategy. It may be your reminder channel.Continue reading "WhatsApp Appointment Reminders: The Complete Guide to Cutting No-Shows in 2026"
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WhatsApp Coexistence for SMBs: Use WhatsApp Business App and API on the Same Number
WhatsApp Coexistence is an official Meta feature that lets one WhatsApp Business number run on the WhatsApp Business App and the WhatsApp Business (Cloud) API at the same time. You keep chatting from your phone while adding automation, broadcasts, chatbots, and a shared team inbox through a Meta Business Partner like Happilee — no newContinue reading "WhatsApp Coexistence for SMBs: Use WhatsApp Business App and API on the Same Number"
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Best WhatsApp Marketing Software in India 2026: Features, Pricing & Which to Pick
Key Findings India is the world’s largest WhatsApp market. DataReportal’s Digital 2025 report estimates 535.8 million Indian WhatsApp users — the largest single-country user base anywhere (as cited by AiSensy referencing DataReportal); Meta has published no newer official figure as of mid-2026. This scale is why WhatsApp is now the primary marketing channel for IndianContinue reading "Best WhatsApp Marketing Software in India 2026: Features, Pricing & Which to Pick"
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What Is an OBA on WhatsApp? The Complete 2026 Guide to Official Business Accounts
If you’ve ever messaged a bank, airline, or major retailer on WhatsApp and noticed a small blue checkmark next to their name, you’ve seen an OBA in action. That single badge tells a customer, in an instant, that they’re talking to the real business — not an impersonator running a lookalike number. For any companyContinue reading "What Is an OBA on WhatsApp? The Complete 2026 Guide to Official Business Accounts"
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Why Meta Business Agent Can’t Replace the WhatsApp Business API
Meta rolled out its own AI agent inside the WhatsApp Business app, and the question that followed almost immediately was some version of: does this make the WhatsApp Business API unnecessary? It’s a fair question. Both live on WhatsApp. Both use AI. Both come from Meta’s own ecosystem in some form. On the surface, itContinue reading "Why Meta Business Agent Can’t Replace the WhatsApp Business API"
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WhatsApp OTP: How to Send an OTP on WhatsApp Using Happilee API
Here’s a scenario every product team knows too well. A user lands on your app, fills in their details, hits **”Send OTP”** — and then just… waits. Ten seconds. Twenty. Forty-five. The code never comes. They refresh. Request again. Nothing. And then they leave. Not because your product failed them. Because your verification channel did.Continue reading "WhatsApp OTP: How to Send an OTP on WhatsApp Using Happilee API"
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Click-to-WhatsApp Ads: How to Increase Conversions in 2026
Most ad campaigns send people to a landing page and hope they stick around long enough to fill out a form. Click-to-WhatsApp Ads (CTWA) take a completely different approach: one tap on your Facebook or Instagram ad, and the customer is already talking to your business on WhatsApp — no form, no redirect, no drop-off.Continue reading "Click-to-WhatsApp Ads: How to Increase Conversions in 2026"
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WhatsApp for eCommerce: 15+ Proven Tactics That Turn Chats Into Sales
Key Takeaways If you only have two minutes, here is what this guide covers. WhatsApp is now the highest-performing messaging channel available to eCommerce brands — its open rates consistently reach 95–98%, compared to around 21% for email and 45% for SMS. That gap is not a quirk of the platform; it reflects the factContinue reading "WhatsApp for eCommerce: 15+ Proven Tactics That Turn Chats Into Sales"
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Best WhatsApp Business API Provider in India 2026 — Why Happilee Leads the Pack
The best WhatsApp Business API provider in India is one that combines official Meta-verified API access with AI chatbot automation, WhatsApp commerce (product catalogs), appointment booking, Click-to-WhatsApp ads integration, and broadcast campaign management — all under one roof. Happilee is the only platform in India that unifies all five into a single growth engine forContinue reading "Best WhatsApp Business API Provider in India 2026 — Why Happilee Leads the Pack"
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