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WhatsApp Business API and CRM automation: the complete guide hub

Fourteen guides on choosing, pricing, integrating and running WhatsApp for sales and lead follow-up in India.

Updated ·14 guides·By Rinku Singh

Short answer: Use the free WhatsApp Business app while one or two people answer chats from one phone. Move to the WhatsApp Business API, through a provider, when several people share a number, you need chatbots or you send templates to hundreds of opted-in contacts; add a CRM when leads pass through several stages and you need revenue by source. Every automated message needs prior opt-in, and outside the 24-hour window only approved templates can be sent. Start with the app vs API decision, then costs, then the consent rules.

Start here: recommended reading order

New to the topic? Read these 4 guides in order.

  1. WhatsApp Business App vs API vs CRM: Which to Choose — the first decision, with monthly costs and how coexistence works.
  2. WhatsApp Business API Cost in India (Oct 2026 Rates) — Meta's per-message rates in ₹, provider plans, GST and worked monthly bills.
  3. WhatsApp Opt-In, Template and Consent Rules (2026) — what you may send: opt-in, template categories and messaging limits.
  4. WhatsApp CRM Integration: Step-by-Step Setup Guide — connector vs provider inbox vs Cloud API webhook, with tests.

Choose and price your setup

Pick the right product, provider and CRM

Most cost surprises come from the message mix and provider markup, not the plan fee.

App vs API vs CRMDecision table, costs, coexistence and a migration plan.Read guide →WhatsApp API cost in IndiaPer-message rates, plan prices, GST and three worked bills.Read guide →Choosing a WhatsApp API providerBSP vs Tech Provider and five Indian providers' prices.Read guide →Best CRM for WhatsApp leadsCRMs with native WhatsApp and a five-user monthly cost.Read guide →

Integration and team operations

Connect WhatsApp to your CRM, team and reports

Integration turns WhatsApp into a lead system: every chat matched, assigned and traced to its campaign.

WhatsApp CRM integrationThree integration routes, field mapping and a sample payload.Read guide →Shared inbox for sales teamsAssignment rules, response SLAs and a ten-step setup.Read guide →AI WhatsApp chatbotsMeta's 2026 AI rules, build vs buy and human handoff.Read guide →WhatsApp lead trackingClick events, reference codes and ctwa_clid from ads.Read guide →

Lead follow-up automation

Reply fast and follow up on a fixed cadence

Automation handles speed and reminders; salespeople handle the conversations.

WhatsApp lead managementCadence table, routing, CRM fields and templates.Read guide →25 follow-up templates25 templates marked utility or marketing, with costs.Read guide →

Industry playbooks

Flows for property, admissions and clinics

Each industry needs different qualification questions, reminders and rules.

WhatsApp automation for real estateQualification buttons, visit booking and sample templates.Read guide →WhatsApp for admissionsCounsellor routing, template choice and rules for minors.Read guide →Clinic appointment bookingLive calendar slots, reminders and NMC-safe examples.Read guide →

Rules and compliance

Keep your number healthy and your messages lawful

Opt-in, template category and quality rating decide whether messages are delivered at all.

Opt-in and template rulesOpt-in, template categories, quality rating, limits and DPDP.Read guide →

Which guide do I need?

If you want to…Read
Decide whether you need the APIApp vs API vs CRM
Estimate your monthly billWhatsApp API cost in India
Shortlist a provider or CRMChoosing a WhatsApp API provider + Best CRM for WhatsApp leads
Let several salespeople share one numberShared inbox for sales teams
Log every chat in your CRMWhatsApp CRM integration
Know which ad produced a WhatsApp leadWhatsApp lead tracking
Write follow-ups that get approved25 follow-up templates + Opt-in and template rules

Related GrowthSparx services, industry pages, free calculators and documented client results.

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FAQ

Common questions

What is WhatsApp Business API pricing in India?

Meta charges per delivered message. On the INR rate card checked in October 2026, a marketing template costs ₹0.8631 and a utility or authentication template ₹0.115, before 18% GST. Most businesses also pay a provider plan; those in our cost guide ranged from ₹500 to ₹16,999 a month.

How does a WhatsApp CRM for lead generation work?

It does not create leads; it stops paid leads leaking. It logs each enquiry's source, replies instantly, routes the lead to an owner, reminds them to follow up and records the outcome, which shows cost per qualified lead and per sale by campaign so budget moves to what converts.

How do I integrate WhatsApp with my CRM?

Get a WhatsApp Business Platform account, then connect it through your CRM's native connector, a provider inbox that syncs to the CRM, or your own Cloud API webhook. Match contacts on the +91 phone number, log every message as an activity, and test duplicates, opt-outs and the 24-hour window before going live.

Can I send WhatsApp follow-ups to leads who filled a form?

Yes, if the form collected explicit WhatsApp opt-in naming your business. Because a form lead has not messaged you first, the first follow-up and every later one outside a 24-hour reply window must be an approved template in the correct category.

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