WhatsApp Business API
Integration at Scale
We set up and integrate the official WhatsApp Business API handling Meta onboarding, template approval, chatbot integration, and CRM sync from day one. 98% open rate. Official API. Zero ban risk.
End-to-End WhatsApp API Services
From Meta onboarding to AI chatbot integration we handle every part of your WhatsApp Business API setup.
Official WABA Setup
We handle the full Meta Business verification, WhatsApp Business Account onboarding, phone number registration, and API access configuration end to end.
Template Messages
Create, submit, and manage approved message templates for transactional alerts, marketing campaigns, and re-engagement fully compliant with Meta's policies.
Interactive Buttons & Lists
Build interactive message flows using reply buttons, list menus, quick replies, and carousel templates guiding customers through journeys with higher completion rates.
Webhook Event Handling
Set up and manage WhatsApp webhooks to receive real-time delivery receipts, read receipts, reply events, and status updates triggering downstream automations instantly.
AI Chatbot Integration
Combine the WhatsApp API with GPT-4o to build intelligent chatbots that handle natural conversations, qualify leads, book appointments, and resolve support queries.
CRM & Backend Sync
Sync every conversation, message event, and contact bi-directionally with your CRM, database, or backend so your team has full context on every customer interaction.
Why WhatsApp API
Connect Better. Grow Faster.
Why Choose Mind Stack Labs
Official WhatsApp Business API partner
Meta Cloud API & Twilio specialists
250+ automation systems delivered globally
Dedicated project manager per engagement
Clean, documented, production-ready integrations
NDA & full IP ownership guaranteed
Long-term support & maintenance plans
Free 30-day post-launch support included
Industries We Serve
We've built WhatsApp API integrations for businesses across every industry from e-commerce to healthcare and logistics.
WhatsApp Integrations We Build
Transactional Notifications
Order confirmed → shipping update → delivery alert each triggered by your backend and sent via the WhatsApp API with real-time tracking data included.
AI-powered Chatbot
Customer messages → AI reads intent → pulls product/account data → responds naturally → books appointment or escalates → logs conversation to CRM.
Broadcast Campaigns
Upload opted-in contact list → personalise with dynamic variables → send approved template at the optimal time → track delivery, read, and reply rates.
Lead Qualification Flow
Ad click → WhatsApp opens → AI runs qualification script → scores lead → routes hot leads to sales rep instantly → logs cold leads for nurturing.
Appointment Reminders
Booking confirmed → confirmation sent via WhatsApp → reminder 24h before → reminder 1h before → post-appointment follow-up all automated.
Customer Support Bot
Customer messages → AI resolves FAQ or pulls order status → escalates to human agent with full context if needed → CSAT collected after resolution.
WhatsApp Stack We Use
Every integration we build uses this stack battle-tested and production-ready across hundreds of deployments.
WhatsApp Business API
Meta Cloud API
Twilio
n8n
OpenAI API
Supabase
HubSpot
Firebase
REST APIsHow We Work
Our Process
From discovery to deployment we follow a proven 4-phase process that ensures every WhatsApp integration is reliable, scalable, and production-ready.
Meta Onboarding
We handle Meta Business Manager setup, WABA verification, phone number registration, and API access getting you from zero to approved in the fastest possible timeline.
Template Creation
We design and submit all required message templates transactional, marketing, and utility and manage the Meta approval process on your behalf.
Integration Build
We build the full integration webhook handling, message sending logic, CRM sync, AI chatbot if needed and test every flow end to end.
Launch & Monitor
We go live, monitor delivery rates and webhook health, handle any Meta policy issues, and provide ongoing maintenance and support.
Advanced WhatsApp Features
AI-powered Conversations
Combine the WhatsApp API with GPT-4o for human-like conversations that understand context, remember prior messages, and handle complex queries naturally.
Personalised Broadcasts
Dynamic variable substitution in every template personalise name, order number, product, amount, and any field at scale across thousands of recipients.
Full Meta Compliance
Every integration we build is fully compliant with Meta's messaging policies opt-in management, frequency caps, and template approval best practices included.
Time-zone Aware Sending
Schedule campaigns to send at the optimal local time for each recipient maximising open rates and minimising opt-outs across global audiences.
FAQ
Common Questions
Have more questions? Book a free 30-minute discovery call no commitment required.
Book a free callDo we need a WhatsApp Business Account before starting?
No. We handle the complete Meta Business verification, WhatsApp Business Account setup, phone number registration, and API access as part of our service from zero to live.
What's the difference between WhatsApp Business App and WhatsApp Business API?
The app is for small businesses managing chats manually on one device. The API enables automated messaging, bulk sends, chatbots, CRM integrations, and multiple-user access built for scale.
Can we send promotional/marketing messages?
Yes through approved marketing message templates sent to opted-in contacts. We handle template creation, Meta approval, and ensure every campaign is fully compliant to protect your number from bans.
How long does Meta verification take?
Meta Business verification typically takes 3–7 business days. WhatsApp number registration is usually approved within 24–48 hours after verification. We manage the entire process and follow up if delays occur.
Let's Set Up Your WhatsApp Business API
Tell us about your messaging use case and we'll provide a detailed WhatsApp API proposal within 24 hours.