WhatsApp Business API —
Powered by CallExchange
As a certified Meta Tech Provider, CallExchange manages your DID numbers, handles WhatsApp number verification end-to-end, and delivers a fully integrated messaging solution inside your CRM — all from one platform.
How CallExchange Activates Your
WhatsApp Business API
From buying your DID to live WhatsApp messaging in as few as 3 business days — we handle every step.
Purchase a DID from CallExchange
Choose a local or international Direct Inward Dialing number from our global inventory. Your DID becomes the dedicated identity for your WhatsApp Business account.
Number Verification via Meta
We process your DID through Meta's official verification flow. CallExchange receives and relays the OTP on your behalf, so the number is verified without any action required from you.
Meta Developer API Account Provisioned
Once verified, we provision your Meta Developer account and WhatsApp Business API credentials — giving your business full access to the Cloud API, webhooks, and messaging templates.
CRM Integration & Go Live
If you use the CallExchange CRM platform, we integrate WhatsApp messaging directly into your agent workspace. Send, receive, and track customer conversations in one place.
Three Pillars of Our
WhatsApp Business Solution
DID Management
Your CallExchange DID number is the backbone of your WhatsApp identity. We manage the full lifecycle — provisioning, porting, and maintenance.
- Global DID inventory (100+ countries)
- Local, toll-free, and mobile number types
- Number porting supported
- Dedicated number per WhatsApp account
- Ongoing number management included
Verification & Meta API Access
As a Meta BSP, we handle the full verification and onboarding process so you receive a production-ready WhatsApp Business API account with no technical friction.
- OTP verification handled by CallExchange
- Meta Business Manager setup
- WhatsApp Cloud API credentials provisioned
- Messaging template submission & approval
- Webhook configuration included
CRM Integration
For CallExchange CRM clients, WhatsApp Business is wired directly into the agent dashboard — enabling seamless omnichannel customer conversations at scale.
- Native WhatsApp inbox in CallExchange CRM
- Inbound & outbound message routing
- Contact history & conversation threads
- Auto-reply and template broadcast tools
- Real-time delivery & read receipt tracking
Your Phone Number Is the Key
WhatsApp Business API requires a real, verifiable phone number. When you buy a DID from CallExchange, we already control that number — which means we can process the verification call or SMS from Meta instantly, making activation seamless.
Buy a DID
Choose your number from our global inventory
Meta Sends OTP
Verification code sent to your DID
CallExchange Verifies
We intercept & submit the OTP to Meta
API Goes Live
Your WhatsApp Business API is active
Start Messaging
Connect to CRM or your own integration
WhatsApp Inside Your
CRM Platform
If you already operate on the CallExchange CRM, adding WhatsApp Business takes less than a day. Your team gets a live messaging inbox, full contact history, and automation tools — no separate app required.
Unified Inbox
Manage WhatsApp conversations alongside voice calls, SMS, and email — all in a single agent workspace with shared contact threads.
Template Broadcasts
Send approved WhatsApp message templates to customer segments directly from CRM campaigns — with delivery and read-receipt tracking.
Auto-Replies & Bots
Set up keyword triggers, welcome messages, and after-hours auto-replies to keep customers engaged around the clock.
Analytics & Reporting
Track open rates, response times, and conversation volumes with WhatsApp metrics built into the existing CallExchange reporting suite.
John Doe · +1 917 259 1038
Hi, I'd like to know more about your calling card plans for my business.
WhatsAppAgent – CallExchange Support
Hello John! We offer prepaid and postpaid plans. Would you like me to send you our rates sheet?
Sent via CRMSara R. · +44 20 7946 0958
Is your WhatsApp number available 24/7 for support?
WhatsApp