Use WhatsApp Business App and API on the Same Number
Already chatting on WhatsApp Business? Connect your existing number to CampaignHQ. Keep replying from your phone, sync conversation history, and add broadcasts, chatbots, and a shared team inbox, powered by Meta's official coexistence.
Priya K. · online
Can I pick up my order today?
Yes, we can hold it till 5pm!
4:12 PM ✓✓
Priya K.
Can I pick up my order today?
Conversation timeline
- Customer
Priya K.
Can I pick up my order today?
- Business app
You
Yes, we can hold it till 5pm!
- CampaignHQ
Riya (agent)
Pickup slot confirmed 🎉
Chat history synced
Contacts + 6 months of chats imported
What is WhatsApp coexistence?
WhatsApp coexistence is a Meta-supported mode that lets your business use the WhatsApp Business app on a phone and the WhatsApp Cloud API on a platform like CampaignHQ at the same time, on one phone number. Messages and contacts stay in sync across both surfaces.
Before coexistence, moving to the API meant giving up the mobile app. Now you can scale with broadcasts, automation, and multi-agent support while owners and field teams keep replying from the Business app they already use.
Same number
Connect your existing WhatsApp Business app number, no new SIM required.
Synced history
Chat history syncs between the Business app and CampaignHQ (up to Meta's limits).
Parallel replies
Reply from your phone or from the CampaignHQ team inbox. Customers see one thread.
Forced migration vs WhatsApp coexistence
Teams used to choose between the Business app and the API. Meta coexistence lets you keep the app and add CampaignHQ on the same verified number.
The old trade-off
API or app, not both
- Moving to API meant losing the mobile Business app
- Chat history and context were hard to preserve
- Owners had to stop replying from their phone
- Teams delayed API adoption because of the disruption
CampaignHQ + coexistence
Phone and platform in parallel
- Keep the WhatsApp Business app on your phone
- Sync contacts and chat history during onboarding
- Run broadcasts, bots, and team inbox on the API
- See app-sent replies in the CampaignHQ inbox timeline
- Keep your number
- Sync chat history
- Reply from phone
- Team inbox
- Broadcasts & bots
- Official Meta API
From zero to live
Connect your existing Business app number in four steps
No developers required. Connect your channels, configure in CampaignHQ, and go live with measurable customer journeys.
Start embedded signup
Open WhatsApp connection in CampaignHQ and begin Meta's official embedded signup flow.
Choose existing Business app
Select "Connect your existing WhatsApp Business app" — not migrate-only.
Scan QR in Business app
Scan the QR code from WhatsApp Business app 2.24.17+ and authorize the link.
Sync history and go live
Sync contacts and chat history, then start broadcasts, bots, and team inbox.
Phone + dashboard
One thread across phone and inbox
When you reply from the WhatsApp Business app, CampaignHQ receives the message echo and shows it on the contact timeline. Your team always sees the full conversation, app replies included.
- App-sent messages appear in the shared team inbox
- Agents see context before they take over a chat
- No duplicate threads or lost handoffs
- Works alongside CampaignHQ mobile app for agents
Priya K.
+91 98765 43210 · one thread
Priya K.
Customer4:10 PMCan I pick up my order today?
Owner
Business app4:12 PMYes, we can hold it till 5pm!
Echoed into CampaignHQ automatically
Riya
CampaignHQ4:15 PMAdded a pickup note to your order.
- One contact record
- Agent sees app replies
- Clean handoff
Riya took over
Owner busy · full context carried
Scale without switching
Add API power while keeping the app
Run promotional broadcasts, chatbot flows, and automations on the Cloud API while store owners and field reps continue 1:1 replies from the Business app.
- Broadcasts and templates on the API layer
- Chatbots and journeys for high-volume intents
- Multi-agent routing when volume grows
- Cross-channel email and SMS journeys on the same contacts
- Live
Weekend broadcast
12,430 sent
- Live
Cart recovery bot
Running
- Live
Agent routing
4 agents
1:1 replies continue
“Yes, we can hold it till 5pm!”
12.4K
Broadcast
840
App replies
Both layers, one number, no migration.
Teams that start with coexistence
Store owner + support team
Owner replies from the shop phone; support handles queues on CampaignHQ.
“Can I pick up my order today after 5pm?”
Field sales + marketing
Reps chat from the app; marketing runs broadcast campaigns on the same number.
“Send me the brochure for the 3BHK listing.”
Boutique + automations
Personal replies stay on the app; order updates and cart recovery run on the API.
“Do you have this in size M?”
Frequently asked questions
Common questions about whatsapp coexistence on CampaignHQ.
Still have questions?
Yes. With Meta's WhatsApp coexistence, CampaignHQ connects your existing WhatsApp Business app number to the Cloud API. You keep the app on your phone and add broadcasts, chatbots, and a team inbox on CampaignHQ: same number, synced history.
No. Coexistence is designed for numbers already active on the WhatsApp Business app. You connect that same number during CampaignHQ onboarding via Meta's embedded signup. You do not need a new SIM or a separate API-only number.
No. During coexistence onboarding, Meta lets you sync contacts and chat history (typically up to the last six months, per Meta's flow). Existing conversations carry over so your team does not start from zero.
Yes. That is the core benefit of coexistence. You can reply 1:1 from the WhatsApp Business app while your team uses CampaignHQ for shared inbox, broadcasts, and automation on the same number.
Coexistence requires an existing WhatsApp Business app account, not a personal WhatsApp number. If you use personal WhatsApp today, convert to a Business account in the app first, then connect through CampaignHQ.
Coexistence numbers have a fixed throughput of 20 messages per second. Some Business app features are limited while linked (for example, broadcast lists may become read-only). You need WhatsApp Business app version 2.24.17 or higher, and Meta recommends opening the app periodically to keep the link active. Regional availability follows Meta's rollout. Confirm during onboarding.
Pricing
WhatsApp + email plans that scale with your volume
Combo plans include your platform, contacts, and email sending credits. WhatsApp message usage is billed separately based on how much you send. Compare WhatsApp and combo tiers.
More WhatsApp capabilities
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ExploreTemplate Management
Template manager
Build templates, track Meta approval, and deploy in campaigns and automations.
ExploreShared Team Inbox
Team inbox
One WhatsApp number for your whole team with shared history and faster handoffs.
Explore
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