Keep Your WhatsApp Business App AND Scale with WhatsApp Cloud API
The end of the impossible choice. Use both simultaneously. No more trading personal touch for enterprise power.
Same Number
Keep your trusted business number
No Data Loss
Sync 180 days of chat history
Hybrid AI + Human
Scale automation, stay personal
Zero Disruption
Seamless QR-code migration
The Tri-Sync System
Real-time synchronization across three touchpoints
Your Phone
WhatsApp Business App
seasalt.ai dashboard
central hub
field teams
mobile app
Unlimited
synced devices
Unlimited
human users
180 Days
Chat History Sync
The Impossible Choice:
Keep Your Phone App OR Scale with Enterprise Tools?
Until now, you had to sacrifice one for the other.
WhatsApp Business App
The Mobile-Only Trap
✓ What You Get
- Native mobile experience
- Free messaging
✗ The Dealbreaker
Maximum 4 linked devices
5th team member? Not possible.
- Only 4 devices max
- Cannot add agents as you grow
- No automation or CRM
Cloud API
The Desktop-Only Trap
✓ What You Get
- Unlimited agents
- AI automation & CRM
✗ The Dealbreaker
Your phone is locked out
No mobile access whatsoever
- No mobile app on your phone
- Stuck with desktop/dashboard only
Either you stay stuck with limited team capacity,
or you lose the flexibility your business depends on.
Now, Worry No More.
Introducing Meta WhatsApp Coexistence with Seasalt.ai. The only solution that bridges the gap, giving you the scalability of the API without giving up your phone.
Two platforms. One phone number. Zero compromises.
WhatsApp Business App
Mobile Experience
WhatsApp Cloud API
Enterprise Scale
Coexistence
Best of Both Worlds
What is WhatsApp Coexistence?
WhatsApp Coexistence is a revolutionary feature that allows businesses to use both WhatsApp Business App and WhatsApp Cloud API on the same phone number, simultaneously.
✗ Before Coexistence
- • Lose chat history when migrating to API
- • Change phone number or get a new one
- • Choose between personal app or enterprise automation
- • Disrupt customer relationships during transition
✓ After Coexistence
- ✓ Keep same phone number
- ✓ Sync 180 days of chat history
- ✓ Use app and API simultaneously
- ✓ Zero-disruption migration
A Unified Omni-Channel Engine
It's not just about syncing; it's about upgrading your entire customer support infrastructure.
3-Way Synchronization
Messages sync instantly between your Phone, Seasalt Web Dashboard, and Seasalt Mobile App. Send from anywhere, see it everywhere.
Unlimited Agents
Break the 4-device limit. Add 10, 50, or 100 agents to the same WhatsApp number. Assign conversations to human agents or AI bots seamlessly.
AI Agent Handoff
Enable AI Agents to handle off-hours inquiries on the platform, while you monitor results directly on your personal phone.
6-Month History Import
Don't start from scratch. We automatically pull in the last 6 months of chat history so your team has full context immediately.
Seasalt Mobile App
Employees don't need access to your physical phone. They can use Seasalt.ai App on their own devices to reply to customers on the go.
Unified Inbox
Combine WhatsApp with SMS, Messenger, LINE, and Instagram in one single view. Stop tab-switching and start solving.
The Setup Walkthrough
Get Started in Minutes
No coding required. Just scan and sync.
1. Add New Channel
Navigate to Seasalt.ai Workspace. Select "Channels" and choose new "WhatsApp Coexistence" option.
2. Link Meta Account
Log in with your Facebook account. Select your business portfolio. Crucially, choose option "Connect a WhatsApp Business App".
Connect a WhatsApp Business App
3. Scan & Sync
A QR code will appear. Open Linked Devices on your phone and scan it. We instantly begin syncing up to 6 months of chat history.
Scan with your phone
180 days of chat history
Real-World Use Cases
See how businesses across industries transform their customer experience with WhatsApp Coexistence
24/7 Customer Support
Automate mortgage and loan inquiries with AI. Complex cases routed to human agents instantly.
Zero Abandonment Rate
AI handles 80% of repetitive queries. Customers never wait on hold.
Compliance Ready
Full audit trails and archiving for regulatory requirements (GDPR, FINRA).
CASE STUDY: Bankia S.A.
- ✓ 24/7 support achieved
- ✓ Agent idle time reduced by 45%
- ✓ Customer satisfaction: 9.1/10
- ✓ Zero abandonment rate
Results
Transform your industry with WhatsApp Coexistence
Sign Up NowTechnical Architecture
Understand how WhatsApp Coexistence works under the hood
Customer
Messages from any device
WhatsApp Business App
Mobile device
- ✓ Native mobile interface
- ✓ Manual 1:1 conversations
- ✓ Group chats support
- ✓ Voice/video calls
WhatsApp Cloud API
Server-side automation
- ✓ Unlimited agents
- ✓ AI chatbots
- ✓ CRM integration
- ✓ Advanced analytics
Seasalt.ai Platform
Unified inbox & orchestration
Message Mirroring
Real-time sync across all channels
Echo Events
Track manual app replies
Webhook Routing
Intelligent message routing
Inbound Mirroring
Customer → App + API simultaneously
App Echoes
Manual reply → API notification
API Echoes
Bot reply → App notification
20 MPS
Max message throughput for coexistence accounts
24 Hours
Sync window for importing chat history
180 Days
Chat history retention period
E2EE
End-to-end encryption for all messages
✓ Webhook Events
- messages - Incoming customer messages
- smb_message_echoes - Manual app replies
- smb_app_state_sync - Contact updates
- history - 6-month chat import
✓ Security & Compliance
- End-to-End Encryption - All messages protected
- Compliant - Full audit trails
- HIPAA Ready - Healthcare certified
- PCI DSS - Payment card security
Ready to implement WhatsApp Coexistence?
Read Full TutorialCompare WhatsApp Solutions
See how WhatsApp Coexistence stacks up against alternatives
| Feature | Business App | Premium | Cloud API | + |
|---|---|---|---|---|
| Cost | Free | $15-$350/month | Per message | Hybrid model |
| Same Number | ||||
| Chat History | 180 days | |||
| Multi-User | 5 devices | 10 devices | Unlimited | Unlimited |
| Automation | Basic | Basic | Advanced AI | AI + Human |
| Broadcast Limit | 256 contacts | 256 contacts | Unlimited | Unlimited |
| CRM Integration | ||||
| Verification | ||||
| Group Chats | App only | |||
| Analytics | Basic | |||
| Max Throughput | Manual | Manual | 80+ MPS | 20 MPS |
| Migration | N/A | N/A | Disruptive | Seamless |
WhatsApp Business App
WhatsApp Business App Cost: Free
Multi-User: 5 devices
Automation: Basic
Broadcast Limit: 256 contacts
WhatsApp Business Premium
Cost: $15-$350/month
Multi-User: 10 devices
Automation: Basic
Broadcast Limit: 256 contacts
WhatsApp Business API
Cost: Per message
Multi-User: Unlimited
Automation: Advanced AI
Max Throughput: 80+ MPS
WhatsApp Coexistence RECOMMENDED
Cost: Hybrid model
Multi-User: Unlimited
Automation: AI + Human
Max Throughput: 20 MPS
Migration: Seamless, 180 days Chat History Sync
Ready to upgrade to WhatsApp Coexistence?
Sign Up NowResources & Documentation
Everything you need to implement WhatsApp Coexistence
Official Wiki Guide
Complete technical documentation on WhatsApp Coexistence implementation, best practices, and troubleshooting.
Meta Developer Docs
Official Meta documentation for embedded signup, webhooks, and API integration.
Case Studies
Real-world implementations from banking, retail, healthcare, and e-commerce industries.
Frequently Asked Questions
What is WhatsApp Coexistence?
Do I need to change my phone number?
Will I lose my chat history?
How does the pricing work?
What are the technical limitations?
Is it available in all countries?
How long does migration take?
What happens if I stop using it?
Still have questions about WhatsApp Coexistence?
Book A Demo MeetingReady to Transform Your WhatsApp Operations?
Join thousands of businesses using WhatsApp Coexistence to scale while staying personal
Keep Your Number
No changes needed
Zero Disruption
Seamless migration
AI + Human
Hybrid workflows
Save Money
Free app messaging
Join 10,000+ businesses already using Seasalt.ai to transform their customer communications