Connect Your Existing WhatsApp Business App Number to API Without Deleting It
With WhatsApp Coexistence, your business can keep using the same WhatsApp Business App number while connecting it to WhatsApp API through Sendwo. Use the app for personal customer chats and use the API for automation, broadcasts, chatbots, ecommerce updates, and team workflows.












Earlier, businesses feared API migration because it felt like losing their WhatsApp identity
Coexistence removes one of the biggest blockers for WhatsApp API adoption: deleting the existing WhatsApp Business App number.
Before Coexistence
- Businesses were afraid to delete their WhatsApp Business App account.
- Teams worried about losing customer recognition attached to the same number.
- Owners continued manual chats but missed automation, broadcasts, and integrations.
- Some businesses used a new API number, creating confusion for customers.
With Sendwo Coexistence
- Keep your existing WhatsApp Business App number active.
- Connect the same number to WhatsApp API using the supported coexistence path.
- Use Sendwo for broadcasts, chatbots, flows, ecommerce automation, and reports.
- Keep human conversations and scalable automation working side by side.
Your WhatsApp Business App stays familiar. Sendwo adds scale, automation, and API power.
Coexistence is perfect for businesses that already depend on their WhatsApp number but now want to grow beyond manual conversations.
Connect to WhatsApp API
Use the same business number for API-powered messaging, templates, automation, integrations, and scalable customer workflows.
Explore WhatsApp Business API →Run WhatsApp broadcasts
Send targeted WhatsApp campaigns using labels, segments, templates, custom fields, and campaign scheduling.
View WhatsApp Marketing →Add chatbot and AI replies
Use AI agents, bot replies, input flows, templates, and human handoff to automate repetitive customer conversations.
See Sendwo AI Chatbot →How WhatsApp Coexistence works with Sendwo
The exact eligibility can depend on Meta account, country, number status, and setup flow. Sendwo’s paid-plan support team can help you check and complete the process.
Check number
Confirm that your existing number is currently active on WhatsApp Business App.
Check eligibility
Review whether your number and business account are eligible for Coexistence setup.
Connect API
Use the supported onboarding path to connect the number with WhatsApp API.
Configure Sendwo
Set up broadcasts, templates, chatbot, flows, inbox, labels, and automation.
Go live
Use your app for personal chats and Sendwo for scalable WhatsApp growth.
Keep manual conversations while adding automation on top
Coexistence is valuable because the WhatsApp Business App remains useful for personal customer handling, while Sendwo gives your team API-level scale.
Continue using WhatsApp Business App
- Keep the familiar app experience
- Continue personal customer replies
- Use your existing business number
- Maintain customer recognition
- Avoid forcing customers to save a new API number
- Reduce friction during API adoption
Add Sendwo API capabilities
- WhatsApp broadcast campaigns
- Approved message templates
- AI chatbot and bot replies
- Shared inbox and team handling
- Labels, segmentation, and contact management
- Campaign analytics and reporting
Automate customer journeys
- Drip campaigns
- Lead nurturing workflows
- WhatsApp forms and input flows
- Appointment reminders
- Click-to-WhatsApp ad journeys
- Webhook and API workflows
Connect business systems
- Shopify and WooCommerce automation
- Abandoned cart recovery
- Order notification workflows
- Google Sheets integration
- HTTP API and webhooks
- CRM and custom app connection
Who should use WhatsApp Coexistence?
This page should speak strongly to businesses that already use the WhatsApp Business App number daily but now need automation and API-level scale.
Local businesses
Keep the same number customers already know, while adding broadcasts, reminders, catalog sharing, and inquiry automation.
Ecommerce stores
Use the app for manual customer help and Sendwo API for abandoned cart recovery, order updates, and product campaigns.
Clinics and service businesses
Continue personal patient or customer communication while automating appointments, reminders, FAQs, and follow-ups.
Education and coaching
Use the same WhatsApp number for student inquiries while automating demo class reminders, lead nurturing, and admission follow-ups.
Agencies
Help clients adopt WhatsApp API without forcing them to abandon the Business App number they already use.
Growing sales teams
Keep founder or team app conversations while adding multi-agent inbox, labels, automation, and campaign reporting.
Important setup note
WhatsApp Coexistence setup can depend on Meta eligibility, number status, country availability, app/account condition, and onboarding flow. Sendwo supports Coexistence assistance for paid monthly and yearly users. Free plan users can still create an account and explore Sendwo, but hands-on Coexistence setup support is handled through paid-plan support.
Choose the setup path that protects your WhatsApp business identity
For many businesses, the existing WhatsApp number is already printed on websites, packaging, ads, invoices, Google Business Profile, and customer phones.
| Capability | Old API migration fear | Sendwo Coexistence positioning |
|---|---|---|
| Existing WhatsApp Business App number | Businesses feared deleting or replacing it | Keep the number and connect API where eligible |
| Customer recognition | Risk of confusing customers with a new number | Continue using the number customers already know |
| Manual conversations | App usage and API adoption felt separate | Use app conversations and API automation together |
| Broadcasts and automation | Limited inside only the Business App | Use Sendwo campaigns, templates, chatbot, flows, and analytics |
| Team scale | Hard to manage high-volume chats manually | Use shared inbox, assigned agents, labels, and follow-ups |
| Ecommerce and integrations | Manual or limited | Connect Shopify, WooCommerce, API, webhooks, and Google Sheets |
Keep your WhatsApp Business number. Add API power with Sendwo.
Use WhatsApp Coexistence to protect your existing business number while unlocking broadcasts, templates, AI chatbot, shared inbox, ecommerce automation, and campaign analytics.
Coexistence becomes powerful when connected with the full Sendwo platform
Explore connected pages for WhatsApp API, marketing, automation, ecommerce, chatbots, inbox, analytics, and support.
Frequently asked questions about WhatsApp Coexistence
Clear answers for businesses that want to connect their WhatsApp Business App number to WhatsApp API without deleting the number first.
