I’m currently looking for a WhatsApp BSP that supports WhatsApp Business App + API Coexistence on the same number.
Our technical setup is already ready. We have our own backend, webhook handling, automation logic, and frontend, so we don’t need the usual extras many BSPs bundle into their plans.
What we actually need
1 WhatsApp Business number
Official WhatsApp Business API access
Coexistence support
Webhook access
Ability to keep using the WhatsApp Business App manually
Minimal monthly platform/BSP fee
What we don’t need
Shared team inbox
CRM
Chatbot builder
Marketing dashboard
Workflow builder
Multi-number management
The challenge is that many BSPs charge for a complete communication platform even when the requirement is only the API connection.
For a custom software team, that can make the integration unnecessarily expensive.
Ideally, I’m looking for an API-first BSP in the $10–$25/month range for a single number.
If you’ve implemented WhatsApp Coexistence with your own backend, I’d be interested to know:
Which BSP did you use?
What is the actual monthly cost?
Does Coexistence work reliably?
Are there any hidden platform or setup fees?
How was the onboarding experience?
Would appreciate recommendations from developers who are already running a similar setup in production.
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