The official WhatsApp API currently doesn't support Group Chats.
Other platforms supporting WhatsApp Groups use unofficial APIs that often break. We will consider building this feature once it is released officially for WhatsApp API.
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Important Note
:
As of October 2025, Meta has released native Group Chat support through WhatsApp cloud API. However, there's significant restrictions at this time:
  • Group chat support is currently limited to businesses with at least 100,000 monthly business-initiated conversations
  • It is not available for Coexistence users yet
Because of this, once Meta expands eligibility and releases full documentation for all account types, we can consider to move forward.
This is NOT a limitation on respond.io. This is a limitation set by Meta's team to all WhatsApp API accounts.