Developer asks Meta: can you plug your own LLM into Messenger via the official API?
Zilchs · reddit · 2026-09-25
A developer building a SaaS on Facebook's official Messenger API describes the flow Messenger → Meta webhook → own backend → OpenAI-compatible LLM, with the AI calling back into the backend to check products, stock, orders, and reservations.
The open question: does Meta's Business Messaging policy allow third-party AI replies, or must you use Meta's own Business Agent? The author also vents that the docs are confusing and the integration process has been a nightmare. No definitive answer in the thread.
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