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RAG & Knowledge Basesfree

Facebook Messenger AI Chatbot with Pinecone RAG

by Tristan VUpdated Aug 2026
RequiresOpenAI
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WeFacebook Verification WebhookFacebook Verifi…WeFacebook Message WebhookFacebook Messag…IfIs Token Valid?RTRespond with ChallengeRespond with Ch…RTRespond ForbiddenRespond Forbidd…RTAcknowledge EventAcknowledge Eve…IfFilter Valid MessagesFilter Valid Me…CoStore Message for BatchingStore Message f…HRSend Seen IndicatorSend Seen Indic…WaWait 3 SecondsCoRetrieve Batched MessagesRetrieve Batche…IfHas Messages to Process?Has Messages to…HRSend Typing IndicatorSend Typing Ind…MBConversation MemoryConversation Me…OpenAI Chat ModelOpenAI Chat Mod…CoFormat ResponseHRSend Response to UserSend Response t…SeSuccessPAGet context snippets in Pinecone AssistantGet context sni…AgAI Agent1123
1/5
FLOWS
STEPS · 3
Starts on an incoming request

On a Facebook Messenger webhook, runs an OpenAI agent with Pinecone retrieval and posts the generated reply back to the user.

Tags

webhookcomplexOpenAISupport ChatbotAI RAGdiscoveredpending-review
Connects
OpenAI
CategoryRAG & Knowledge Bases
Triggerwebhook
Complexitycomplex
Nodes20
AddedJun 27, 2026