Flowise AI Voice Agent with Twilio ConversationRelay

A customizable voice agent built using Flowise AI's visual flow builder integrated with Twilio ConversationRelay. Supports flexible agent design through Flowise's no-code interface, with example tools for fitness class scheduling including listing classes, booking, cancelling, and finding upcoming reservations.

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The numbers

latency—

cost / min—

frameworkCustom

The stack

telephonyTwilio Voice

speech-to-textDeepgram Nova-2

llmGPT-4o

text-to-speechDeepgram Aura-2

System prompt

No prompt published.

Config

config.json

{
  "tools": [
    {
      "name": "list_classes",
      "description": "Lists available fitness classes"
    },
    {
      "name": "book_class",
      "description": "Books a fitness class"
    },
    {
      "name": "cancel_class",
      "description": "Cancels a booked class"
    },
    {
      "name": "find_upcoming_classes",
      "description": "Finds upcoming class reservations"
    }
  ],
  "websocket_support": true,
  "deployment_platform": "Fly.io",
  "flowise_integration": true,
  "visual_flow_builder": true
}

Tools

list_classesLists available fitness classes
book_classBooks a fitness class
cancel_classCancels a booked class
find_upcoming_classesFinds upcoming class reservations

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