VAPI - Call Assistant

Demo to preview the plugin:

Introduction

The VAPI Call Assistant Plugin brings powerful voice capabilities directly into your Bubble app.
It allows you to easily integrate voice assistance, automate phone calls, and enhance customer support — all without the need for complicated configuration.
Perfect for businesses aiming to offer seamless, real-time, interactive communication experiences to users within their applications.
Key Features

Prerequisites

Before using the VAPI Call Assistant Plugin, make sure you have:
  • Bubble.io Account
    • (and a working Bubble app where you want to integrate voice communication.)
  • VAPI API Key
    • (You’ll need to input these into the plugin settings in Bubble.)
  • Basic Bubble Workflow Knowledge
    • (Familiarity with setting up actions and workflows in Bubble.)

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How to setup

Step 1: Installation

Step 2: Place the Element

Step 3: Create Your VAPI Assistant

Step 4: Gather API Details

Step 5: Set Up the Plugin in Bubble

Plugin Element Properties

VAPI Assistant

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General Settings:
Title
Description
Type
Assistant ID
The unique ID of your VAPI assistant. Required to trigger assistant-specific behavior.
Text
Squad ID
Optional. If you manage a group of assistants (a "squad"), use this ID instead.
Text
Position
Sets the location of the button. Options: bottom, top, left, right, top-right, top-left, bottom-left, bottom-right. Default: bottom-right
Dropdown
Offset
Margin (in pixels) from the chosen position. Default: 40
Number
Size
Pixel size of the button. Default: 50
Number
VAPI Button Config
Customize the appearance of the default button for different states (Idle, Loading, Active).
Grouped Settings

Button States Configuration

IDLE State

Displayed when no interaction is occurring.
Title
Description
Type
Color
Button color in idle state. Default: #5DFECA
Color
Type
Shape of the button. Options: pill, round. Default: pill
Dropdown
Title
Main text displayed on the button. Required if type is pill.
Text
Subtitle
Secondary text displayed below the title. Required if type is pill.
Text
Icon
Icon displayed on the button. Default: https://unpkg.com/lucide-static@0.321.0/icons/phone.svg
Text

LOADING State

When the assistant is connecting.
Title
Description
Type
Color
Button color. Default: #5D7CCA
Color
Type
Button shape. Default: pill
Dropdown
Title
Main label during loading.
Text
Subtitle
Secondary label (optional).
Text
Icon
Default: https://unpkg.com/lucide-static@0.321.0/icons/loader-2.svg
Text

ACTIVE State

When a call is in progress.
Title
Description
Type
Color
Button color. Default: #FF0000
Color
Type
Shape of the button. Default: pill
Dropdown
Title
Active state label.
Text
Subtitle
Additional call status info.
Text
Icon
Default: https://unpkg.com/lucide-static@0.321.0/icons/phone-off.svg
Text

Exposed States

Title
Description
Type
Message
A response message from assistant
Text

Element Events

Title
Description
Speech Start
Triggers when the assistant starts listening or speaking. On first use, the browser may ask for microphone access.
Speech End
Triggers when the assistant stops the session or the mic is no longer in use.
Call Start
Triggers when a voice call with the assistant begins. Useful for showing call UI or starting timers.
Call End
Triggers when the call finishes. You can use this to reset UI elements or log the session.
Message
Triggers each time a new message is sent or received. Use this to display the conversation in your app.
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Changelogs