Free to Start · No API Key Required

Turn Visitors Into
Customers With AI Chat

Embed a smart chatbot in minutes. It answers questions from your knowledge base, captures leads, and hands off to you when needed β€” 24/7, automatically.

Trusted by 1 businesses · 233 chats handled

AI
Support Bot
Online β€” replies instantly
Hi there! πŸ‘‹ How can I help you today?
What are your business hours?
We're open Mon–Fri 9am–6pm EST πŸ•˜ Anything else?
Works without
API Key
Live on
2,400+ sites
⭐
Customer rating
4.9 / 5.0
πŸ“Š
Chats this week
233
Core Features

Everything You Need to Automate Support

Set up once, run forever. Your AI agent learns from your content and gets smarter over time.

Knowledge Base AI

Upload Q&A pairs. The bot uses full-text search to find the best answer from your content automatically.

5-Minute Setup

Paste one line of JavaScript. No plugins, no frameworks, no complex integrations required.

Lead Capture

When the bot can't answer, it smoothly presents your contact form β€” no visitor lost.

Analytics Dashboard

Track sessions, resolution rates, satisfaction scores, and top questions in one place.

Fully Customizable

Custom colors, welcome messages, avatar, and widget position to match your brand perfectly.

Secure by Default

CORS domain locking, rate limiting, CSRF protection, and JWT-secured APIs out of the box.

How It Works

Up and Running in 3 Steps

1

Add Your Website

Add your website and upload your knowledge base β€” FAQs, product info, policies, anything.

2

Customize & Embed

Set your brand colors, bot name, and welcome message. Copy one script tag.

3

Watch It Work

Visitors get instant answers 24/7. You get leads and can review every conversation.

Flexible Intelligence

Works Your Way β€” No API Key Needed

Start answering customer questions immediately, for free. Upgrade to OpenAI when you want richer, more conversational responses.

FREE

Knowledge Base Mode

Your chatbot answers from Q&A pairs you define. Zero API costs, always accurate, fully private β€” your content, your rules.

  • No OpenAI account required
  • Zero per-message costs
  • Instant, keyword-matched replies
  • Full control over every answer
  • Works on Free plan
PRO

OpenAI GPT Mode

Connect your own OpenAI API key (or use our shared key on Pro+) for natural, conversational replies powered by GPT-4o-mini or GPT-4o.

  • Use your own or our shared key
  • GPT-4o-mini, GPT-4o, and more
  • Natural free-form conversations
  • Combined with KB for best accuracy
  • Custom system prompt & persona

Start on Free with Knowledge Base mode → upgrade and add your OpenAI key whenever you're ready.

🎀 Whisper STT
πŸ”Š OpenAI TTS
🌐 24 Languages
AI Voice Widget

Let Visitors Speak Their Questions

A standalone floating mic button lets visitors speak instead of type. The AI transcribes, processes, and responds aloud β€” a truly hands-free support experience.

Browser Web Speech
Free, zero cost, works instantly β€” uses the browser's built-in speech recognition.
OpenAI Whisper + TTS
Premium quality: Whisper for transcription, TTS-1 for lifelike AI voice responses.
24+ Languages
Set any BCP-47 language code β€” the widget speaks and listens in your visitors' language.
Pro Plan Feature
Voice widget is available on Pro and Enterprise plans.

Simple, Transparent Pricing

Start free. Upgrade when you're ready.

Free
Free
  • Up to 1 website
  • 50 knowledge base entries
  • 0 sessions / month
Get Started Free
Enterprise
$ 99 /mo
  • Up to 25 websites
  • 5,000 knowledge base entries
  • 0 sessions / month
Start Trial

See It in Action

Watch how easy it is to set up your AI chat widget and go live in minutes.

Click to watch the walkthrough

1
Create your account

Sign up free β€” no credit card needed.

2
Add your knowledge base

Upload Q&A pairs or paste your FAQ content.

3
Copy & paste one line of code

Your AI assistant is live instantly on any site.

Start Free Now β†’

Loved by Businesses Like Yours

See what our customers have to say about ChatSaaS AI.

β˜…β˜…β˜…β˜…β˜…

"We set it up in under 10 minutes and it was already answering customer questions that same day. The knowledge base feature is a game changer."

SM
Sarah M.
Owner, Boutique E-commerce Store
β˜…β˜…β˜…β˜…β˜…

"Our support volume dropped by 40% in the first month. The AI handles all the repetitive questions, so my team focuses on real problems."

JR
James R.
Head of Support, SaaS Company
β˜…β˜…β˜…β˜…β˜…

"I was skeptical at first, but the chat widget blends perfectly with our site design and visitors genuinely can't tell it's a bot at first."

PK
Priya K.
Founder, Digital Agency
β˜…β˜…β˜…β˜…β˜…

"The lead capture fallback alone has paid for the subscription 10x over. When the bot can't answer, it grabs contact details automatically."

TW
Tom W.
Marketing Director, Real Estate Firm
β˜…β˜…β˜…β˜…β˜…

"Pricing is fair, setup is dead simple, and the analytics give me exactly what I need to see which questions come up most often."

AT
Aiko T.
Operations Manager, Consulting Firm
β˜…β˜…β˜…β˜…β˜…

"Finally an AI chat tool that doesn't require a developer to set up. I did it myself in an afternoon and it works perfectly."

CD
Carlos D.
Solo Entrepreneur
Read More Reviews

Frequently Asked Questions

Everything you need to know before getting started.

Not at all. You simply copy one line of JavaScript and paste it into your website's HTML β€” just before the closing tag. That's it.
By default we use OpenAI's GPT-4o-mini which is fast, accurate, and cost-effective. You can switch to GPT-4o or other models in your AI settings. You can also supply your own OpenAI API key.
It's a collection of question-and-answer pairs that you write. When a visitor asks something, the AI searches your knowledge base for the closest match and uses it to craft a response.
The widget smoothly presents your contact form so the visitor can leave their details. You get notified by email and can follow up directly. No visitor is ever left hanging.
Yes β€” you control the colors, position (bottom-left or bottom-right), welcome message, bot name, and avatar image. The widget fully inherits your brand identity.
Yes! The Free plan includes everything you need to get started: one website, knowledge base entries, and a generous number of monthly sessions. No credit card required.
View All FAQs

Ready to Automate Your Customer Support?

Join businesses using ChatSaaS AI to answer questions and capture leads automatically.

Create Free Account