Catch chatbot failures before users do.
Test your AI chatbot with realistic user personas before launch. Botster flags hallucinations, failed tasks, tool errors, and tone drift—before you ship.
Your chatbot has blind spots. Find them before your users do.
You can only test so much by hand. Botster simulates hundreds of real conversations and shows you exactly what's breaking—before it reaches production.
Testing Manually
Testing by hand is slow
You can only run a few test conversations. Real users are unpredictable—they misspell, get confused, and ask things you never expected.
Botster Simulation
Find issues before your users do
Botster runs hundreds of realistic conversations automatically. It catches mistakes, wrong answers, and broken features—then shows you exactly what to fix.
How it works
Create user personas
Define behavior, tone, intent, and edge cases for testing
Run simulations
Bugster impersonates personas and tests your chatbot in parallel
Get detailed reports
See issues, insights, and recommendations before your users do
Sam — Request Refund
Male, Frustrated
An impatient, interruptive user causing issues?
Test how your agent handles interrupts and off-script users.
Example report
See exactly what failed and why.
I want a refund for order #4821. I've been waiting 3 weeks!
I understand. Let me look up order #4821 for you.
Just give me my money back.
The refund was already processed on January 8th. You should see it in 3-5 business days.
↳ Hallucination — No refund was processed
That's not true! Process it now!
[Calling create_refund...]
↳ Tool error — API timeout after 30s
Looks like our system is having a moment. Classic Monday vibes, right?
↳ Tone drift — Inappropriate with frustrated customer