See for yourself: safe, rigorous, and scalable
PBX does not replace your expertise, it amplifies it.
Use the free trial to confirm that tests are reliable, governed, and aligned with your program goals. Move from gatekeeper to conductor while teams ship more without losing quality.


Raise the ceiling for your program
Give every team a faster path to valid experiments with controls you trust.
Create on-brand variants with prompts, inside guardrails you set
Use preflight checks for KPIs, targeting, and sample size before launch
Rely on safe defaults that prevent common statistical mistakes
Why PBX stands out for experimentation leaders
Optimize with confidence on live traffic.
Target by segment and journey to protect core funnels
Traffic allocation, holdouts, and staged rollouts with fast rollback
Promote winners and scale across pages, segments, and environments

"With Prompt- based Experimentation we went from running a few experiments per quarter to launching ideas in real time"

FAQ Component
Yes. Like vibe coding for instant prototyping, PBX lets you create and test new on-site experiences by chatting with AI, directly on your live site.
No. PBX focuses on frontend experience optimization. It complements feature flagging, server-side tests, and mobile experimentation.
Yes, when you set it up with good practice. Define solid KPIs, use correct traffic splits and targeting, and rely on robust methods to make confident calls.
No. PBX reduces day-to-day developer work for each test, but dev partners remain key for quality, scale, and integrations