# EXPERIMENT_NOT_FOUND

- Surface: API
- HTTP status: 404

## Cause

No Experiment matched the identifier in the request, within the scope your credential can reach.

## Fix

Confirm the Experiment id and that you are addressing the Environment it lives in. Experiment keys are unique per Environment, so the same key in another Environment is a different Experiment.

Source: https://splitch.dev/docs/error/EXPERIMENT_NOT_FOUND