ConfigSpace
JSON →ConfigSpace is a Python library designed to manage configuration spaces for automated algorithm configuration and hyperparameter optimization tasks. It provides a straightforward API for defining hyperparameters, their ranges, conditional dependencies, and forbidden clauses. ConfigSpace is frequently used in AutoML tools such as SMAC3, BOHB, and auto-sklearn. The current stable version is 1.2.2, released on December 19, 2025, and it maintains an active release cadence.
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Resources
API endpoints
full doc /v1/registry/configspace
install /v1/registry/configspace/install
compatibility /v1/registry/configspace/compatibility