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latestOpenAPI 3.1.02026-08-139731,1391.8 MB
experiment

List Experiments

Retrieve all experiments for a project.

get/projects/{project_id}/experiments

Path parameters

project_idstring uuid4 required

Query parameters

include_countsboolean

Response

Successful Response

idstring uuid4 required

Galileo ID of the experiment

created_atstring date-time

Timestamp of the experiment's creation

updated_atstring date-time nullable

Timestamp of the trace or span's last update

namestring

Name of the experiment

project_idstring uuid4 required

Galileo ID of the project associated with this experiment

created_bystring uuid4 nullable
num_spansinteger nullable
num_tracesinteger nullable
num_sessionsinteger nullable
task_type13 | 15 | 16 | 17 | 18 required

Valid task types for modeling.

We store these as ints instead of strings because we will be looking this up in the database frequently.

aggregate_metricsobject
structured_aggregate_metricsobject nullable

Structured aggregate metrics with full statistical aggregates (avg, min, max, sum, count). Keys are scorer UUIDs for scorer-backed metrics (matching available_columns column IDs after stripping the 'metrics/' prefix) and raw strings for system metrics (e.g. 'duration_ns', 'cost'). Present only when use_clickhouse_run_aggregates flag is enabled.

aggregate_feedbackobject

Aggregate feedback information related to the experiment (traces only)

rating_aggregatesobject

Annotation aggregates keyed by template ID and root type

ranking_scorenumber nullable
rankinteger nullable
winnerboolean nullable
playground_idstring uuid4 nullable
prompt_modelstring nullable
tagsobject
experiment_group_idstring uuid4 nullable
experiment_group_namestring nullable
experiment_group_is_systemboolean nullable