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GET
Returns every randomizer in a study. A randomizer routes each participant to exactly one arm; an arm shows one question or one question group. Groups owned by an arm also carry that arm’s id as routing_branch_id in the question-groups endpoints.
string
required
The study ID.

Response

An array of randomizers.
string
The randomizer ID.
string
Internal name; never shown to participants.
string | null
The group the randomizer sits in, or null at the top level.
integer
Position among its siblings.
array
In arm order. Each arm has id, label, weight_basis_points, display_order, and exactly one of question_id or question_group_id (both null for an empty placeholder arm).