GET
/v1/namespacesREADList collections
Returns every collection in the authenticated project, including its dimension, metric, index, and record count.
Returns an empty list for a brand-new project — there is no implicit "default" collection.
Response fields
collectionsarrayoptionalOne entry per collection in the project.
collections[].namestringoptionalThe collection's name, as given to Create a collection.
collections[].dimensionintegeroptionalThe vector dimension this collection was created with.
collections[].metricstringoptionalThe distance metric this collection was created with. squared_l2 today.
collections[].indexstringoptionalThe index algorithm currently serving this collection: brute, hnsw, ivf, or bq.
collections[].record_countintegeroptionalLive record count.