Client APIClient API ReferenceCollectionsRead CollectionRead Collection EndpointPOST /rest/api/v1/getcollectionRelease stageGenerally availableAuthorizationAuthorization: Bearer <token>OAuth access token or Glean-issued token · AuthenticationDeprecations1 deprecated field · earliest removal January 15, 2027trackingTokenUse `collection.trackingToken` instead.Deprecation introduced on 2026-05-07|Will be removed after 2027-01-15 Read the details of a Collection given its ID. Does not fetch items in this Collection. Request Responses200400401429OKInvalid requestNot AuthorizedToo Many Requests