[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Buckets: listChannels\n\n| **Note:** This method applies to the [Object Change Notification](/storage/docs/object-change-notification) feature, which is not the recommended way to create notifications for Cloud Storage. Instead, use [Pub/Sub Notifications for Cloud Storage](/storage/docs/pubsub-notifications), which are faster, more flexible, easier to set up, and more cost-effective.\n\nRetrieves a list of active Object Change Notification channels for a bucket, ordered in the\nlist lexicographically by name.\n\nRequired permissions\n--------------------\n\nThe authenticated user must have the `storage.buckets.get` IAM\npermission to use this method.\n\nRequest\n-------\n\n### HTTP request\n\n```\nGET https://storage.googleapis.com/storage/v1/b/bucket/channels\n```\n\nIn addition to [standard query parameters](/storage/docs/json_api/v1/parameters#query),\nthe following query parameters apply to this method:\n\n### Parameters\n\n### Request body\n\nDo not supply a request body with this method.\n\nResponse\n--------\n\nIf successful, this method returns a response body with the following structure:\n\n```json\n{\n \"kind\": \"storage#channels\",\n \"items\": [\n channel information\n ]\n}\n```\n\nFor information about status and error codes returned by this API, see the\n[reference page](/storage/docs/json_api/v1/status-codes)."]]