Required. The name of the parent resource. For the required format, see the comment on the Instance.name field. Additionally, you can perform an aggregated list operation by specifying a value with one of the following formats: * projects/{project}/locations/-/clusters/- * projects/{project}/locations/{region}/clusters/-
Authorization requires the followingIAMpermission on the specified resourceparent:
alloydb.instances.list
Query parameters
Parameters
pageSize
integer
Optional. Requested page size. Server may return fewer items than requested. If unspecified, server will pick an appropriate default.
pageToken
string
A token identifying a page of results the server should return.
filter
string
Optional. Filtering results
orderBy
string
Optional. Hint for how to order the results
Request body
The request body must be empty.
Response body
Message for response to listing Instances
If successful, the response body contains data with the following structure:
[[["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 2025-07-15 UTC."],[[["\u003cp\u003eThis endpoint allows users to list instances within a specified project, location, and cluster.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eparent\u003c/code\u003e path parameter is mandatory and defines the scope of the listing operation, which can be a specific cluster or a set of clusters across locations.\u003c/p\u003e\n"],["\u003cp\u003eThe response includes a list of \u003ccode\u003einstances\u003c/code\u003e, a \u003ccode\u003enextPageToken\u003c/code\u003e for pagination, and an \u003ccode\u003eunreachable\u003c/code\u003e list indicating any locations that were inaccessible.\u003c/p\u003e\n"],["\u003cp\u003eOptional query parameters such as \u003ccode\u003epageSize\u003c/code\u003e, \u003ccode\u003epageToken\u003c/code\u003e, \u003ccode\u003efilter\u003c/code\u003e, and \u003ccode\u003eorderBy\u003c/code\u003e can be used to refine and customize the results.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization to use this endpoint requires the \u003ccode\u003ealloydb.instances.list\u003c/code\u003e IAM permission and the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.clusters.instances.list\n\nLists Instances in a given project and location.\n\n### HTTP request\n\n`GET https://alloydb.googleapis.com/v1/{parent=projects/*/locations/*/clusters/*}/instances`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n### Query parameters\n\n### Request body\n\nThe request body must be empty.\n\n### Response body\n\nMessage for response to listing Instances\n\nIf successful, the response body contains data with the following structure:\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]