API covering the [Networking](https://docs.oracle.com/iaas/Content/Network/Concepts/overview.htm), [Compute](https://docs.oracle.com/iaas/Content/Compute/Concepts/computeoverview.htm), and [Block Volume](https://docs.oracle.com/iaas/Content/Block/Concepts/overview.htm) services. Use this API to manage resources such as virtual cloud networks (VCNs), compute instances, and block storage volumes.
| Summary Item | Total | Failed |
|---|---|---|
| Requests | 2 | 0 |
| Prerequest Scripts | 2 | 0 |
| Test Scripts | 2 | 0 |
| Assertions | 0 | 0 |
| Skipped Tests | 0 | - |
Gets information about the specified instance.
| Header Name | Header Value |
|---|---|
| Date | Fri, 06 Feb 2026 00:00:05 GMT |
| Authorization | Signature version="1",keyId="ocid1.tenancy.oc1..aaaaaaaanusu25j7bzljucoz2cb3y2lp2rcrn53owlhwfktljm5o5er3khma/ocid1.user.oc1..aaaaaaaahdrfn6zxtaoqbsbeklxk3hplls5qpjjwnjwbpoe2uucjn6vsk36q/3e:7c:5e:71:88:95:20:57:fb:d5:df:51:8a:57:3a:80",algorithm="rsa-sha256",headers="(request-target) date host",signature="j7sXjCbZxNsOSF3LpX4XdSB3u3da+zPIxeS5rDbmEdARoCmqIXEeMoKI4xUWrOZbL5nk5z8Si3YsHazuvOOXeDbi+XtG4ZZP2W5+ghcYaGImf4eYcRuaT77T4SC7arYTgysJ8PjBTE70bMduS5Fe7UZ4uQ+86y7iMv5u6vTlpl681+U408hgXA2sCb4mizBI9ly/AjOD0WFREQFLdo2V6tiYZraKbt5TsKWyJdOASyQiPbdD9Jk1VWnOf6d8lz1a9yNtiwe/nCmxjFfRlOb6Y0c019FnmmHAq60c15vckojUyato1i6zu+ClRRK4LRMFIfvSZuqNHqZICl9yxYoQ5w==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | 51f31d9d-c9d5-452e-9dc3-1c395e39ad09 |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Fri, 06 Feb 2026 00:00:06 GMT |
| opc-request-id | oci-40E2CEEFF41AF98-202602060000/C23D38DE1F1A6A8D062F856943574C74/D31508C9E772AA4ECC1D9C3BEE607435 |
| Content-Type | application/json |
| Strict-Transport-Security | max-age=31536000; includeSubDomains; |
| Content-Length | 111 |
{
"code" : "NotAuthorizedOrNotFound",
"message" : "Authorization failed or requested resource not found."
}Lists the instances in the specified compartment and the specified availability domain. You can filter the results by specifying an instance name (the list will include all the identically-named instances in the compartment).
| Header Name | Header Value |
|---|---|
| Date | Fri, 06 Feb 2026 00:00:06 GMT |
| Authorization | Signature version="1",keyId="ocid1.tenancy.oc1..aaaaaaaanusu25j7bzljucoz2cb3y2lp2rcrn53owlhwfktljm5o5er3khma/ocid1.user.oc1..aaaaaaaahdrfn6zxtaoqbsbeklxk3hplls5qpjjwnjwbpoe2uucjn6vsk36q/3e:7c:5e:71:88:95:20:57:fb:d5:df:51:8a:57:3a:80",algorithm="rsa-sha256",headers="(request-target) date host",signature="ZMFfnebBL4Uq+E0hs0PFEqGh6WkJCGcnmsFghGwcfSQoPak9dzRcW4iuYAa+TyX1JKfCj2aunash+PgilqAx50PdCndD1/8PUDFE7YbT5fixy6MkrP+PSdbdpyAwsLrZ3iok3JnhDrxxyDyuZwn5q41Nr1D+PtQ0QtGGFXV1y3XhgNW+xG/QIprbO74DFyxMFYxIZLViLBkdLipdAsRzCsINfZI6ePNRy5MBDrctZikUp0jgkD824Z7Js673mYdTnWQIkjBhhwsLfxUUEKvGOomch5DgtCQ9pDsBkF2a/T4iCI73rkeqyrFAo5BwWSW0xTwoWV7FVYIP2YbvocCVdA==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | 0bf56630-8ba1-41a0-b3df-31cd077c282b |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Fri, 06 Feb 2026 00:00:06 GMT |
| opc-request-id | oci-6172D1112FFE044-202602060000/10E253151F094D79062F856943574CB9/D9708A5907DF4D8D66268355D8CB8326 |
| Content-Type | application/json |
| Content-Encoding | gzip |
| X-Content-Type-Options | nosniff |
| Strict-Transport-Security | max-age=31536000; includeSubDomains; |
| Content-Length | 1588 |
[{"availabilityDomain":"hqhH:UK-CARDIFF-1-AD-1","capacityReservationId":null,"compartmentId":"ocid1.tenancy.oc1..aaaaaaaanusu25j7bzljucoz2cb3y2lp2rcrn53owlhwfktljm5o5er3khma","placementConstraintDetails":null,"isAIEnterpriseEnabled":null,"clusterPlacementGroupId":null,"dedicatedVmHostId":null,"definedTags":{"Oracle-Tags":{"CreatedBy":"ashwineu@gmail.com","CreatedOn":"2021-08-29T12:44:59.340Z"}},"securityAttributes":{},"securityAttributesState":"STABLE","displayName":"cardiff","extendedMetadata":{},"faultDomain":"FAULT-DOMAIN-2","freeformTags":{},"id":"ocid1.instance.oc1.uk-cardiff-1.anrxoljrjij4pfacn3yyqfnxifkd7cencbufumr4y4vyvbfwnvzbnk7sz7ra","imageId":"ocid1.image.oc1.uk-cardiff-1.aaaaaaaalpwv22426kwjuvwrnxkeetthg3entn4g7hrjnm6qftqsf4rncwmq","ipxeScript":null,"launchMode":"PARAVIRTUALIZED","launchOptions":{"bootVolumeType":"PARAVIRTUALIZED","firmware":"UEFI_64","networkType":"PARAVIRTUALIZED","remoteDataVolumeType":"PARAVIRTUALIZED","isPvEncryptionInTransitEnabled":false,"isEncryptionInTransitEnabled":null,"isConsistentVolumeNamingEnabled":true},"instanceOptions":{"areLegacyImdsEndpointsDisabled":false},"availabilityConfig":{"isLiveMigrationPreferred":null,"recoveryAction":"RESTORE_INSTANCE"},"preemptibleInstanceConfig":null,"lifecycleState":"RUNNING","metadata":{"ssh_authorized_keys":"ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEA13FtKyUM+ymTM/s4FncJ3J0BaxtekCcxAU9iq4jrDNvO9+uQEVUKnrLcmoksKskTPOvSMsKg7Cq75+QM/xDV2uO/CWujuBS8V5PpjxpdfAMY22rnOhbDUjinBBD8Wsx0W3npJQ2UJo/hMq5OtWV5mQGkSIQsTDcZvq+EhuDCFroVeDRzbCAk0lxcCiguga7ro64ciXeFvAMtJ+NTTKY1MP2lJZ/+Ij6DUnrR4q7DQ+qivGBvExsHLtnS0Vu6iwvxTNjrkjvAP95fSDi8k5Ly2I3Mdzu96q3Wyh0mrzH5V6PKfUdV8aVrKFQ07XZ3fVHGVQkUUUhXWbC2lje41VOK8Q== rsa-key-20200125"},"region":"uk-cardiff-1","shape":"VM.Standard.A1.Flex","shapeConfig":{"ocpus":4.0,"memoryInGBs":24.0,"baselineOcpuUtilization":null,"processorDescription":"3.0 GHz Ampere® Altra™","networkingBandwidthInGbps":4.0,"maxVnicAttachments":4,"gpus":0,"gpuDescription":null,"localDisks":0,"localDisksTotalSizeInGBs":null,"localDiskDescription":null,"vcpus":4,"resourceManagement":null},"isCrossNumaNode":false,"sourceDetails":{"sourceType":"bootVolume","bootVolumeId":"ocid1.bootvolume.oc1.uk-cardiff-1.abrxoljrnxsvchvwpoq4gv6op3lcngrdw632ip54cnysj7kg6wvyjdgfum6q"},"systemTags":{},"timeCreated":"2021-08-29T12:44:59.798Z","agentConfig":{"isMonitoringDisabled":false,"isManagementDisabled":false,"areAllPluginsDisabled":false,"pluginsConfig":[{"name":"Vulnerability Scanning","desiredState":"DISABLED"},{"name":"Compute Instance Run Command","desiredState":"DISABLED"},{"name":"Compute Instance Monitoring","desiredState":"DISABLED"},{"name":"Block Volume Management","desiredState":"DISABLED"},{"name":"Bastion","desiredState":"DISABLED"},{"name":"Custom Logs Monitoring","desiredState":"DISABLED"}]},"timeMaintenanceRebootDue":null,"timeStopScheduled":null,"preferredMaintenanceAction":null,"platformConfig":null,"instanceConfigurationId":null,"licensingConfigs":null}]