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 | Mon, 09 Nov 2026 00:00:07 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="jXhIFjPsRVXXtSaWnzQUcZTpNM2waS9biVr/iCQGHrILG3gq9rhd30xsbvRRVdsuLrJk9OL1lOTerg9Ilp8UkVLe8aCbcRZ9BDTWxoblfl3RV+CIIR/rVSgXTVKs7HofuA5IpkYX8qgO79sZIoF1VtGqEEdXIAm6QADfje6Uuzye8KZsToVuPbPAZ2XT1aROYeL7G5zTvQCZzIYsOu3jME63syJhpDguf69jtKXcOp8G7a9ACDY6xCzixTA0V2c3nRJMN1jHJeFBqquZlOxJp/kqwrZKKFv+y/3+pkzpeu/oeAvp5F3w83DyXCfVU1rl++3aB55aC54HGo4w73sm+Q==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | 6a7ceff5-ff3e-4332-86a1-2f9e3c2e4ccf |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Mon, 09 Nov 2026 00:00:08 GMT |
| opc-request-id | oci-6F08F31F3037C73-202611090000/C9CFB681EA4C83A2080DF16A43574CB6/C19BB914C49776F97E3A7847BEE460C9 |
| 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 | Mon, 09 Nov 2026 00:00:08 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="FBu0BU/mwc7I9OsoMLoV6iYP64fqoPLQF2zwFEaISVp+SgdhMQ3Cmd6PasNmm374+OUgvPAnIWfZxhDbf0kia+O6i5PFaRQF2OE0qiBV0etK+MBAoXyeJvmL0ibr6BphPMkq3JamGEhK+YZ/hCk1kQIiCgbM5QEsa/OQ6aqn5uDECV8ujVR3tYpqZVdKHG3vXDFAIVeCdVFtqAa8lmPseqH3UaTtRhXA3bskjy3BV2YH8TkMA3KxSu628sXEPvncd0wV0crt2DXRZMJVEi0TEEM6IwyyJBEzzTAmBe71VcYp+ZVXM5ofAcD7LUp9zUiBhYt1XezV5+RMj8IQj/LmpA==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | a8267177-c8fa-4a69-ac17-56ab11f9927c |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Mon, 09 Nov 2026 00:00:09 GMT |
| opc-request-id | oci-72B34B7041F919A-202611090000/7DA88D28BF92A9CE090DF16A43574C07/3973ED64862C0B54E00402BB119F7149 |
| Content-Type | application/json |
| Content-Encoding | gzip |
| Vary | Origin |
| X-Content-Type-Options | nosniff |
| Strict-Transport-Security | max-age=31536000; includeSubDomains; |
| Content-Length | 1667 |
[{"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":"default/ashwineu@gmail.com","CreatedOn":"2026-04-20T11:59:52.610Z"}},"securityAttributes":{},"securityAttributesState":"STABLE","displayName":"cardiff","extendedMetadata":{},"faultDomain":"FAULT-DOMAIN-1","freeformTags":{},"id":"ocid1.instance.oc1.uk-cardiff-1.anrxoljrjij4pfacdinfn3lnzhtx5ier7m5ebkdp7r6qjfok3i3ucmoz2uza","imageId":"ocid1.image.oc1.uk-cardiff-1.aaaaaaaafsfwbdg6zlsbzemakokpnfapqe3e3plqkyqj5g5nq6fxode3qluq","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":2.0,"memoryInGBs":12.0,"baselineOcpuUtilization":"BASELINE_1_1","processorDescription":"3.0 GHz Ampere® Altra™","networkingBandwidthInGbps":2.0,"maxVnicAttachments":2,"gpus":0,"gpuDescription":null,"localDisks":0,"localDisksTotalSizeInGBs":null,"localDiskDescription":null,"vcpus":2,"resourceManagement":null,"localVolumeSizeInGBs":null},"isCrossNumaNode":false,"sourceDetails":{"sourceType":"image","bootVolumeSizeInGBs":null,"imageId":"ocid1.image.oc1.uk-cardiff-1.aaaaaaaafsfwbdg6zlsbzemakokpnfapqe3e3plqkyqj5g5nq6fxode3qluq","kmsKeyId":null,"bootVolumeVpusPerGB":null,"instanceSourceImageFilterDetails":null},"systemTags":{},"timeCreated":"2026-04-20T11:59:53.039Z","agentConfig":{"isMonitoringDisabled":false,"isManagementDisabled":false,"areAllPluginsDisabled":false,"pluginsConfig":[{"name":"Oracle Java Management Service","desiredState":"ENABLED"},{"name":"OS Management Hub Agent","desiredState":"DISABLED"},{"name":"Management Agent","desiredState":"ENABLED"},{"name":"Fleet Application Management Service","desiredState":"ENABLED"},{"name":"Custom Logs Monitoring","desiredState":"ENABLED"},{"name":"Compute Instance Run Command","desiredState":"ENABLED"},{"name":"Compute Instance Monitoring","desiredState":"ENABLED"},{"name":"Block Volume Management","desiredState":"ENABLED"}],"isAutoUpdateEnabled":null,"desiredAgentVersion":null},"timeMaintenanceRebootDue":null,"timeStopScheduled":null,"preferredMaintenanceAction":null,"platformConfig":null,"instanceConfigurationId":null,"licensingConfigs":null,"internalOverlayEnclave":null}]