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, 28 Aug 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="GRbRTSff/m/u1yWnanYpxLLl64HRrRsYd0QLHBt2OvORgt00ZNg8zprjCQK5+qzevO8bWOBrQETWJmTfxbgn4+RZFQPKidk/GGnDC9AkFEBJt4htIQSGb8rVZwuhxwxiP0DcGb36kblkz7OJhz1Y7E3dZ7Vg/OV1Yapn852VwWwleaGHdof73Qi/jeaJNhOe3oM9p8BQYVlnXmlB9qGaQ1Sk94MDzN8/mqjeu3Itl9K5u2EoXhBZ+GMFRGER2W5hKt966FCos6sbkR0SMgmM0JiH0h09mBZKbIJw3Y8MtvWdCv6ZDMrYIkNAqRc+ZChfrTlO40PFBspXIgmvhZlq/g==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | 98aa3ff1-ee89-4096-b1c9-77e007ff64b5 |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Fri, 28 Aug 2026 00:00:09 GMT |
| opc-request-id | oci-DD07C8196EC3922-202608280000/DCCF0E3E3D560C4489CF906A43574C0A/9EE48EFF66A12C482356AD83F88D6801 |
| 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, 28 Aug 2026 00:00:09 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="g23ukZuwFUG//i86+Oz6wzEfV2g2rfYhfiimVCFpDZOUEJyaKB2n5c1c9iHU/EdmR0ldXjtdESWfgFpyBDCf9PokBlsszdKzi2egSjzT6WSgxnm5r/trS2OueI965R18d0x8pSj9DqfvuOOylF1tk9X9NgXSz3qZz5fmOoyo2cq4LdzbCGluZo23owCK+zxIPvq/wanTNvXalOTQzXiYjGGuCBgvJ4bBzs2uBTlrwx5kMyb+8hF/o8QWM9CAXwc/UD4DJee3/yP0nO8YJIKXwtX0j0ZLY6NFzxXHqAFsdh+Bc0fVa5lX9xIjjzfjNs8s93igNMhxpk/FsbAcXKTQ4g==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | 2dc2f880-d25a-4e5b-b695-32d1385801bb |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Fri, 28 Aug 2026 00:00:10 GMT |
| opc-request-id | oci-24AA4A6379244B2-202608280000/0BD69DEF8E33977A8ACF906A43574CD7/21966B88E91B815EF97206AF8E4F5065 |
| Content-Type | application/json |
| Content-Encoding | gzip |
| Vary | Origin |
| X-Content-Type-Options | nosniff |
| Strict-Transport-Security | max-age=31536000; includeSubDomains; |
| Content-Length | 1649 |
[{"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"}]},"timeMaintenanceRebootDue":null,"timeStopScheduled":null,"preferredMaintenanceAction":null,"platformConfig":null,"instanceConfigurationId":null,"licensingConfigs":null,"internalOverlayEnclave":null}]