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 | Sun, 16 Aug 2026 00:00:10 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="Ax46DmRRWLmYY15iKq4Bow017wAHbNc33/vv7T0yJ4X0xKc/sEJfC9czrW6Z+6f/JPw0C8P8YF2iFShIdgw9SlzJqmYVa98cu1tmCZYhhx+PaCbMxyvLZQ4GDf5fY78z4mMxpU31S54QwvbyuPAkQfdW3DW0t46J8ol61gl9k3RjMFBlDsjwh6jj36EWHugsLeRLeCfIqgked5RCxfW03b7v+CRA5q/jtiynaBasoBhW4lAZYi7KH835sa1FhrSuBoHahCgRqXAIbUXJJYfXIGcJhAe+2SKLJyldiIXJPxkGghI1xGwRgxNcJFFkZx/Twdd88X001bfdptGVlJmovw==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | cd017458-6a79-4584-845c-e1ab1ca2d4dd |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Sun, 16 Aug 2026 00:00:11 GMT |
| opc-request-id | oci-908BE223134AA5D-202608160000/172723F059ECB71A8BFD806A43574C90/354F376A459959ED7677F46A58D87969 |
| 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 | Sun, 16 Aug 2026 00:00:11 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="XCXqjOGAIwAroGpH+xb1D3Je9/+RsxL/tVfLj9f87WEO1Vz9ALEbuiKb6dsrqb3Zko9xT27OG9UbpqrnyRkpm9nnK8GV3jtNFUNjaDNNqoerVVbjaqGQI7VkV070Q5646a+YYgXtArPBeZ0/XpU9tr3QA3RaXc0e4S0+TRaBJpFwMAZwcoQ/7hnJpx/obyGhqYKonTia0bxDvB6XaAvFbqvI2aW1bT8cb8vJxo7nQ6EkxaV5z/fMVGvEsPf+XUbed3QdndtoZKdH2KsL0N1a6tLYD5rtKcc+JxN9F3Nw/TZMLnymXevYtGOikFHdia5HkY/Bx3WSRkLrEB5Xz4aSKg==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | d36a17ed-d318-40e5-8e3b-4d2d807be772 |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Sun, 16 Aug 2026 00:00:11 GMT |
| opc-request-id | oci-FC4E9313AAD2C1B-202608160000/8E56B5C654AF0FD88BFD806A43574C25/8E084AC998C5A68A876A4E0D9111E573 |
| 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}]