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 | Thu, 16 Apr 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="ED26bX8gtkE/AudCMoVEsexHTHspJBqUh4jRBhntbVwXw8hYtG4fEg5/CESEo4gnesiKNYJI3DbAzJAR4Ct7OUXFlDGG+OivHwSwWC3uSxAm52HGhvwOsva6YUhjFcBJsVWjVuNE/0U0LJpqc+gwM+7h3faqwqBIUCBzayPp6xjG0EGVppqgub9iryXCFCmFyXlSWU1bGtrPPYN2JpyLB0BEt4PykwuO2+Ra8+D/b0Uvf1e4vtOEGZSSiYiRc0XkOsJenPdZ2qPcDPhDYgrLHtJiWHaQB3Kd8GRJXJBRva8s1wvAep+LOeompeLIBtpP/b+Ms4k2PdUaYvsECkDKPw==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | a57c35f4-f45b-4398-ad90-936bd9f82419 |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Thu, 16 Apr 2026 00:00:05 GMT |
| opc-request-id | oci-30A701EF38E5205-202604160000/CD08C237860D3F548526E06943574C52/4A916A452A38FF0B645E6BF3E87D6EF5 |
| 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 | Thu, 16 Apr 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="S3IRcY+UZBN2A0xdRV42M8QHyDx+lIAZhL4TZPNNcG/1sirRUxO5udEeyjq9dVtrU940gTwZIqlbpTBoca2TTA53yXAdH7/JKROdxl+gfIOQ+1HKcWKXXp5Dirqh7DLPl23JQQjpW8YkY8Z3OkCULKc7DD8BaCmY8K+4yeP3E94lbykjKWfuY0wW470jFOrS6/EErymkuECvlqnKU+AIEuNqi64OL/a1CUP8XBqLTcWnqpsCiF1woIhCveRI6lD9gCzI8a5Gv/RfLNjcTz7L7ujf1VOvhNP1aTBhIpvzLoHSOYIiJbNhaCslCDsdu1oQRXUfW8/0Rkxu/Ki3IY5XAQ==" |
| User-Agent | PostmanRuntime/7.29.0 |
| Accept | */* |
| Cache-Control | no-cache |
| Postman-Token | fc328bc8-3c31-4146-b33f-93e82d979b81 |
| Host | iaas.uk-cardiff-1.oraclecloud.com |
| Accept-Encoding | gzip, deflate, br |
| Connection | keep-alive |
| Header Name | Header Value |
|---|---|
| Date | Thu, 16 Apr 2026 00:00:05 GMT |
| opc-request-id | oci-98BFDE0BC6892F1-202604160000/6826F5B44774BDAA8526E06943574C39/E0E412E4BBE77391674537E3C0C58FA6 |
| Content-Type | application/json |
| Content-Encoding | gzip |
| X-Content-Type-Options | nosniff |
| Strict-Transport-Security | max-age=31536000; includeSubDomains; |
| Content-Length | 1595 |
[{"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,"localVolumeSizeInGBs":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}]