To perform backup operations on demand using the SnapCenter Plug-in for VMware vSphere REST APIs, you must follow the prescribed sequence of REST API calls.

For each REST API, add https://<server>:<port> at the front of the REST API to form a complete endpoint.

Step REST API Comments

Step	REST API	Comments
1	`/4.1/resource-groups`	`Get List of Resource Groups` gets the list of VMware vSphere client resource groups. Note the resourceGroupId and the policyId for the resource group you want to back up.
2	`/4.1/resource-groups/backupnow`	`Run a backup on a Resource Group` backs up the resource group on demand. Pass the resourceGroupId and the policyId from Step 1.

/4.1/resource-groups

Get List of Resource Groups gets the list of VMware vSphere client resource groups.
Note the resourceGroupId and the policyId for the resource group you want to back up.

/4.1/resource-groups/backupnow

Run a backup on a Resource Group backs up the resource group on demand.
Pass the resourceGroupId and the policyId from Step 1.