Vultr Customer Portal

1. Navigate to Products and click Compute.
2. Click your target Vultr Optimized Cloud Compute instance to open its management page.
3. Navigate to the Settings tab.
4. Find and click Change Plan on the left navigation menu.
5. Click the Change Plan drop-down and select a new instance plan.
6. Click Upgrade to resize your instance.
7. Check the confirmation prompt and click Change Plan to apply changes.

Vultr API

1. Send a GET request to the List Instances endpoint and note your target instance’s ID.
   console

   $ curl "https://api.vultr.com/v2/instances" \
     -X GET \
     -H "Authorization: Bearer ${VULTR_API_KEY}"
   

2. Send a PATCH request to the Update Instance endpoint to resize the instance with a new plan and note the Job ID.
   console

   $ curl "https://api.vultr.com/v2/instances/{instance-id}" \
   -X PATCH \
   -H "Authorization: Bearer ${VULTR_API_KEY}" \
   -H "Content-Type: application/json" \
   --data '{
     "plan" : "instance_plan_id"
   }'
   

3. Send a GET request to the Get Instance Job endpoint to monitor and get availble information for the upgrade plan instance job.
   console

   $ curl "https://api.vultr.com/v2/instances/jobs/{job-id}" \
       -X GET \
       -H "Authorization: Bearer ${VULTR_API_KEY}"

Vultr CLI

1. List all available instances and note your target instance’s ID.
   console

   $ vultr-cli instance list

2. List all available plans the instance can resize to.
   console

   $ vultr-cli instance plan list <instance-id>

3. Resize the instance to a new plan.
   console

   $ vultr-cli instance plan upgrade <instance-id> --plan <instance_plan_id>

Terraform

1. Open your Terraform configuration for the existing Optimized Cloud Compute instance.
2. Update the plan value in the instance resource to the new Optimized Cloud Compute plan code.
   terraform

   resource "vultr_instance" "occ" {
       # ...existing fields (region, os_id, label, etc.)
   
       plan = "vhp-4c-8gb"  # Example: upgrade from vhp-2c-4gb to vhp-4c-8gb
   }

3. Apply the configuration and observe the following output:

   Apply complete! Resources: 0 added, 1 changed, 0 destroyed.