> For the complete documentation index, see [llms.txt](https://docs.i3d.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.i3d.net/compute/flexvm/usage-and-reporting.md).

# Usage and Reporting

## Monthly usage report

Retrieve usage data across all your Clouds within a time period. The default period is the current calendar month.

```http
GET /v3/flexVM/reports/monthly?start=2026-01-01T00:00:00Z&end=2026-02-01T00:00:00Z
Host: api.i3d.net
PRIVATE-TOKEN: YOUR_API_KEY
```

The usage is reported across the following aggregates:

* **by\_tag** — usage grouped by tag:
  * `active_vms`: number of currently active VMs.
  * `tag`: the tag (e.g. `env:test`).
  * `total_vm_hours`: total number of hours VMs have run.
  * `total_vms_created`: total number of VMs created.
  * `total_vms_released`: total number of VMs released.
* **clouds** — the same fields as `by_tag`, grouped per Cloud.
* **vms** — the full list of VMs, with creation and deletion timestamps:
  * `cloud_id`: UUID of the Cloud in which the VM was created.
  * `image`: image name of the VM (e.g. `ubuntu-2404-server-amd64`).
  * `name`: name of the VM.
  * `plan`: Instance Type of the VM.
  * `site`: site location of the VM (tied to the Cloud).
  * `status`: operational status (e.g. `created`, `deleted`, `failed`, `stopped`).
  * `tags`: optional array of tags.
  * `vm_hours`: number of running hours of the VM.


---

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