---
title: Add Compute Sandbox count metric
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2026/03/add-compute-sandboxes
---

You can now retrieve the count of WebAssembly (Wasm) sandboxes created via the `compute_sandboxes` field in both the [Historical Stats API](https://www.fastly.com/documentation/reference/api/metrics-stats/historical-stats/) and the [Real-Time Analytics API](https://www.fastly.com/documentation/reference/api/metrics-stats/realtime/).