---
title: "Changes to List canonical emission filter facets"
method: GET
path: "/emissions/canonical/facets"
---

# Changes to List canonical emission filter facets

`GET /emissions/canonical/facets`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 18 revisions.

- **2026-10-02** `766c2a40e369`: 2 info
- **2026-10-01** `b4751fd15397`: 3 info

## Changes

- **2026-10-02** `766c2a40e369`: 2 info
  - added the new optional `query` request parameter `siteIds`
  - added the new optional `query` request parameter `utilityUnmatched`
- **2026-10-01** `b4751fd15397`: 3 info
  - added the new optional `query` request parameter `dateBasis`
  - added the new optional `query` request parameter `missingSpend`
  - added the new optional `query` request parameter `usage`

---

[Operation](https://skmtc.dev/greentally/apis/esgai-api/docs/emissions/canonical/facets/get.md) · [API](https://skmtc.dev/greentally/apis/esgai-api.md) · [Page](https://skmtc.dev/greentally/apis/esgai-api/changes/emissions/canonical/facets/get)