---
title: "Changes to List all billable metrics"
method: GET
path: "/billable_metrics"
---

# Changes to List all billable metrics

`GET /billable_metrics`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 14 revisions.

- **2026-11-05** `b216574b9612`: 6 info
- **2026-10-16** `fce1879654d8`: 1 breaking, 1 info
- **2025-04-25** `86ccaf2d7c61`: 2 warning
- **2024-12-22** `e1b7ed77904e`: 3 breaking
- **2024-12-09** `d7f5a2be797e`: 6 info

## Changes

- **2026-11-05** `b216574b9612`: 6 info
  - the response property `billable_metrics/items/description` became required for the status `200`
  - the response property `billable_metrics/items/expression` became required for the status `200`
  - the response property `billable_metrics/items/field_name` became required for the status `200`
  - the response property `billable_metrics/items/rounding_function` became required for the status `200`
  - the response property `billable_metrics/items/rounding_precision` became required for the status `200`
  - the response property `billable_metrics/items/weighted_interval` became required for the status `200`
- **2026-10-16** `fce1879654d8`: 1 breaking, 1 info
  - the response property `billable_metrics/items/expression` became nullable for the status `200`
  - the response property `billable_metrics/items/filters` became required for the status `200`
- **2025-04-25** `86ccaf2d7c61`: 2 warning
  - added the new `undefined` enum value to the `billable_metrics/items/rounding_function` response property for the response status `200`
  - added the new `undefined` enum value to the `billable_metrics/items/weighted_interval` response property for the response status `200`
- **2024-12-22** `e1b7ed77904e`: 3 breaking
  - removed the required property `billable_metrics/items/active_subscriptions_count` from the response with the `200` status
  - removed the required property `billable_metrics/items/draft_invoices_count` from the response with the `200` status
  - removed the required property `billable_metrics/items/plans_count` from the response with the `200` status
- **2024-12-09** `d7f5a2be797e`: 6 info
  - added the optional property `billable_metrics/items/expression` to the response with the `200` status
  - added the optional property `billable_metrics/items/rounding_function` to the response with the `200` status
  - added the optional property `billable_metrics/items/rounding_precision` to the response with the `200` status
  - response property `billable_metrics/items/active_subscriptions_count` deprecated
  - response property `billable_metrics/items/draft_invoices_count` deprecated
  - response property `billable_metrics/items/plans_count` deprecated

---

[Operation](https://skmtc.dev/getlago/apis/lago-api-documentation/docs/billable_metrics/get.md) - [API](https://skmtc.dev/getlago/apis/lago-api-documentation.md) - [Page](https://skmtc.dev/getlago/apis/lago-api-documentation/changes/billable_metrics/get)