---
title: "Changes to Retrieve customer current and projected usage"
method: GET
path: "/customers/{external_customer_id}/projected_usage"
---

# Changes to Retrieve customer current and projected usage

`GET /customers/{external_customer_id}/projected_usage`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 14 revisions.

- **2026-11-05** `b216574b9612`: 4 info
- **2026-10-16** `fce1879654d8`: 5 breaking, 6 warning, 27 info
- **2026-07-26** `6e969ef3bb45`: 1 breaking, 3 warning, 16 info
- **2026-01-16** `7bf10db291f4`: 1 info

## Changes

- **2026-11-05** `b216574b9612`: 4 info
  - added the required property `customer_projected_usage/charges_usage/items/filters/items/pricing_unit_details/projected_amount_cents` to the response with the `200` status
  - added the required property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/pricing_unit_details/projected_amount_cents` to the response with the `200` status
  - added the required property `customer_projected_usage/charges_usage/items/grouped_usage/items/pricing_unit_details/projected_amount_cents` to the response with the `200` status
  - added the required property `customer_projected_usage/charges_usage/items/pricing_unit_details/projected_amount_cents` to the response with the `200` status
- **2026-10-16** `fce1879654d8`: 5 breaking, 6 warning, 27 info
  - the response property `customer_projected_usage/charges_usage/items/charge/invoice_display_name` became nullable for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/invoice_display_name` became nullable for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/values` became nullable for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/invoice_display_name` became nullable for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/values` became nullable for the status `200`
  - added the new `SYP` enum value to the `customer_projected_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `SYP` enum value to the `customer_projected_usage/currency` response property for the response status `200`
  - added the new `TND` enum value to the `customer_projected_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `TND` enum value to the `customer_projected_usage/currency` response property for the response status `200`
  - added the new `dynamic` enum value to the `customer_projected_usage/charges_usage/items/charge/charge_model` response property for the response status `200`
  - added the new `graduated_percentage` enum value to the `customer_projected_usage/charges_usage/items/charge/charge_model` response property for the response status `200`
  - added the new optional `query` request parameter `billable_metric_code`
  - added the new optional `query` request parameter `charge_code`
  - added the new optional `query` request parameter `charge_id`
  - added the new optional `query` request parameter `filter_by_presentation`
  - added the new optional `query` request parameter `group`
  - added the non-success response with the status `405`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/amount_cents` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/events_count` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/projected_amount_cents` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/projected_units` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/units` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/filters/items/values` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/amount_cents` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/events_count` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/amount_cents` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/events_count` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/projected_amount_cents` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/projected_units` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/units` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/values` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/grouped_by` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/projected_amount_cents` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/projected_units` became required for the status `200`
  - the response property `customer_projected_usage/charges_usage/items/grouped_usage/items/units` became required for the status `200`
  - the response property `customer_projected_usage/currency` became required for the status `200`
  - the response property `customer_projected_usage/lago_invoice_id` became required for the status `200`
- **2026-07-26** `6e969ef3bb45`: 1 breaking, 3 warning, 16 info
  - removed the required property `customer_projected_usage/charges_usage/items/total_aggregated_units` from the response with the `200` status
  - removed the optional property `customer_projected_usage/charges_usage/items/filters/items/total_aggregated_units` from the response with the `200` status
  - removed the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/total_aggregated_units` from the response with the `200` status
  - removed the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/total_aggregated_units` from the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/filters/items/presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/filters/items/projected_amount_cents` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/filters/items/projected_presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/filters/items/projected_units` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/projected_amount_cents` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/projected_presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/filters/items/projected_units` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/projected_amount_cents` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/projected_presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/grouped_usage/items/projected_units` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/presentation_breakdowns` to the response with the `200` status
  - added the optional property `customer_projected_usage/charges_usage/items/projected_presentation_breakdowns` to the response with the `200` status
  - added the required property `customer_projected_usage/charges_usage/items/projected_amount_cents` to the response with the `200` status
  - added the required property `customer_projected_usage/charges_usage/items/projected_units` to the response with the `200` status
- **2026-01-16** `7bf10db291f4`: 1 info
  - endpoint added

---

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