---
title: "Changes to Retrieve customer past usage"
method: GET
path: "/customers/{external_customer_id}/past_usage"
---

# Changes to Retrieve customer past usage

`GET /customers/{external_customer_id}/past_usage`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 14 revisions.

- **2026-10-16** `fce1879654d8`: 4 breaking, 6 warning, 18 info
- **2026-07-26** `6e969ef3bb45`: 1 breaking, 9 info
- **2026-01-16** `7bf10db291f4`: 2 breaking, 2 warning, 8 info
- **2024-12-09** `d7f5a2be797e`: 2 breaking, 274 warning, 2 info

## Changes

- **2026-10-16** `fce1879654d8`: 4 breaking, 6 warning, 18 info
  - the response property `usage_periods/items/charges_usage/items/filters/items/invoice_display_name` became nullable for the status `200`
  - the response property `usage_periods/items/charges_usage/items/filters/items/values` became nullable for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/invoice_display_name` became nullable for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/values` became nullable for the status `200`
  - added the new `SYP` enum value to the `usage_periods/items/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `SYP` enum value to the `usage_periods/items/currency` response property for the response status `200`
  - added the new `TND` enum value to the `usage_periods/items/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `TND` enum value to the `usage_periods/items/currency` response property for the response status `200`
  - added the new `dynamic` enum value to the `usage_periods/items/charges_usage/items/charge/charge_model` response property for the response status `200`
  - added the new `graduated_percentage` enum value to the `usage_periods/items/charges_usage/items/charge/charge_model` response property for the response status `200`
  - the response property `usage_periods/items/charges_usage/items/filters/items/amount_cents` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/filters/items/events_count` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/filters/items/total_aggregated_units` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/filters/items/units` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/filters/items/values` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/amount_cents` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/events_count` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/amount_cents` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/events_count` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/total_aggregated_units` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/units` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/filters/items/values` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/grouped_by` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/total_aggregated_units` became required for the status `200`
  - the response property `usage_periods/items/charges_usage/items/grouped_usage/items/units` became required for the status `200`
  - the response property `usage_periods/items/currency` became required for the status `200`
  - the response property `usage_periods/items/lago_invoice_id` became required for the status `200`
  - added the required property `usage_periods/items/charges_usage/items/charge/code` to the response with the `200` status
- **2026-07-26** `6e969ef3bb45`: 1 breaking, 9 info
  - removed the required property `usage_periods/items/customer_usage` from the response with the `200` status
  - added the optional property `usage_periods/items/currency` to the response with the `200` status
  - added the optional property `usage_periods/items/lago_invoice_id` to the response with the `200` status
  - added the required property `usage_periods/items/amount_cents` to the response with the `200` status
  - added the required property `usage_periods/items/charges_usage` to the response with the `200` status
  - added the required property `usage_periods/items/from_datetime` to the response with the `200` status
  - added the required property `usage_periods/items/issuing_date` to the response with the `200` status
  - added the required property `usage_periods/items/taxes_amount_cents` to the response with the `200` status
  - added the required property `usage_periods/items/to_datetime` to the response with the `200` status
  - added the required property `usage_periods/items/total_amount_cents` to the response with the `200` status
- **2026-01-16** `7bf10db291f4`: 2 breaking, 2 warning, 8 info
  - the `usage_periods/items/customer_usage/charges_usage/items/filters/items/values/additionalProperties/` response's property type changed from `string` to `array` for status `200`
  - the `usage_periods/items/customer_usage/charges_usage/items/grouped_usage/items/filters/items/values/additionalProperties/` response's property type changed from `string` to `array` for status `200`
  - added the new `GHS` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `GHS` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/filters/items/pricing_unit_details` to the response with the `200` status
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/filters/items/total_aggregated_units` to the response with the `200` status
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/grouped_usage/items/filters/items/pricing_unit_details` to the response with the `200` status
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/grouped_usage/items/filters/items/total_aggregated_units` to the response with the `200` status
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/grouped_usage/items/pricing_unit_details` to the response with the `200` status
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/grouped_usage/items/total_aggregated_units` to the response with the `200` status
  - added the optional property `usage_periods/items/customer_usage/charges_usage/items/pricing_unit_details` to the response with the `200` status
  - added the required property `usage_periods/items/customer_usage/charges_usage/items/total_aggregated_units` to the response with the `200` status
- **2024-12-09** `d7f5a2be797e`: 2 breaking, 274 warning, 2 info
  - the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response's property type changed from no type to `string` for status `200`
  - the `usage_periods/items/customer_usage/currency` response's property type changed from no type to `string` for status `200`
  - added the new `AED` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AED` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `AFN` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AFN` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `ALL` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `ALL` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `AMD` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AMD` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `ANG` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `ANG` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `AOA` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AOA` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `ARS` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `ARS` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `AUD` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AUD` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `AWG` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AWG` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `AZN` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `AZN` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BAM` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BAM` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BBD` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BBD` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BDT` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BDT` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BGN` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BGN` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BIF` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BIF` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BMD` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BMD` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BND` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BND` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BOB` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BOB` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - added the new `BRL` enum value to the `usage_periods/items/customer_usage/charges_usage/items/amount_currency` response property for the response status `200`
  - added the new `BRL` enum value to the `usage_periods/items/customer_usage/currency` response property for the response status `200`
  - …238 more

---

[Operation](https://skmtc.dev/getlago/apis/lago-api-documentation/docs/customers/:external_customer_id/past_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/past_usage/get)