---
title: "Changes to Get futures curve structure"
method: GET
path: "/v1/spreads/curve-structure"
---

# Changes to Get futures curve structure

`GET /v1/spreads/curve-structure`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 17 revisions.

- **2026-11-04** `7f8b4d763210`: 3 breaking, 6 info
- **2026-08-25** `0e79e21dee2e`: 1 breaking, 4 info

## Changes

- **2026-11-04** `7f8b4d763210`: 3 breaking, 6 info
  - the response property `data/back_month_6` became nullable for the status `200`
  - the response property `data/severity` became nullable for the status `200`
  - the `data/curve_points` response's property type changed from `array` to `integer` for status `200`
  - added the optional property `data/caveat` to the response with the `200` status
  - added the optional property `data/methodology` to the response with the `200` status
  - added the optional property `data/seasonally_adjusted` to the response with the `200` status
  - added the optional property `data/spread_tenors_months` to the response with the `200` status
  - added the optional property `data/term_slope_pct` to the response with the `200` status
  - added the optional property `data/warnings` to the response with the `200` status
- **2026-08-25** `0e79e21dee2e`: 1 breaking, 4 info
  - added the new required `query` request parameter `commodity`
  - added the media type `application/json` for the response with the status `200`
  - added the media type `application/json` for the response with the status `401`
  - added the non-success response with the status `400`
  - added the non-success response with the status `500`

---

[Operation](https://skmtc.dev/oilpriceapi/apis/oil-price-api-v1/docs/v1/spreads/curve-structure/get.md) - [API](https://skmtc.dev/oilpriceapi/apis/oil-price-api-v1.md) - [Page](https://skmtc.dev/oilpriceapi/apis/oil-price-api-v1/changes/v1/spreads/curve-structure/get)