---
title: "Changes to Get a cell specification with nested component and material data"
method: GET
path: "/cell_specifications/{cell_spec_id}"
---

# Changes to Get a cell specification with nested component and material data

`GET /cell_specifications/{cell_spec_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 25 revisions.

- **2026-10-28** `3abf50e2d741`: 2 info
- **2026-10-06** `6fbec094b30e`: 14 info
- **2026-10-04** `1f50d4b61910`: 4 info
- **2026-09-30** `ea3d377fec1a`: 1 breaking
- **2026-09-23** `8d3f24b81ad9`: 5 info

## Changes

- **2026-10-28** `3abf50e2d741`: 2 info
  - added the optional property `api_url` to the response with the `200` status
  - added the optional property `url` to the response with the `200` status
- **2026-10-06** `6fbec094b30e`: 14 info
  - added the optional property `ratings/acir_1khz` to the response with the `200` status
  - added the optional property `ratings/charge_cutoff_current` to the response with the `200` status
  - added the optional property `ratings/charge_temperature_max` to the response with the `200` status
  - added the optional property `ratings/charge_temperature_min` to the response with the `200` status
  - added the optional property `ratings/cycle_life` to the response with the `200` status
  - added the optional property `ratings/cycle_life_end_of_life` to the response with the `200` status
  - added the optional property `ratings/dcir` to the response with the `200` status
  - added the optional property `ratings/dcir_pulse_duration` to the response with the `200` status
  - added the optional property `ratings/dcir_soc` to the response with the `200` status
  - added the optional property `ratings/discharge_temperature_max` to the response with the `200` status
  - added the optional property `ratings/discharge_temperature_min` to the response with the `200` status
  - added the optional property `ratings/max_pulse_discharge_current` to the response with the `200` status
  - added the optional property `ratings/max_pulse_discharge_duration` to the response with the `200` status
  - added the optional property `ratings/standard_charge_current` to the response with the `200` status
- **2026-10-04** `1f50d4b61910`: 4 info
  - added the optional property `cad_file_name` to the response with the `200` status
  - added the optional property `cad_file_path` to the response with the `200` status
  - added the optional property `cad_thumbnail_path` to the response with the `200` status
  - added the optional property `cad_thumbnail_url` to the response with the `200` status
- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `cell_spec_id`, the format changed from no format to `uuid`
- **2026-09-23** `8d3f24b81ad9`: 5 info
  - added the optional property `anode/anyOf[subschema #1: CellComponentWithMaterial]/material/anyOf[subschema #1: Material]/created_by_email` to the response with the `200` status
  - added the optional property `case/anyOf[subschema #1: CellComponentWithMaterial]/material/anyOf[subschema #1: Material]/created_by_email` to the response with the `200` status
  - added the optional property `cathode/anyOf[subschema #1: CellComponentWithMaterial]/material/anyOf[subschema #1: Material]/created_by_email` to the response with the `200` status
  - added the optional property `electrolyte/anyOf[subschema #1: CellComponentWithMaterial]/material/anyOf[subschema #1: Material]/created_by_email` to the response with the `200` status
  - added the optional property `separator/anyOf[subschema #1: CellComponentWithMaterial]/material/anyOf[subschema #1: Material]/created_by_email` to the response with the `200` status

---

[Operation](https://skmtc.dev/ionworks/apis/ionworks-api/docs/cell_specifications/:cell_spec_id/get.md) - [API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [Page](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cell_specifications/:cell_spec_id/get)