---
title: "Changes to Post Project Component Removal Attribution"
method: POST
path: "/project_components/{id}/removal_attributions"
---

# Changes to Post Project Component Removal Attribution

`POST /project_components/{id}/removal_attributions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 27 revisions.

- **2026-10-30** `e0d342ff70d6`: 1 breaking, 1 warning, 1 info
- **2026-08-04** `a29120dd7406`: 2 breaking, 2 warning, 6 info
- **2025-09-16** `4f984b6745db`: 4 breaking, 6 info

## Changes

- **2026-10-30** `e0d342ff70d6`: 1 breaking, 1 warning, 1 info
  - for the `path` request parameter `id`, the minLength was increased from `0` to `20`
  - for the `path` request parameter `id`, the maxLength was set to `37`
  - for the `path` request parameter `id`, the type was generalized from no type to `string`
- **2026-08-04** `a29120dd7406`: 2 breaking, 2 warning, 6 info
  - the `supplier_reference_id/anyOf[subschema #1]/` response property's maxLength was increased from `100` to `200` for the response status `200`
  - removed the required property `label_ids` from the response with the `200` status
  - the `attribution_factor/anyOf[subschema #1]/` request property's exclusiveMinimum was set to `0.00`
  - the `attribution_factor/anyOf[subschema #1]/` request property's max was set to `1.00`
  - endpoint deprecated
  - for the `path` request parameter `id`, the type was generalized from `string` to no type
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
  - added the required property `credit_allocation` to the response with the `200` status
  - added the required property `risk_of_reversal_percentage` to the response with the `200` status
- **2025-09-16** `4f984b6745db`: 4 breaking, 6 info
  - the `feedstock_type_id/anyOf[subschema #1]/` response property's maxLength was increased from `36` to `37` for the response status `200`
  - the `ghg_statement_id/anyOf[subschema #1]/` response property's maxLength was increased from `36` to `37` for the response status `200`
  - the `id` response property's maxLength was increased from `36` to `37` for the response status `200`
  - the `label_ids/items/` response property's maxLength was increased from `36` to `37` for the response status `200`
  - added the new optional request property `attribution_factor`
  - the request property `attribution_factor_datapoint_id` became optional
  - request property `attribution_factor_datapoint_id` deprecated
  - request property `attribution_factor_datapoint_id` list-of-types was widened by adding types `null` to media type `application/json`
  - the `removal_id` request property's maxLength was increased from `36` to `37`
  - the `attribution_factor_datapoint_id` request property's minLength was decreased from `20` to `0`

---

[Operation](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api/docs/project_components/:id/removal_attributions/post.md) - [API](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api.md) - [Page](https://skmtc.dev/isometric/apis/isometric-certify-data-ingestion-api/changes/project_components/:id/removal_attributions/post)