---
title: "Changes to Control a character"
method: POST
path: "/v1/character_performance"
---

# Changes to Control a character

`POST /v1/character_performance`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 11 of 67 revisions.

- **2026-10-02** `ef7e1923afaf`: 1 info
- **2026-08-31** `4491b57b5860`: 2 breaking, 2 info
- **2026-08-07** `73a12c23285c`: 2 info
- **2025-12-04** `6dab1bdab5d3`: 5 info
- **2025-12-03** `c2a88516fa0c`: 4 info
- **2025-12-03** `76b3962cf49e`: 4 info
- **2025-11-04** `6902fa9494c5`: 3 breaking, 8 info
- **2025-10-22** `8448e1c9a862`: 1 info
- **2025-10-22** `a25ca7b3e7b9`: 1 info
- **2025-10-22** `51187ab9436f`: 1 info
- **2025-10-22** `90724848e40f`: 1 breaking, 8 warning, 4 info

## Changes

- **2026-10-02** `ef7e1923afaf`: 1 info
  - added the optional property `reason` to the response with the `400` status
- **2026-08-31** `4491b57b5860`: 2 breaking, 2 info
  - removed `subschema #1, subschema #3` from the `oneOf[subschema #1: act_two]/character/oneOf[subschema #2: CharacterVideo]/uri` request property `anyOf` list
  - removed `subschema #1, subschema #3` from the `oneOf[subschema #1: act_two]/reference/oneOf[subschema #1: CharacterReferenceVideo]/uri` request property `anyOf` list
  - added `subschema #1, subschema #3` to the `oneOf[subschema #1: act_two]/character/oneOf[subschema #2: CharacterVideo]/uri` request property `anyOf` list
  - added `subschema #1, subschema #3` to the `oneOf[subschema #1: act_two]/reference/oneOf[subschema #1: CharacterReferenceVideo]/uri` request property `anyOf` list
- **2026-08-07** `73a12c23285c`: 2 info
  - added the non-success response with the status `400`
  - added the required property `estimatedCost` to the response with the `200` status
- **2025-12-04** `6dab1bdab5d3`: 5 info
  - the `model` request property default value `act_two` was removed
  - the `type` request property default value `image` was removed
  - the `type` request property default value `video` was removed
  - the `type` request property default value `video` was removed
  - added the media type `application/json` for the response with the status `429`
- **2025-12-03** `c2a88516fa0c`: 4 info
  - the `model` request property default value `act_two` was added
  - the `type` request property default value `image` was added
  - the `type` request property default value `video` was added
  - the `type` request property default value `video` was added
- **2025-12-03** `76b3962cf49e`: 4 info
  - the `model` request property default value `act_two` was removed
  - the `type` request property default value `image` was removed
  - the `type` request property default value `video` was removed
  - the `type` request property default value `video` was removed
- **2025-11-04** `6902fa9494c5`: 3 breaking, 8 info
  - removed `subschema #1, subschema #2` from the `oneOf[subschema #1: act_two]/character/oneOf[subschema #1: CharacterImage]/uri` request property `anyOf` list
  - removed `subschema #1, subschema #2` from the `oneOf[subschema #1: act_two]/character/oneOf[subschema #2: CharacterVideo]/uri` request property `anyOf` list
  - removed `subschema #1` from the `oneOf[subschema #1: act_two]/reference` request property `oneOf` list
  - added `subschema #1, subschema #2, subschema #3` to the `oneOf[subschema #1: act_two]/character/oneOf[subschema #1: CharacterImage]/uri` request property `anyOf` list
  - added `subschema #1, subschema #2, subschema #3` to the `oneOf[subschema #1: act_two]/character/oneOf[subschema #2: CharacterVideo]/uri` request property `anyOf` list
  - the `expressionIntensity` request property default value `3` was added
  - the `model` request property default value `act_two` was added
  - the `type` request property default value `image` was added
  - the `type` request property default value `video` was added
  - the `seed` request property default value `1341216039` was removed
  - added `subschema #1: CharacterReferenceVideo` to the `oneOf[subschema #1: act_two]/reference` request property `oneOf` list
- **2025-10-22** `8448e1c9a862`: 1 info
  - the `seed` request property default value changed from `4223856851` to `1341216039`
- **2025-10-22** `a25ca7b3e7b9`: 1 info
  - the `seed` request property default value changed from `2209317384` to `4223856851`
- **2025-10-22** `51187ab9436f`: 1 info
  - the `seed` request property default value changed from `1791440444` to `2209317384`
- **2025-10-22** `90724848e40f`: 1 breaking, 8 warning, 4 info
  - the request's body type changed from `object` to no type
  - removed the request property `bodyControl`
  - removed the request property `character`
  - removed the request property `contentModeration`
  - removed the request property `expressionIntensity`
  - removed the request property `model`
  - removed the request property `ratio`
  - removed the request property `reference`
  - removed the request property `seed`
  - added request discriminator
  - added `subschema #1: act_two` to the request body `oneOf` list
  - added the non-success response with the status `429`
  - the `id` response's property pattern `^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12})$` was added for the status `200`

---

[Operation](https://skmtc.dev/runwayml/apis/runwayml-api/docs/v1/character_performance/post.md) - [API](https://skmtc.dev/runwayml/apis/runwayml-api.md) - [Page](https://skmtc.dev/runwayml/apis/runwayml-api/changes/v1/character_performance/post)