---
title: "Changes to POST /v1/playground/generate"
method: POST
path: "/v1/playground/generate"
---

# Changes to POST /v1/playground/generate

`POST /v1/playground/generate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 53 revisions.

- **2026-02-04** `63bbe8b7a6e1`: 3 info
- **2025-12-14** `1518f764be4a`: 1 info
- **2025-12-11** `7fbbe8f37eae`: 1 info

## Changes

- **2026-02-04** `63bbe8b7a6e1`: 3 info
  - added the new optional request property `allOf[#/components/schemas/OpenAIChatRequest]/tools/items/function/strict`
  - the request property `allOf[#/components/schemas/OpenAIChatRequest]/tools/items/function/description` became optional
  - the request property `allOf[#/components/schemas/OpenAIChatRequest]/tools/items/function/parameters` became optional
- **2025-12-14** `1518f764be4a`: 1 info
  - response property `anyOf[#/components/schemas/ResultSuccess_ChatCompletion-or-_content-string--reasoning-string--calls-any__]/data/anyOf[#/components/schemas/ChatCompletion]/system_fingerprint` reactivated
- **2025-12-11** `7fbbe8f37eae`: 1 info
  - response property `anyOf[#/components/schemas/ResultSuccess_ChatCompletion-or-_content-string--reasoning-string--calls-any__]/data/anyOf[#/components/schemas/ChatCompletion]/system_fingerprint` deprecated

---

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