---
title: "Changes to GET /v2/list-test-case-definitions"
method: GET
path: "/v2/list-test-case-definitions"
---

# Changes to GET /v2/list-test-case-definitions

`GET /v2/list-test-case-definitions`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 7 of 28 revisions.

- **2026-05-07** `f1a0d7c1e36c` — 1 info
- **2026-04-28** `1b4a9d84942a` — 1 warning
- **2026-04-21** `03728df7863f` — 1 warning
- **2026-04-20** `8ee53928bf31` — 1 warning
- **2026-03-19** `3aa6f6e028ef` — 2 warning
- **2026-03-17** `424df3aa7900` — 1 warning
- **2026-03-09** `8fbf8c54a142` — 1 info

## Changes

- **2026-05-07** `f1a0d7c1e36c` — 1 info
  - removed the `gemini-2.5-flash` enum value from the `allOf[subschema #2]/items/items/allOf[#/components/schemas/TestCaseDefinitionInput]/llm_model` response property for the response status `200`
- **2026-04-28** `1b4a9d84942a` — 1 warning
  - added the new `gpt-5.5` enum value to the `allOf[subschema #2]/items/items/allOf[#/components/schemas/TestCaseDefinitionInput]/llm_model` response property for the response status `200`
- **2026-04-21** `03728df7863f` — 1 warning
  - deleted the `query` request parameter `version`
- **2026-04-20** `8ee53928bf31` — 1 warning
  - added the new `gemini-3.1-flash-lite` enum value to the `allOf[subschema #2]/items/items/allOf[#/components/schemas/TestCaseDefinitionInput]/llm_model` response property for the response status `200`
- **2026-03-19** `3aa6f6e028ef` — 2 warning
  - added the new `gpt-5.4-mini` enum value to the `allOf[subschema #2]/items/items/allOf[#/components/schemas/TestCaseDefinitionInput]/llm_model` response property for the response status `200`
  - added the new `gpt-5.4-nano` enum value to the `allOf[subschema #2]/items/items/allOf[#/components/schemas/TestCaseDefinitionInput]/llm_model` response property for the response status `200`
- **2026-03-17** `424df3aa7900` — 1 warning
  - added the new `gpt-5.4` enum value to the `allOf[subschema #2]/items/items/allOf[#/components/schemas/TestCaseDefinitionInput]/llm_model` response property for the response status `200`
- **2026-03-09** `8fbf8c54a142` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/retellai/apis/retell-sdk/docs/v2/list-test-case-definitions/get.md) · [API](https://skmtc.dev/retellai/apis/retell-sdk.md) · [Page](https://skmtc.dev/retellai/apis/retell-sdk/changes/v2/list-test-case-definitions/get)