---
title: "Changes to List agent session turns"
method: GET
path: "/agents/sessions/{session_id}/turns"
---

# Changes to List agent session turns

`GET /agents/sessions/{session_id}/turns`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 554 revisions.

- **2026-10-06** `9e0991b213ec`: 1 warning
- **2026-10-02** `c7e20d7679dc`: 3 warning
- **2026-09-27** `4b75527da17b`: 1 warning
- **2026-09-25** `d86203de41ae`: 1 info
- **2026-09-25** `e0550bdbb545`: 1 warning
- **2026-09-11** `8c3c08961f62`: 1 warning
- **2026-09-10** `f2dae1a9aced`: 1 info

## Changes

- **2026-10-06** `9e0991b213ec`: 1 warning
  - added the new `billing_not_active` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
- **2026-10-02** `c7e20d7679dc`: 3 warning
  - added the new `organization_spend_limit_exceeded` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
  - added the new `organization_usage_limit_exceeded` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
  - added the new `project_spend_limit_exceeded` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
- **2026-09-27** `4b75527da17b`: 1 warning
  - added the new `flex_unavailable` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
- **2026-09-25** `d86203de41ae`: 1 info
  - added the non-success response with the status `403`
- **2026-09-25** `e0550bdbb545`: 1 warning
  - added the new `misalignment_policy_violation` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
- **2026-09-11** `8c3c08961f62`: 1 warning
  - added the new `credit_balance_exhausted` enum value to the `data/items/error/anyOf[#/components/schemas/SessionTurnErrorResource]/code` response property for the response status `200`
- **2026-09-10** `f2dae1a9aced`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/openai/apis/openai-api-4/docs/agents/sessions/:session_id/turns/get.md) - [API](https://skmtc.dev/openai/apis/openai-api-4.md) - [Page](https://skmtc.dev/openai/apis/openai-api-4/changes/agents/sessions/:session_id/turns/get)