---
title: "Run Thread"
method: POST
path: "/v1/threads/{thread_id}/runs"
tags: ["assistants"]
---

# Run Thread

`POST /v1/threads/{thread_id}/runs`

Create a run.

API Reference: https://platform.openai.com/docs/api-reference/runs/createRun

## Path parameters

- `thread_id` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-18** `082b5fabd909` — 2 info
  - 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

[Change history](https://skmtc.dev/flock/apis/litellm-api/changes/v1/threads/:thread_id/runs/post.md)

---

[API](https://skmtc.dev/flock/apis/litellm-api.md) · [All operations](https://skmtc.dev/flock/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/flock/apis/litellm-api/revisions/b694deb1e459?raw)