---
title: "Cancel an assistant run"
method: POST
path: "/v1/assistant/runs/{runId}/cancel"
tags: ["assistant"]
---

# Cancel an assistant run

`POST /v1/assistant/runs/{runId}/cancel`

## Request

- Base URL: `https://sandbox.api.infinite.dev`
- URL: `https://sandbox.api.infinite.dev/v1/assistant/runs/{runId}/cancel`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer
- TypeScript: <https://skmtc.dev/infinite/apis/infinite-api/docs/v1/assistant/runs/:runId/cancel/post.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `runId` string, required

## Response `201`

- AssistantRunResponseDto
  - `id` string, required
  - `threadId` string, required
  - `userId` string, required
  - `organizationId` string, required
  - `app` 'console' | 'admin' | 'compliance', required
  - `status` 'queued' | 'running' | 'awaiting_confirmation' | 'completed' | 'failed' | 'cancelled', required
  - `model` string, nullable
  - `provider` string, nullable
  - `costUsd` string, nullable
  - `cancelRequestedAt` string, date-time, nullable
  - `startedAt` string, date-time, nullable
  - `endedAt` string, date-time, nullable
  - `error` string, nullable
  - `tokensIn` number, nullable
  - `tokensOut` number, nullable
  - `createdAt` string, date-time, required
  - `updatedAt` string, date-time, required

## Other responses

- `401`: Unauthorized - Invalid or missing JWT token

## Changes

- **2026-10-16** `f48e031634f4`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/infinite/apis/infinite-api/changes/v1/assistant/runs/:runId/cancel/post.md)

---

[API](https://skmtc.dev/infinite/apis/infinite-api.md) - [All operations](https://skmtc.dev/infinite/apis/infinite-api/llms.txt) - [OpenAPI document](https://skmtc.dev/infinite/apis/infinite-api/revisions/90065d3e6974?raw)