---
title: "POST /api/optimizer-experiments/{id}/cancel/"
method: POST
path: "/api/optimizer-experiments/{id}/cancel/"
tags: ["optimizer-experiments"]
---

# POST /api/optimizer-experiments/{id}/cancel/

`POST /api/optimizer-experiments/{id}/cancel/`

## Request

- Base URL: `https://api.overmindlab.ai`
- URL: `https://api.overmindlab.ai/api/optimizer-experiments/{id}/cancel/`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-Api-Key`
  - API key in cookie `sessionid`
  - API key in header `X-Api-Key`
  - HTTP bearer

## Path parameters

- `id` string, required

## Response `200`

- OptimizerExperiment
  - `id` string, uuid, required
  - `project` string, uuid, required
  - `capability` string, uuid, required
  - `capability_name` string, required
  - `dataset_name` string, required
  - `eval_set_name` string, required
  - `dataset` string, uuid, nullable, required
  - `cell` string, uuid, nullable, required
  - `cell_info` object, nullable, required
  - `eval_set` string, uuid, nullable, required
  - `triggered_by` integer, nullable, required
  - `entrypoint` string, required
  - `code_trigger` string, required
  - `mode` 'optimize' | 'model_comparison' | 'hybrid', required: * `optimize` - Optimize * `model_comparison` - Model Comparison * `hybrid` - Harness + Models
  - `model_ids` unknown, required
  - `openrouter_key_source` 'platform' | 'local', required: * `platform` - Overmind credits * `local` - Local .env
  - `status` 'scheduled' | 'baseline' | 'evaluating_baseline_outputs' | 'evaluated_baseline_outputs' | 'iterating' | 'evaluating_candidate_outputs' | 'evaluated_candidate_outputs' | 'completed' | 'failed' | 'cancelled' | 'paused', required: * `scheduled` - Scheduled * `baseline` - Baseline * `evaluating_baseline_outputs` - Evaluating Baseline Outputs * `evaluated_baseline_outputs` - Evaluated Baseline Outputs * `iterating` - Iterating * `evaluating_candidate_outputs` - Evaluating Candidate Outputs * `evaluated_candidate_outputs` - Evaluated Candidate Outputs * `completed` - Completed * `failed` - Failed * `cancelled` - Cancelled * `paused` - Paused
  - `current_iteration` integer, required
  - `num_iterations` integer, required
  - `num_candidates_per_iteration` integer, required
  - `max_iterations_without_improvement` integer, required
  - `stalled_iterations` integer, required
  - `command_template` string, required
  - `scores` unknown, required
  - `state` unknown, required
  - `failure_reason` string, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required

---

[API](https://skmtc.dev/overmindlab/apis/overmind-api.md) - [All operations](https://skmtc.dev/overmindlab/apis/overmind-api/llms.txt) - [OpenAPI document](https://skmtc.dev/overmindlab/apis/overmind-api/revisions/0ecfd39e80c6?raw)