curl --request POST \
  --url https://operator.opus.com/api/v1/workflow/{YOUR_WORKFLOW_ID}/run/cancel \
  --header 'Content-Type: application/json' \
  --header 'Authorization: Bearer {YOUR_API_KEY}' \
  --data '{
    "runId": "{YOUR_RUN_ID}"
  }'

import requests

workflow_id = "{YOUR_WORKFLOW_ID}"
url = f"https://operator.opus.com/api/v1/workflow/{workflow_id}/run/cancel"
headers = {
    "Content-Type": "application/json",
    "Authorization": "Bearer {YOUR_API_KEY}"
}
payload = {"runId": "{YOUR_RUN_ID}"}  # optional — defaults to the active run

response = requests.post(url, json=payload, headers=headers)
print(response.json())

const workflowId = "{YOUR_WORKFLOW_ID}";
const response = await fetch(
  `https://operator.opus.com/api/v1/workflow/${workflowId}/run/cancel`,
  {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "Authorization": "Bearer {YOUR_API_KEY}",
    },
    body: JSON.stringify({
      runId: "{YOUR_RUN_ID}",
    }),
  }
);

const data = await response.json();
console.log(data);

{
  "cancelled": true,
  "run_id": "{RUN_ID}",
  "workflow_id": "{WORKFLOW_ID}"
}