curl --request POST 'https://api.voicecheap.ai/v1/actions/segments_speaker_update' \
  --header "x-api-key: $VOICECHEAP_API_KEY" \
  --header 'Content-Type: application/json' \
  --data '{"projectId":"project_launch_2026","segmentIndex":0,"speakerIndex":1,"requestId":"41321bda-e243-4b6f-96a4-622cd047c991"}'

const input = {
  projectId: 'project_launch_2026',
  segmentIndex: 0,
  speakerIndex: 1,
  requestId: '41321bda-e243-4b6f-96a4-622cd047c991',
};
const response = await fetch('https://api.voicecheap.ai/v1/actions/segments_speaker_update', {
  method: 'POST',
  headers: {
    'x-api-key': process.env.VOICECHEAP_API_KEY,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify(input),
});
const body = await response.json();
if (!response.ok) throw new Error(body.code + ': ' + body.message);
console.log(body);

import os
import requests

response = requests.post(
    "https://api.voicecheap.ai/v1/actions/segments_speaker_update",
    headers={"x-api-key": os.environ["VOICECHEAP_API_KEY"]},
    json={"projectId": "project_launch_2026", "segmentIndex": 0, "speakerIndex": 1, "requestId": "41321bda-e243-4b6f-96a4-622cd047c991"},
    timeout=120,
)
body = response.json()
if not response.ok:
    raise RuntimeError(f"{body.get('code')}: {body.get('message')}")
print(body)

{
  "data": {
    "message": "Transcription segment speaker updated successfully"
  },
  "requestId": "41321bda-e243-4b6f-96a4-622cd047c991"
}

{
  "data": {
    "requestId": "41321bda-e243-4b6f-96a4-622cd047c991",
    "operation": "segments_speaker_update",
    "createdAt": 1792144800000,
    "updatedAt": 1792144820000,
    "status": "running",
    "pollAfterSeconds": 5
  },
  "requestId": "41321bda-e243-4b6f-96a4-622cd047c991"
}

{
  "data": {
    "requestId": "41321bda-e243-4b6f-96a4-622cd047c991",
    "operation": "segments_speaker_update",
    "createdAt": 1792144800000,
    "updatedAt": 1792144820000,
    "status": "completed",
    "resultStored": false,
    "message": "The action completed. Retrieve its output from the corresponding history or resource action."
  },
  "requestId": "41321bda-e243-4b6f-96a4-622cd047c991"
}