curl -X POST 'https://api.elevenlabs.io/v1/voices/pvc/voice-id/samples/sample-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "remove_background_noise": false,
  "selected_speaker_ids": [
    "string"
  ],
  "trim_start_time": 0,
  "trim_end_time": 0,
  "file_name": "string"
}'

# POST /v1/voices/pvc/{voice_id}/samples/{sample_id} (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Update Pvc Voice Sample

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X POST 'https://api.elevenlabs.io/v1/voices/pvc/voice-id/samples/sample-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"remove_background_noise":false,"selected_speaker_ids":["string"]}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| voice_id | path | string | Yes | Voice ID to be used, you can use http... |
| sample_id | path | string | Yes | Sample ID to be used |
| remove_background_noise | body | boolean | No | If set will remove background noise f... |

## Response (200 OK)
{"voice_id":"b38kUX8pkfYO2kHyqfFy"}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

POST

/v1/voices/pvc/{voice_id}/samples/{sample_id}

ElevenLabs API

Update Pvc Voice Sample

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 216 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X POST 'https://api.elevenlabs.io/v1/voices/pvc/voice-id/samples/sample-id' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "remove_background_noise": false,  "selected_speaker_ids": [    "string"  ],  "trim_start_time": 0,  "trim_end_time": 0,  "file_name": "string"}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
voice_id	path	string	Yes	Voice ID to be used, you can use https://api.elevenlabs.io/v1/voices to list all the available voices.
sample_id	path	string	Yes	Sample ID to be used
remove_background_noise	body	boolean	No	If set will remove background noise for voice samples using our audio isolation model. If the samples do not include background noise, it can make the quality worse.
selected_speaker_ids	body	string[]	No	Speaker IDs to be used for PVC training. Make sure you send all the speaker IDs you want to use for PVC training in one request because the last request will override the previous ones.
trim_start_time	body	integer	No	The start time of the audio to be used for PVC training. Time should be in milliseconds
trim_end_time	body	integer	No	The end time of the audio to be used for PVC training. Time should be in milliseconds
file_name	body	string	No	The name of the audio file to be used for PVC training.

Response 200 OK

{
  "voice_id": "b38kUX8pkfYO2kHyqfFy"
}