> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bland.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Voice Sample Transcriptions

> Update the transcription text on one or more training samples.

## Overview

Updates the transcribed text for one or more samples on a voice clone you own. Useful when auto-transcription has errors that you want to correct before the voice is used.

The samples themselves and their audio are not modified.

***

## Headers

**authorization** `string` *required*

Your API key for authentication.

***

## Path Parameters

**id** `string` *required*

UUID of the parent voice.

***

## Body Parameters

**samples** `array` *required*

Array of sample updates. Each entry must include `id` and `transcription`.

```json theme={null}
{
  "samples": [
    { "id": "d15b199a-1b79-4664-9a9a-b149ee3b136a", "transcription": "Hello and welcome to Bland." }
  ]
}
```

***

## Response

**status** `string`

`success` on success.

**samples** `array`

The updated samples. See [List Voice Samples](https://docs.bland.ai/api-v1/get/voices-id-samples.md#response) for field shape.

```json Response theme={null}
{
  "status": "success",
  "samples": [
    {
      "id": "d15b199a-1b79-4664-9a9a-b149ee3b136a",
      "voice_id": "73d4c04b-1e15-4272-9c7f-8d2955914ba9",
      "transcription": "Hello and welcome to Bland.",
      "duration_seconds": 11.4,
      "created_at": "2026-06-22T21:34:31.347Z"
    }
  ]
}
```

```json Invalid Request theme={null}
{
  "data": null,
  "errors": [
    { "error": "INVALID_REQUEST", "message": "Missing or invalid samples array" }
  ]
}
```

***

Docs for agents: [llms.txt](https://docs.bland.ai/llms.txt)


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