# Set Version Environment

> Set the environment for a specific prompt version

`POST https://api.helicone.ai/v1/prompt-2025/update/environment`

Updates the environment for a specific prompt version. Environments can be "production", "staging", "development", or any custom environment name.

### Request Body

<ParamField body="promptId" type="string" required>
  The unique identifier of the prompt
</ParamField>

<ParamField body="promptVersionId" type="string" required>
  The unique identifier of the prompt version to update
</ParamField>

<ParamField body="environment" type="string" required>
  The environment to set for this version (e.g., "production", "staging", "development")
</ParamField>

### Response

Returns `null` on successful update.