Get a version

GET /api/v1/prompts/{slug}/versions/{label} - read one specific prompt version by its label, regardless of which version is live.

Reads one specific version of a prompt by its label, regardless of which version is currently live or staged. Useful for pinning to an exact version or auditing historical prompt content.

GET /api/v1/prompts/{slug}/versions/{label}

Path parameters

Parameter	Notes
`slug`	The prompt's workspace-unique slug.
`label`	The version label to fetch, e.g. `v21`.

Request

curl https://app.promptvlt.com/api/v1/prompts/support-triage/versions/v21 \
  -H "Authorization: Bearer pv_live_xxxxxxxxxxxxxxxxxxxx"

Response

{
  "slug": "support-triage",
  "folder": "support",
  "model": "gpt-4o",
  "temperature": 0.2,
  "version": "v21",
  "source": "You are a support triage assistant...",
  "systemSource": "You are a support triage assistant...",
  "userSource": "Classify the ticket: {{ticket}}"
}

Fields

Field	Type	Notes
`slug`	string	The prompt's slug.
`folder`	string	Sidebar grouping.
`model`	string	Model hint saved on the prompt.
`temperature`	number	Suggested generation temperature.
`version`	string	The requested version label.
`source`	string	The full prompt body at this version.
`systemSource`	string	System-role content at this version.
`userSource`	string	User-role content at this version.

Errors

Status	Meaning
`404`	The prompt slug, or the version label within it, does not exist.