---
title: "Delete Agent Version By Label"
method: DELETE
path: "/v1/agents/{agent_id}/versions"
tags: ["Agent Versions"]
---

# Delete Agent Version By Label

`DELETE /v1/agents/{agent_id}/versions`

delete a prompt version by label.

- if label is production -> 400 (must move production first)
- if label resolves to 0 -> 404; >1 -> 400 ambiguous (except latest which should be unique)
- if deleting latest, reassign latest to highest remaining version
- cannot delete if it is the only version

## Path parameters

- `agent_id` integer, required

## Query parameters

- `label` string, nullable

## Headers

- `X-Organization-Id` string
- `X-API-Key` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-10** `547d989af0ef` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/getbluejay/apis/bluejay-api/changes/v1/agents/:agent_id/versions/delete.md)

---

[API](https://skmtc.dev/getbluejay/apis/bluejay-api.md) · [All operations](https://skmtc.dev/getbluejay/apis/bluejay-api/llms.txt) · [OpenAPI document](https://skmtc.dev/getbluejay/apis/bluejay-api/revisions/7023c3be2d5e?raw)