---
title: "Fork Environment Variant"
method: POST
path: "/environments/variants/fork"
tags: ["Environments"]
---

# Fork Environment Variant

`POST /environments/variants/fork`

Fork an existing environment variant into a new variant.

The new variant starts from the source variant's head revision (or a
pinned revision if `environment_revision_ref` is provided). Provide
`slug` and `name` in the fork body to identify the new variant.

## Request body

- EnvironmentVariantForkRequest
  - `environment_variant` EnvironmentVariantFork, required
    - `flags` object, nullable
    - `tags` object, nullable
    - `meta` object, nullable
    - `name` string, nullable
    - `description` string, nullable
    - `slug` string, nullable
  - `environment_variant_ref` Reference, required
    - `version` string, nullable
    - `slug` string, nullable
    - `id` string, uuid, nullable
  - `environment_revision_ref` Reference
    - `version` string, nullable
    - `slug` string, nullable
    - `id` string, uuid, nullable

## Response `200`

Successful Response

- EnvironmentVariantResponse
  - `count` integer
  - `environment_variant` EnvironmentVariant
    - `environment_slug` string, nullable
    - `artifact_slug` string, nullable
    - `environment_id` string, uuid, nullable
    - `artifact_id` string, uuid, nullable
    - `flags` object, nullable
    - `tags` object, nullable
    - `meta` object, nullable
    - `name` string, nullable
    - `description` string, nullable
    - `created_at` string, date-time, nullable
    - `updated_at` string, date-time, nullable
    - `deleted_at` string, date-time, nullable
    - `created_by_id` string, uuid, nullable
    - `updated_by_id` string, uuid, nullable
    - `deleted_by_id` string, uuid, nullable
    - `slug` string, nullable
    - `id` string, uuid, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/agenta-ai/apis/agenta-api.md) · [All operations](https://skmtc.net/agenta-ai/apis/agenta-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/agenta-ai/agenta-api/revisions/ea6421d829f1/schema)