---
title: "Fork Workflow Variant"
method: POST
path: "/workflows/variants/fork"
tags: ["Workflows"]
---

# Fork Workflow Variant

`POST /workflows/variants/fork`

## Request body

- WorkflowVariantForkRequest
  - `workflow_variant` WorkflowVariantFork, required
    - `flags` WorkflowVariantFlags
      - `is_application` boolean
      - `is_evaluator` boolean
      - `is_snippet` boolean
    - `tags` object, nullable
    - `meta` object, nullable
    - `name` string, nullable
    - `description` string, nullable
    - `slug` string, nullable
  - `workflow_variant_ref` Reference, required
    - `version` string, nullable
    - `slug` string, nullable
    - `id` string, uuid, nullable
  - `workflow_revision_ref` Reference
    - `version` string, nullable
    - `slug` string, nullable
    - `id` string, uuid, nullable

## Response `200`

Successful Response

- WorkflowVariantResponse
  - `count` integer — `1` when a variant is returned, `0` when none matched.
  - `workflow_variant` WorkflowVariant
    - `workflow_slug` string, nullable
    - `artifact_slug` string, nullable
    - `workflow_id` string, uuid, nullable
    - `artifact_id` string, uuid, nullable
    - `flags` WorkflowVariantFlags
      - `is_application` boolean
      - `is_evaluator` boolean
      - `is_snippet` boolean
    - `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

## Changes

- **2026-07-25** `5a14788d939f` — 2 breaking, 1 warning, 1 info
  - added the new required request property `workflow_variant`
  - added the new required request property `workflow_variant_ref`
  - removed the request property `workflow`
  - added the new optional request property `workflow_revision_ref`
- **2026-05-23** `2040366204e5` — 2 info
  - added the optional property `workflow_variant/anyOf[subschema #1: WorkflowVariant]/artifact_slug` to the response with the `200` status
  - added the optional property `workflow_variant/anyOf[subschema #1: WorkflowVariant]/workflow_slug` to the response with the `200` status
- **2026-05-22** `67e2a3c6952d` — 2 warning
  - removed the optional property `workflow_variant/anyOf[subschema #1: WorkflowVariant]/artifact_slug` from the response with the `200` status
  - removed the optional property `workflow_variant/anyOf[subschema #1: WorkflowVariant]/workflow_slug` from the response with the `200` status
- **2026-05-22** `ca3686e05842` — 2 info
  - added the optional property `workflow_variant/anyOf[subschema #1: WorkflowVariant]/artifact_slug` to the response with the `200` status
  - added the optional property `workflow_variant/anyOf[subschema #1: WorkflowVariant]/workflow_slug` to the response with the `200` status
- **2026-05-19** `a7f9a6823230` — 2 warning
  - removed the optional property `support_id` from the response with the `200` status
  - removed the optional property `support_ts` from the response with the `200` status

[Full history](https://skmtc.dev/agenta-ai/apis/agenta-api/changes/workflows/variants/fork/post.md)

---

[API](https://skmtc.dev/agenta-ai/apis/agenta-api.md) · [All operations](https://skmtc.dev/agenta-ai/apis/agenta-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agenta-ai/agenta-api/revisions/5a14788d939f/schema)