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

# Fork Workflow Variant

`POST /workflows/variants/fork`

## Request body

- WorkflowForkRequest
  - `workflow` WorkflowFork, required
    - `workflow_revision` WorkflowRevisionFork
      - `flags` WorkflowRevisionFlags
        - `is_application` boolean
        - `is_evaluator` boolean
        - `is_snippet` boolean
        - `is_managed` boolean
        - `is_custom` boolean
        - `is_llm` boolean
        - `is_hook` boolean
        - `is_code` boolean
        - `is_match` boolean
        - `is_feedback` boolean
        - `is_chat` boolean
        - `has_url` boolean
        - `has_script` boolean
        - `has_handler` boolean
      - `tags` object, nullable
      - `meta` object, nullable
      - `name` string, nullable
      - `description` string, nullable
      - `slug` string, nullable
      - `data` WorkflowRevisionDataInput
        - `uri` string, nullable
        - `url` string, nullable
        - `headers` object, nullable
        - `runtime` 'python' | 'typescript' | 'javascript', nullable
        - `script` string, nullable
        - `schemas` JsonSchemasInput
          - `parameters` object, nullable
          - `inputs` object, nullable
          - `outputs` object, nullable
        - `parameters` object, nullable
      - `message` string, nullable
    - `revision` RevisionFork
      - `flags` object, nullable
      - `tags` object, nullable
      - `meta` object, nullable
      - `name` string, nullable
      - `description` string, nullable
      - `slug` string, nullable
      - `data` object, nullable
      - `message` string, nullable
    - `workflow_revision_id` string, uuid, nullable
    - `revision_id` string, uuid, nullable
    - `workflow_variant` WorkflowVariantFork
      - `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
    - `variant` VariantFork
      - `flags` object, nullable
      - `tags` object, nullable
      - `meta` object, nullable
      - `name` string, nullable
      - `description` string, nullable
      - `slug` string, nullable
    - `workflow_variant_id` string, uuid, nullable
    - `variant_id` string, uuid, nullable
    - `workflow_id` string, uuid, nullable
    - `artifact_id` string, uuid, nullable
    - `depth` integer, 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

- **2026-05-23** `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
- …earlier changes not shown

[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/06e03dbce2be/schema)