---
title: "Virtual try-on (v2)"
method: POST
path: "/v1/flux-tools/vto-v2"
tags: ["Models"]
---

# Virtual try-on (v2)

`POST /v1/flux-tools/vto-v2`

Submits a virtual try-on task against the v2 model. Identical request shape to /vto-v1, with reference and output resolution supported up to 4MP. Person and garment images are mapped to the underlying input image slots. An edit instruction is generated from the person and garment images, with the supplied prompt used as a fallback.

## Request body

- Flux2KleinTryonInputs — Input model for FLUX.2 Klein VTO endpoint. Exposes only person/garment image fields for cleaner API ergonomics.
  - `prompt` string, required — Text prompt for VTO generation.
  - `person` string, required — Person image (maps internally to input_image).
  - `garment` string, required — Image of one more garments (maps internally to input_image_2).
  - `seed` integer, nullable — Optional seed for reproducibility.
  - `safety_tolerance` integer — Tolerance level for input and output moderation. Between 0 and 5 for public use.
  - `output_format` 'jpeg' | 'png' | 'webp'
  - `webhook_url` string, uri, nullable — URL to receive webhook notifications
  - `webhook_secret` string, nullable — Optional secret for webhook signature verification

## Response `200`

Successful Response

- union
  - AsyncResponse
    - `id` string, required
    - `polling_url` string, required
    - `cost` number, nullable — Cost in credits for this request
    - `input_mp` number, nullable — Input megapixels (2 decimal places)
    - `output_mp` number, nullable — Output megapixels (2 decimal places)
  - AsyncWebhookResponse
    - `id` string, required
    - `status` string, required
    - `webhook_url` string, required
    - `cost` number, nullable — Cost in credits for this request
    - `input_mp` number, nullable — Input megapixels (2 decimal places)
    - `output_mp` number, nullable — Output megapixels (2 decimal places)

## Other responses

- `422` — Validation Error

## Changes

- **2026-07-26** `2c2dcc42fd9a` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/bfl/apis/bfl-api/changes/v1/flux-tools/vto-v2/post.md)

---

[API](https://skmtc.dev/bfl/apis/bfl-api.md) · [All operations](https://skmtc.dev/bfl/apis/bfl-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/bfl/bfl-api/revisions/23cc1eaa9447/schema)