---
title: "bytedance-seedream-v4 (balanced)"
method: POST
path: "/api/v1/bytedance-seedream-v4.5"
tags: ["Image: Text-to-Image"]
---

# bytedance-seedream-v4 (balanced)

`POST /api/v1/bytedance-seedream-v4.5`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/bytedance-seedream-v4.5`
- Auth: one of:
  - API key in header `x-api-key`
  - OAuth 2 (client credentials, token URL `https://api.muapi.ai/oauth/token`)

Generate 4K images from text using Seedream v4 with excellent text rendering. Input: text prompt. Output: 4K image. Use for: ultra-high-resolution generation, marketing images.

## Query parameters

- `webhook` string
- `team_id` integer, nullable

## Headers

- `x-api-key` string
- `x-embed-code` string, nullable
- `x-agent-embed-code` string, nullable
- `x-whitelabel-studio` string, nullable
- `authorization` string, nullable

## Request body

- Seedreamv45Request
  - `prompt` string, required
  - `aspect_ratio` '16:9' | '9:16' | '1:1' | '4:3' | '3:4' | '3:2' | '2:3' | '21:9'
  - `quality` 'high' | 'basic'
  - `webhook_url` string, uri, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/muapi/apis/muapi-api.md) · [All operations](https://skmtc.dev/muapi/apis/muapi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/muapi/apis/muapi-api/revisions/e4b7374381e5?raw)