MediaIO Seedream Image Generator Skill

Overview

This skill provides access to ByteDance Seedream 4.0 through the Media.io OpenAPI. Seedream is a versatile powerhouse supporting 4K generation and advanced editing, ensuring character and style consistency.

Trigger Keywords

Use this skill when you hear:

• "Seedream", "Seedream AI", "Seedream image generator"
• "Generate image with Seedream"
• "Seedream 4.0 image generation"

Requirements

Environment Variables

| Variable | Required | Description |

|----------|----------|-------------|

| API_KEY | Yes | Media.io OpenAPI key, sent as X-API-KEY header. Apply at . |

API Details

Seedream 4.0 Image-to-Image

• API Name: Seedream 4.0
• Model Code: i2i-seedream-v4-0
• Endpoint: POST https://openapi.media.io/generation/seedream/i2i-seedream-v4-0
• Description: A versatile powerhouse supporting 4K generation and advanced editing, ensuring character and style consistency.

Key Features

• High aesthetic quality image generation
• Detailed rendering capabilities
• Text-to-image support
• Image-to-image support
• Character consistency
• Style consistency
• Up to 4K resolution

Request Parameters

| Parameter | Type | Required | Description |

|-----------|------|----------|-------------|

| prompt | string | Yes | Text description for image generation |

| image | string | No | Reference image URL for image-to-image |

| ratio | string | No | Image aspect ratio |

| strength | string | No | How strongly to follow the reference image (for i2i) |

Common Response Structure

{
  "code": 0,
  "msg": "",
  "data": {
    "task_id": "..."
  },
  "trace_id": "..."
}

Quick Start

1) Install Dependency

pip install requests

2) Initialize Skill

import os
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

3) Configure Environment Variable API_KEY

Windows PowerShell:

$env:API_KEY="your-api-key"

macOS / Linux (bash/zsh):

export API_KEY="your-api-key"

Usage Examples (Python)

Image-to-Image Generation

import os
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

result = skill.invoke(
    'Seedream 4.0',
    {
        'prompt': 'a beautiful landscape painting, vibrant colors, artistic style',
        'image': 'https://example.com/reference-image.jpg',
        'ratio': '16:9'
    },
    api_key=api_key
)
print(result)  # Returns task_id when code=0

Query Task Result

import os
import time
from scripts.skill_router import Skill

skill = Skill('scripts/c_api_doc_detail.json')
api_key = os.getenv('API_KEY', '')
if not api_key:
    raise RuntimeError('API_KEY is not set')

task_id = 'your-task-id'

for _ in range(24):
    r = skill.invoke('Task Result', {'task_id': task_id}, api_key=api_key)
    print(r)
    status = (r.get('data') or {}).get('status')
    if status in ('completed', 'failed', 'succeeded'):
        break
    time.sleep(5)

Task Status Reference

• waiting: queued
• processing: running
• completed: completed successfully
• failed: failed
• timeout: timed out

Error Handling

| Error Code | Description |

|------------|-------------|

| 374004 | Not authenticated. Apply for an APP KEY at https://developer.media.io/ |

| 490505 | Insufficient credits. Recharge before invoking generation APIs |

External Resources

• API documentation: https://platform.media.io/docs/
• Product overview: https://developer.media.io/
• Credit purchase: https://developer.media.io/pricing.html

Related Files

• scripts/skill_router.py: core routing logic
• scripts/c_api_doc_detail.json: API definitions