Use RunComfy's API to run bytedance/seedream-4-0/edit-sequential. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedream-4-0/edit-sequential \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"images": [],
"text": "Generate 3 images of a beautiful sunset over a calm ocean."
}'Set the YOUR_API_TOKEN environment variable with your API key (manage keys in your Profile) and include it on every request as a Bearer token via the Authorization header: Authorization: Bearer $YOUR_API_TOKEN.
Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedream-4-0/edit-sequential \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"images": [],
"text": "Generate 3 images of a beautiful sunset over a calm ocean."
}'Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
--header "Authorization: Bearer <token>"Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
--header "Authorization: Bearer <token>"Cancel a queued job by request_id, in-progress jobs cannot be cancelled.
curl --request POST \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
--header "Authorization: Bearer <token>"Provide a publicly reachable HTTPS URL. Ensure the host allows server‑side fetches (no login/cookies required) and isn't rate‑limited or blocking bots. Recommended limits: images ≤ 50 MB (~4K), videos ≤ 100 MB (~2–5 min @ 720p). Prefer stable or pre‑signed URLs for private assets.
{
"type": "object",
"title": "Input",
"required": [
"images",
"text"
],
"properties": {
"images": {
"title": "Images",
"description": "Upload 1~10 images, must be jpeg or png",
"type": "array",
"items": {
"type": "string",
"format": "image_uri"
},
"validations": [
{
"validation_rule": "file_size_mb<",
"validation_value": 10,
"validation_error": "File size must be less than 10 MB."
},
{
"validation_rule": "width/height>",
"validation_value": 0.33,
"validation_error": "The aspect ratio range should be 1:3 to 3:1."
},
{
"validation_rule": "width/height<",
"validation_value": 3,
"validation_error": "The aspect ratio range should be 1:3 to 3:1."
},
{
"validation_rule": "width_pixels>",
"validation_value": 14,
"validation_error": "The uploaded image width and height must exceed 14 pixels."
},
{
"validation_rule": "height_pixels>",
"validation_value": 14,
"validation_error": "The uploaded image width and height must exceed 14 pixels."
},
{
"validation_rule": "width_pixels<",
"validation_value": 6000,
"validation_error": "The uploaded image width and height must not exceed 6000 pixels."
},
{
"validation_rule": "height_pixels<",
"validation_value": 6000,
"validation_error": "The uploaded image width and height must not exceed 6000 pixels."
}
],
"maxItems": 10,
"minItems": 1
},
"text": {
"title": "Prompt",
"description": "Your prompt needs to contain the number of images you want to generate. Example: 'Generate 3 images of a beautiful sunset over a calm ocean.'",
"type": "string",
"default": "Generate 3 images of a beautiful sunset over a calm ocean.",
"maxLength": 600
},
"image_size": {
"title": "Aspect Ratio (W:H)",
"description": "The aspect ratio of the image to generate.",
"type": "string",
"enum": [
"2048:2048 (1:1)",
"2304:1728 (4:3)",
"1728:2304 (3:4)",
"2560:1440 (16:9)",
"1440:2560 (9:16)",
"2496:1664 (3:2)",
"1664:2496 (2:3)",
"3024:1296 (21:9)"
],
"default": "2560:1440 (16:9)"
},
"seed": {
"title": "Seed",
"description": "",
"type": "integer"
},
"sequential_image_generation_options": {
"title": "Maximum Number of Generated Images",
"description": "Sets the maximum number of images to generate. The actual number of images that can be generated also depends on the number of reference images provided. The final price will be calculated based on this value.",
"type": "integer",
"enum": [
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15
],
"default": 3
},
"optimize_prompt_options": {
"title": "Optimize Prompt",
"description": "Standard mode produces higher-quality content but takes longer to generate. Fast mode generates content more quickly, with lower quality.",
"type": "string",
"enum": [
"fast",
"standard"
],
"default": "fast"
}
}
}{
"output": {
"type": "object",
"properties": {
"image": {
"type": "string",
"format": "uri",
"description": "single image URL"
},
"video": {
"type": "string",
"format": "uri",
"description": "single video URL"
},
"images": {
"type": "array",
"description": "multiple image URLs",
"items": { "type": "string", "format": "uri" }
},
"videos": {
"type": "array",
"description": "multiple video URLs",
"items": { "type": "string", "format": "uri" }
}
}
}
}RunComfy 是首选的 ComfyUI 平台，提供 ComfyUI 在线 环境和服务，以及 ComfyUI 工作流 具有惊艳的视觉效果。 RunComfy还提供 AI Models, 帮助艺术家利用最新的AI工具创作出令人惊叹的艺术作品。