Seedream 5.0 Pro

by SeedreamImage

Seedream 5.0 Pro API by Seedream on TTAPI supports text-to-image, image-to-image, multi-image fusion, layer decomposition, interactive editing, and high-density visual content workflows.

InputsText + imageup to 10 references
Output2KPro and Flash
FlowAsync + Syncid or image result
Pricefrom 0.675quota
Tea flavor-wheel infographic — Seedream official text-to-image exampleTea flavor-wheel infographicExample 01
Futuristic sports car blueprint — Seedream official text-to-image exampleFuturistic sports car blueprintExample 02
RPG stats interface — Seedream official text-to-image exampleRPG stats interfaceExample 03
Montessori education poster — Seedream official text-to-image exampleMontessori education posterExample 04
Examples

Seedream official image examples

Design an educational tea infographic with a watercolor flavor wheel, oxidation chart, brewing temperatures, and rice-paper texture.

Design a warm pet-store hero banner where a golden retriever reaches beyond its frame toward the call-to-action.

Photograph a father gently combing his daughter’s hair in their living room with believable family warmth and natural light.

Draw a futuristic sports car blueprint with front, side, rear and exploded assembly views plus dimension lines.

Produce sixteen numbered graphite storyboard panels of a medieval cavalry charge in a professional film-sketch layout.

Compose a 16:9 classroom infographic explaining Chomsky linguistic theory with organized labels and cool academic colors.

Turn the restaurant’s recommended dishes into an Italian Kitchen menu with readable dish names and appetizing images.

Create a dense RPG character screen with statistics, progress graphs, topographic map and restrained gold accents.

Make a parent-friendly vertical Montessori infographic in ivory, wood and sage tones with clear diagrams and readable headings.

Capabilities

What you can build with Seedream 5.0 Pro

Text to image

Create high-density visuals, posters, illustrations, and realistic photography from a prompt.

Image editing

Edit one reference image with a natural-language instruction while preserving its structure.

Multi-image fusion

Combine two to ten reference images into a unified composition.

Layer and interactive editing

Split an image into layers or use coordinates and annotations for targeted edits.

Pricing

Per-action, in quota

Usage is metered in quota by model, action, and output settings.

Seedream Pro pricingOfficial pricing
Model / operationSpecPromo priceOriginal
doubao-seedream-5-0-pro1.5K1.35 quota4.5 quota
doubao-seedream-5-0-pro2K2.7 quota9 quota
doubao-seedream-5-0-proLayer split 1.5K0.675 quota2.25 quota
doubao-seedream-5-0-proLayer split 2K1.35 quota4.5 quota
doubao-seedream-5-0-proInput0.09 quota0.3 quota
API request

Headers and submit parameters

Use the endpoint below with your TTAPI key and the request fields shown.

Generate asyncPOST
/sd/api/v3/images/generations/tasks

Submit Seedream text, reference, fusion, layer, or interactive-edit task.

Official reference
FetchGET
/sd/api/v3/images/generations/tasks/{id}

Retrieve a Seedream asynchronous task using the returned id.

Official reference
Generate syncPOST
/sd/api/v3/images/generations

Generate a Seedream image synchronously from text.

Official reference
POSThttps://api.ttapi.io/sd/api/v3/images/generations/tasks

Headers

TT-API-KEYstringrequired

TTAPI API key sent in the request header.

Content-Typestringrequired

application/json.

Body

modelenumrequired

Seedream model ID: doubao-seedream-5-0-pro-260628 or doubao-seedream-5-0-flash-260915.

promptstringrequired

Prompt describing the image or edit.

imagestring | string[]conditional

Required for image workflows: one URL string for image-to-image, interactive edit, or layer decomposition; an array of 2–10 URLs for multi-image fusion. Image-to-image supports jpeg/png/webp/bmp/tiff/gif/heic/heif, aspect ratio 1:16–16:1, up to 30 MB.

sizestringoptional

Generation: 1K, 1.5K, 2K (default), or pixel values such as 2048x1024. Layer decomposition: 1K, 1.5K, 2K, or auto (default, preserves input size); pixel values are not supported for layers.

output_formatenumoptional

png or jpeg; defaults to jpeg.

response_formatenumoptional

url or b64_json; defaults to url. Download URLs are valid for 24 hours.

backgroundenumoptional

transparent or opaque (default). Transparent backgrounds are for image-to-image with an alpha-channel input; output defaults to png. Not listed in the text-to-image, multi-image, interactive-edit, or layer-decomposition workflow schemas.

watermarkbooleanoptional

Whether to add the AI Generated watermark; defaults to true.

optimize_prompt_optionsobjectoptional

mode defaults to standard. fast reduces generation time but is not supported by Seedream 5.0 Flash.

layer_decompositionbooleanconditional

Defaults to false. Set true with image and a prompt using <bbox> coordinates for layer decomposition, up to 16 layers. Both Pro and Flash are listed. output_format controls the base image; layers are always png.

execution_expires_afterintegeroptional

Task timeout in seconds, 3600–259200; defaults to 172800.

priorityintegeroptional

Execution priority from 0 to 9; defaults to 0.

safety_identifierstringoptional

Hashed end-user identifier, maximum 64 characters.

Open the official TTAPI documentation
Integrate

From key to first result

Copy the resolved endpoint, authentication headers, and request body for this model.

curl --request POST \
  --url https://api.ttapi.io/sd/api/v3/images/generations/tasks \
  --header 'TT-API-KEY: $TTAPI_KEY' \
  --header 'Content-Type: application/json' \
  --data '{"model":"doubao-seedream-5-0-pro-260628","prompt":"A high-density infographic explaining the six major types of tea, with a watercolor flavor wheel and labeled brewing temperatures.","size":"2K","output_format":"jpeg","response_format":"url","watermark":false}'