Wan 2.6 Text to Image: Reference-Aware Prompt-to-Image Generation on playground and API | RunComfy
Generate high-quality, reference-aware images from text prompts with precise style and identity control, ideal for brand visuals, ad creatives, and e-commerce product imagery.
Table of contents
1. Get started
Use RunComfy's API to run wan-ai/wan-2-6/text-to-image. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/wan-ai/wan-2-6/text-to-image \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Font design showcasing charming 3D plush yellow text 'Wan 2.6' crafted with ultra-soft, fluffy fur, featuring intricate, high-definition details and realistic texture. Each letter appears tactile, plump, and velvety. Set against a sleek dark gradient background with subtle lighting to enhance depth and contrast, rendered in stunning 16K resolution. Emphasizes ultimate cuteness, warmth, and the inviting softness of the fur."
}'2. Authentication
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.
3. API reference
Submit a request
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/wan-ai/wan-2-6/text-to-image \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Font design showcasing charming 3D plush yellow text 'Wan 2.6' crafted with ultra-soft, fluffy fur, featuring intricate, high-definition details and realistic texture. Each letter appears tactile, plump, and velvety. Set against a sleek dark gradient background with subtle lighting to enhance depth and contrast, rendered in stunning 16K resolution. Emphasizes ultimate cuteness, warmth, and the inviting softness of the fur."
}'Monitor request status
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 request results
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 request
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>"4. File inputs
Hosted file (URL)
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.
5. Schema
Input schema
{
"type": "object",
"title": "Input",
"required": [
"prompt"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "The prompt should be less than 2000 characters.",
"type": "string",
"default": "Font design showcasing charming 3D plush yellow text 'Wan 2.6' crafted with ultra-soft, fluffy fur, featuring intricate, high-definition details and realistic texture. Each letter appears tactile, plump, and velvety. Set against a sleek dark gradient background with subtle lighting to enhance depth and contrast, rendered in stunning 16K resolution. Emphasizes ultimate cuteness, warmth, and the inviting softness of the fur."
},
"image_url": {
"title": "Image",
"description": "Optional reference image. Supported formats: JPEG, JPG, PNG (no alpha), BMP, WEBP. Resolution per side: 384~5000 px. Max size: 10 MB.",
"type": "string",
"validations": [
{
"validation_rule": "file_size_mb<=",
"validation_value": 10,
"validation_error": "File size must be less than or equal to 10 MB."
},
{
"validation_rule": "width_pixels>=",
"validation_value": 384,
"validation_error": "The uploaded image width and height must be at least 384 pixels."
},
{
"validation_rule": "height_pixels>=",
"validation_value": 384,
"validation_error": "The uploaded image width and height must be at least 384 pixels."
},
{
"validation_rule": "width_pixels<=",
"validation_value": 5000,
"validation_error": "The uploaded image width and height must not exceed 5000 pixels."
},
{
"validation_rule": "height_pixels<=",
"validation_value": 5000,
"validation_error": "The uploaded image width and height must not exceed 5000 pixels."
}
]
},
"negative_prompt": {
"title": "Negative Prompt",
"description": "Content to avoid in the generated image.",
"type": "string",
"maxLength": 500
},
"image_size": {
"title": "Aspect Ratio (W:H)",
"description": "",
"type": "string",
"enum": [
"1024*1024 (1:1)",
"800*1200 (2:3)",
"1200*800 (3:2)",
"960*1280 (3:4)",
"1280*960 (4:3)",
"720*1280 (9:16)",
"1280*720 (16:9)",
"1344*576 (21:9)"
],
"default": "1024*1024 (1:1)"
},
"max_images": {
"title": "Max Images",
"description": "The maximum number of images to generate. The actual number of generated images is determined by model inference and may be less than the set value. For example, if set to 5, the model might generate only 3 images based on the content.",
"type": "integer",
"default": 1,
"minimum": 1,
"maximum": 5
},
"seed": {
"title": "Seed",
"description": "",
"type": "integer",
"default": 0,
"minimum": 0,
"maximum": 2147483647
}
}
}Output schema
{
"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 is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.