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MODEL ID runware:500@1
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Clarity

Clarity is an image upscaling model focused on boosting perceived detail during 2× to 4× enlargement, keeping structure stable while enhancing texture and small features for cleaner, higher-impact images.

Clarity

API Options

Platform-level options for task execution and delivery.

taskType

string required value: upscale

Identifier for the type of task being performed

taskUUID

string required UUID v4

UUID v4 identifier for tracking tasks and matching async responses. Must be unique per task.

outputType

string default: URL

Image output type.

Allowed values 3 values

outputFormat

string default: JPG

Specifies the file format of the generated output. The available values depend on the task type and the specific model's capabilities.

  • `JPG`: Best for photorealistic images with smaller file sizes (no transparency).
  • `PNG`: Lossless compression, supports high quality and transparency (alpha channel).
  • `WEBP`: Modern format providing superior compression and transparency support.
**Transparency**: If you are using features like background removal or LayerDiffuse that require transparency, you must select a format that supports an alpha channel (e.g., `PNG`, `WEBP`, `TIFF`). `JPG` does not support transparency.
Allowed values 3 values

outputQuality

integer min: 20 max: 99 default: 95

Compression quality of the output. Higher values preserve quality but increase file size.

webhookURL

string URI

Specifies a webhook URL where JSON responses will be sent via HTTP POST when generation tasks complete. For batch requests with multiple results, each completed item triggers a separate webhook call as it becomes available.

Learn more 1 resource

deliveryMethod

string default: sync

Determines how the API delivers task results.

Allowed values 2 values
Returns complete results directly in the API response.
Returns an immediate acknowledgment with the task UUID. Poll for results using getResponse.
Learn more 1 resource

uploadEndpoint

string URI

Specifies a URL where the generated content will be automatically uploaded using the HTTP PUT method. The raw binary data of the media file is sent directly as the request body. For secure uploads to cloud storage, use presigned URLs that include temporary authentication credentials.

Common use cases:

  • Cloud storage: Upload directly to S3 buckets, Google Cloud Storage, or Azure Blob Storage using presigned URLs.
  • CDN integration: Upload to content delivery networks for immediate distribution. 
// S3 presigned URL for secure upload
https://your-bucket.s3.amazonaws.com/generated/content.mp4?X-Amz-Signature=abc123&X-Amz-Expires=3600

// Google Cloud Storage presigned URL
https://storage.googleapis.com/your-bucket/content.jpg?X-Goog-Signature=xyz789

// Custom storage endpoint
https://storage.example.com/uploads/generated-image.jpg

The content data will be sent as the request body to the specified URL when generation is complete.

ttl

integer min: 60

Time-to-live (TTL) in seconds for generated content. Only applies when outputType is URL.

includeCost

boolean default: false

Include task cost in the response.

Inputs

Input resources for the task (images, audio, etc). These must be nested inside the inputs object.
inputs » image

image

string required

Image input (UUID, URL, Data URI, or Base64).

Generation Parameters

Core parameters for controlling the generated content.

model

string required value: runware:500@1

Identifier of the model to use for generation.

Learn more 3 resources

upscaleFactor

integer

Factor by which to upscale the generated image. A value of 2 doubles width and height.

Allowed values 1 value

Settings

Technical parameters to fine-tune the inference process. These must be nested inside the settings object.
settings » positivePrompt

positivePrompt

string

Text prompt describing elements to include in the generated output.

Learn more 2 resources
settings » negativePrompt

negativePrompt

string

Prompt to guide what to exclude from generation. Ignored when guidance is disabled (CFGScale ≤ 1).

Learn more 1 resource
settings » seed

seed

integer min: 0 max: 9223372036854776000

Random seed for reproducible generation. When not provided, a random seed is generated in the unsigned 32-bit range.

Learn more 1 resource
settings » steps

steps

integer min: 1

Total number of denoising steps. Higher values generally produce more detailed results but take longer.

Learn more 1 resource
settings » scheduler

scheduler

string

Scheduler to use for the diffusion process.

Allowed values 75 values
Learn more 2 resources
settings » CFGScale

CFGScale

float min: 0 step: 0.01

Guidance scale representing how closely the output will resemble the prompt. Higher values produce results more aligned with the prompt.

Learn more 1 resource
settings » strength

strength

float min: 0 max: 1 step: 0.01 default: 0.8

Strength of the transformation. Lower values result in more influence from the original input.

Learn more 3 resources
settings » controlNetWeight

controlNetWeight

float min: -4 max: 4 step: 0.01 default: 1

Strength of the ControlNet influence. A value of 0 means no influence. Higher values increase the influence, and negative values can be used to steer away from the guide image.

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