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Getting Started

Quickstart Authentication Errors Rate limits

Core

POST /remove POST /remove-url POST /replace-bg

Batch

POST /remove-batch POST /remove-batch-url

Cutout variants

POST /mask POST /sticker POST /outline POST /smart-crop POST /silhouette POST /inpaint

Composition

POST /shadow POST /studio-shot POST /headshot POST /compare POST /collage POST /psd

Enhancement

POST /upscale POST /face-restore POST /colorize

Video

POST /video/remove GET /jobs/{job_id}

Utility

POST /preview GET·POST·DELETE /presets POST /estimate GET /health GET /stats GET /

SDKs

@useknockout/node @useknockout/react @useknockout/cli Python

Self-hosting

On Modal On your own GPU

SDKs

cli

SDK reference page draft. See the install snippets in the Quickstart for the time being.

Page draft: full reference shipping with v1.

useknockout

Open-source background removal API for developers.

MIT licensed · BiRefNet on Modal GPUs

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Product

Docs API reference Pricing Self-hosting

SDKs

@useknockout/node @useknockout/react @useknockout/cli Python

Company

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