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Background Remove API

BG removal as a service

Remove backgrounds from images via a simple API call. Send an image URL, get back a transparent PNG URL. Sub-second processing. Perfect for e-commerce, photo editing pipelines, and product catalogs.

Background Remove API before and after - Background Removed
Background Remove API before and after - Original Photo
Original Photo
Background Removed

How Background Remove API Works

Background Remove API uses a specialized segmentation model to isolate the foreground subject and remove the background from any image. Send a public image URL via a simple POST request, and the API returns a transparent PNG URL hosted on the FairStack CDN. Processing typically completes in under one second, making it suitable for real-time user-facing features. E-commerce platforms integrate this endpoint to automatically clean up product photos uploaded by sellers. Photo editing apps add one-click background removal as a feature. Content automation pipelines use it to prepare images for compositing onto new backgrounds. Any application that handles user-uploaded images can benefit from automated background removal without building or hosting the ML model yourself. For the cleanest cutouts, provide images where the subject has clear edges and contrast against the background. The model handles hair, fur, and translucent edges well but works best with well-lit subjects. Send images at their original resolution -- the model preserves full detail. At $0.005 per image, processing 10,000 product photos costs just $50.

How it works

1

Send a POST /v1/tools/bg-remove with image_url

2

AI removes the background in sub-second time

3

Get back the transparent PNG URL

What you'll get

High-resolution output ready for social, web, or print

Multiple style variations available per generation

Commercial-use license included with every output

PNG, JPG, or WebP format at up to 4K resolution

Instant download -- no watermarks, no waiting

Consistent quality powered by state-of-the-art AI models

Frequently asked questions

Do I need a subscription to use Background Remove API?
No. FairStack uses pay-per-use pricing. Add funds to your account and use any tool whenever you need it. There is no subscription, no monthly commitment, and no minimum spend.
What file formats does Background Remove API support?
Background Remove API outputs PNG, JPG, and WebP. You can download results instantly after generation. All outputs are full quality with no watermarks.
How long does Background Remove API take?
Most generations complete in 2-10 seconds. Processing time depends on the complexity of your input and the selected quality settings. You can monitor progress in real time.
Can I use Background Remove API outputs commercially?
Yes. All outputs generated on FairStack include a commercial-use license. You can use them in client work, products, marketing materials, social media, and any other commercial context.
What image formats are accepted and what is the output format?
Input images can be PNG, JPEG, or WebP provided as a public URL. The output is always a transparent PNG hosted on the FairStack CDN. The output resolution matches the input resolution. Images up to 4096x4096 pixels are supported.
Can I use the API output in commercial products?
Yes. The processed images are fully licensed for commercial use. Embed the functionality in your SaaS product, e-commerce platform, or mobile app without any per-user licensing fees beyond the per-image generation cost.
What is the throughput for bulk background removal?
Each API call processes one image in under 1 second. For bulk processing, submit multiple requests in parallel -- the API supports high concurrency. Processing 1,000 images concurrently typically completes in 2-3 minutes. Use webhooks for very large batches.

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