Alternative
A free alternative to the Slazzer API
Slazzer is a solid background removal API. It supports batch processing, has a clean REST interface, and returns high quality cutouts. The problem is the same as every other API in this space: small free tier, per-call pricing, and a monthly bill that grows with usage.
Open the toolWhy people look for an alternative
- —Free tier is a small number of API calls per month.
- —Volume pricing means you prepay for credits you may not use.
- —Overages are billed automatically.
- —The pricing page is written to make comparison difficult.
Using the Remova endpoint
- 01POST the image file to /api/process/image.
- 02Set transparent=true if you want alpha, false for white.
- 03Batch endpoints are available for multiple files in one request.
- 04Read the PNG bytes from the response.
At a glance
| Feature | Remova | Slazzer API |
|---|---|---|
| Free tier | Rate-limited, no monthly cap | Small monthly cap |
| Overage billing | None | Automatic |
| Response format | PNG bytes | JSON with URL |
| Batch endpoint | Yes, up to 20 files | Yes, tiered |
| Account required | No | Yes |
Common questions
Is there a batch endpoint?
Yes. POST multiple files in one request and get back a ZIP. Limit is 20 images per request.
How do I handle errors?
Standard HTTP status codes. 4xx for bad requests, 5xx for backend issues, 429 for rate limits. The response body is JSON with an error field.
Is there a JS client library?
No. The request shape is simple enough that fetch is all you need.
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