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Watermark API
by Info Inlet Inc.
This product includes a free trial. Duration and usage limits may vary by offer and publisher.
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Add text watermark to images (PNG/JPEG) or every PDF page.
Watermark API — Add text watermark to images (PNG/JPEG) or every PDF page.
What you get
- POST /v1/watermark/image · POST /v1/watermark/pdf — primary endpoint.
- X-API-Key authentication, per-key rate limits, audit log.
- OpenRouter-backed where AI is involved — no model keys to manage on your side.
- Interactive Swagger docs at api-watermark.knowlez.com/docs.
Plans
- Starter — $9/mo · 5,000 ops included · $0.001/op overage.
- Pro — $29/mo · 50,000 ops included · $0.0007/op overage.
At a glance
https://catalogartifact.azureedge.net/publicartifacts/info-inlet-inc.api-watermark-a4d89c4b-ab90-4441-bb19-9951ce60de45/image0_screenshot1280x720.png