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API Watermark

Add watermarks to images at scale. Drag-and-drop UI or integrate our REST API into your workflow.

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Overview

Add watermarks to images at scale. Drag-and-drop UI or integrate our REST API into your workflow. Text, image, and tiled watermarks with full opacity control.

AI summary

API Watermark appears to be a tool designed for adding watermarks to images, videos, and PDFs at scale, offering both a drag-and-drop interface and a REST API for integration into existing workflows.

Who Is It For

Best for

Photographers, e-commerce platforms, and document platforms looking for a straightforward way to watermark large volumes of media.

Not for

Users seeking advanced image editing features beyond watermarking or those who require extensive integrations with other software.

Strengths & Weaknesses

Biggest strength

The ability to process large batches of files quickly, with options for both immediate and asynchronous processing.

Biggest weakness

Limited visibility into pricing details and potential integrations, which may hinder decision-making for some users. (AI-inferred; may be outdated – founders can correct this)

Classification

Likely competitors
WatermarklyuMarkVisual WatermarkPicMarkr

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How we sourced this: Observed fields () were crawled from https://apiwatermark.com/ and are stated as fact. AI-inferred fields () were generated by gpt-4o-mini and are always labelled – never presented as measured fact. Last updated: 12 August 2026. Is this your tool? Claim it to edit and get a do-follow badge.