API Playground

Pick any API, paste your X-API-Key, tweak the body and fire a real request — everything happens in your browser.

Select API

Provides an invisible image watermark embedding API, enabling developers to quickly embed hidden watermarks into images and seamlessly integrate them into business systems.

Try it out

Paste your X-API-Key, tweak the body, and fire a real request. Great for integration & regression checks.

Endpoint

POSThttps://openapi.toolkk.com/v1/image-watermark-invisible-add

X-API-Key

Without an API key the request will go out anonymously and may be rejected by the gateway.

Request body (JSON)

Response

// Response will appear here after you send the request