Question: Do you know of a solution that can upscale images without losing quality and also offers an API interface for integration with other applications?

If you need something that can upscale images without degrading quality and that exposes an API, Let's Enhance is a top contender. This AI-powered service can upscale images to 4K and beyond, and is geared for creative pros and businesses that want to increase print sizes, edit product photos and spruce up mobile photos for the web. It can be used with APIs for print-on-demand and business apps, and has tiered pricing and a free trial.

Another serious contender is Remini, which uses AI to turn cruddy photos and videos into high-resolution images. Remini has features like face tuning, color tuning and noise reduction, and it can upscale photos and videos up to 2x without losing quality. It's available through a simple API, so it's easy to add to other apps, and it's good for social media, preserving heritage, print services, e-commerce and education.

If you want an image editing and enhancement service, AILab Tools is a good option. It uses AI to retouch portraits, remove backgrounds and upscale images without losing quality. It also offers an API interface for building image processing into other apps, so it's good for photographers, e-commerce site operators and people who want to edit and improve their own photos.

Last, Viesus offers a cloud-based AI service that improves and upscales photos, with a web app and API for automation. It's got tools for global color correction, face reconstruction and more, and its API can automatically process groups of images, so it's good for small and medium-sized businesses that want to automate their image processing.