Uploadcare vs Kraken
When comparing Uploadcare vs Kraken, the Slant community recommends Uploadcare for most people. In the question“What are the best cloud-based image processing services?” Uploadcare is ranked 1st while Kraken is ranked 3rd. The most important reason people chose Uploadcare is:
Their APIs are open source on github so you can see the source and provide pull requests.
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Pros
Pro Open source API
Their APIs are open source on github so you can see the source and provide pull requests.
Pro Handles fast CDN transformations for you
Uploadcare doesn't require you to define cached transformations, and handles them quickly for you so you don't have to fiddle with configurations.
Pro Clean and thoughtful client side API.
Uploadcare provides a client side widget and API, with well worded documentation that clearly explains how each part of the widget is implemented. The client side API also implements the jQuery promises interface for cleanly defining callbacks and updating with progress.
With the client side API decoupled from the upload interface, you can much more easily create customized UI's that match the look and feel of your site.
Cons
Con Doesn't handle SVGs well
Con Regular outages
Con Poor customer support
There are many cases of people complaining on Reddit about not getting responses from customer support for weeks at a time.
Con Impossible KYC
It's almost impossible to validate your identity and do the KYC