Google Translate. Google Translate is a multilingual machine translation service developed by Google, to translate text, speech, images, sites, or real-time video from one language into another.
This version also supports action workflows, useful to translate back-end data.

Please note: due to security reasons, we're not showing the editor link. You can feel assured that translations work fine with this API.

For cost refer to: https://cloud.google.com/translate/pricing