Microlink turns any website into useful structured data.
Just enter an URL and you will get relevant information from any link and easily create beautiful previews.
The powerful API makes simple add it with any existing stack or cloud.
It offers a free plan based on daily quota. Just pay as you need.
It's a very interesting and useful product that can be used with the library / framework of your choise.
Simple. Easy to use. Carefully designed. Awesome support. Nice documentation.
There's no audio preview yet, but it'll be available soon.