I need to find out which analyzer (type, language..) is configured in a specific index.
I tried http://localhost:9200/wazzup/_mapping
but it only gives information about field names/types.
Thanks
The analyzer are part of the index settings, you can retrieve them using the get index settings api:
curl -XGET 'http://localhost:9200/wazzup/_settings'
Also, if you want to see how they behave, have a look at the analyze api.