Any way to check if an IDN.org/.info is free with the API without knowing its language tag? (As you do on your web interface)
.com and .net give correct availability results with any language tag, but crédit123456.org for instance gives a false positive (taken) if none of the 5 language tags are selected.
Some central registries require a language tag while searching for an IDN while others do not. For these central registries, you'll need to provide the language tag if you are using the API.
In the meantime, I've added your suggestion to our Feature Request list for consideration.