You then approve the account via your email account and you are set. The account is needed to get an API key. Using this key, Open PHACTS developers can contact you if your scripts go berserk So, you are kindly invited to make crazy hypotheses and hack the hell out of the platform. That's what I hope my students will do.
To try your new key, go to the documentation page, and open, for example, the SMILES to URL method:
Here you can see what parameters this LDA method has. We focus now on the app_id and app_key fields. Each account comes by default with a, um, default app_id and default app_key. Just click on the field and select them:
Select the defaults and enter a SMILES (try: CC(=O)NC1=CC=C(C=C1)O)). You can select the format you like (I like Turtle) and you get Linked Data back on this compound.
Now, go explore the LDA methods.