This has some major changes: Major refactoring to make structure simpler and easier to understand. Also, ONKI is moving to the Finnish National Library and that means the whole service is moving to a new server. The legacy api methods were much slower on the new server, so the module has been rewritten to use only the new Finto api calls. Please update your onki_domain variable to reflect the new server. Most likely you want it to say "http://api.finto.fi".