Dec-26-2017 - Free Accounts Restricted

Due to abuse of the system and strain on our resources, we have discontinued free api access. You can find our paid plans by clicking here

Dec-15-2017 - Database Increases to 18.5 Million

Database is now at 18.5 unique titles and counting. We have increased the number of data sources that we use, as well as the data points for each book.

Feb-28-2017 - ISBNdb Undergoing Updates

ISBNdb is currently undergoing maintenance. Please expect service interruptions.

May-23-2013 - May 2013 - System Upgrades

If you are experiencing trouble from our recent update, please let us know.