xISSN service subscription information
How to subscribe
- Obtain a WorldCat affiliate account: If you already have a Worldcat affiliate account, please skip this step. Otherwise, you can create a WorldCat affiliate account by clicking here.
- Use xISSN service: Put the affiliate ID in xISSN request. Please see the API document for usage instructions.
- Check your usage status : Login to xID account and follow the "Affiliate ID access status" link to find daily and cumulative usage of your account.
- If your usage level is higher than the free service (100 requests/day) or you are qualified OCLC members, please login to xID account and put an order.