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xISBN (Web service)

Use this Web service to map book-related identifiers (ISBN, LCCN, OCLC number), based on WorldCat information. Free and subscription versions are available.

xISBN service price information

Subscription Types

We offer three subscription types:
  • Data file: Intended for high volume local use in processing environments where web service connections would be impractical.
  • Access limit by cumulative total: It enables a specific number of queries (e.g. 100,000 accesses) that have no time limits or expiration date.
  • Daily access limit: It allows a specific number of queries (e.g. 1,000 accesses) per day.

OCLC cataloguing members

Description Rate Description
OCLC cataloguing members
xISBN Web Service with cumulative total access 1,000,000 queries free, higher usage per request
xISBN Web Service with daily access 10,000 queries/day free, higher usage per request

Standard Subscriptions

Description Price Rate Description
Web service
xISBN Web Service with cumulative total access 10,000,000 queries $16,000 metered usage
xISBN Web Service with cumulative total access 1,000,000 queries $4,000 metered usage
xISBN Web Service with cumulative total access 100,000 queries $1,000 metered usage
xISBN Web Service with cumulative total access 20,000 queries $400 metered usage
xISBN Web Service with daily access 1,000 queries/day $500 annual subscription (not available for commercial orders)
xISBN Web Service with daily access 2,000 queries/day $1,000 annual subscription (not available for commercial orders)
xISBN Web Service with daily access 5,000 queries/day $2,000 annual subscription (not available for commercial orders)
xISBN Web Service with daily access 10,000 queries/day $3,000 annual subscription (not available for commercial orders)
xISBN Web Service - other usage level custom quote
Library system vendors
please contact us about distributor arrangements.
Data File
xISBN Data File (Monthly Update) custom quote