Various extensible points / hooks provided by OBAPI framework, are explained in detail in this section.

• REST Tier
  
• Service Extensions
  
• Business Policy
  
• Dictionary
  
• Domain Extensions
  
• Error Messages
  
• Adapter Tier
  
• Outbound web service extensions
  
• Security Customizations
  
• Taxonomy Validations
  For extensions in taxonomy validations, please refer to Oracle Banking APIs Taxonomy Configuration Guide
• Authentication Extensibility
  
• Miscellaneous