Is websub mandatory for registration processor?

I am getting a WebSub error in my system, and there are many problems while deploying WebSub. If it is mandatory for the registration processor, why?

Hi Rankesh,

Thank you for reaching out to us.

WebSub is not mandatory in the MOSIP Registration Processor by default. It is an optional integration mechanism used for event notifications—particularly useful when external systems need real-time updates about events such as registration status changes, credential issuance, etc.
In the context of the Registration Processor:

  • The Registration Processor can function independently without WebSub.

  • WebSub can be integrated if there’s a need to notify external systems about registration packet processing events or status changes.

Please refer to this documentation to understand further https://docs.mosip.io/1.2.0/id-lifecycle-management/supporting-services/websub
Websub will be essential if authentication is required. If WebSub is not configured, the system loses its ability to push workflow event notifications to interested subscribers, possibly impacting integration and observability. The core workflow logic may continue, but event-driven extensions and integrations will not work as intended, and warnings or errors may be logged.

Regards,

Mosip Team

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