oid4vci-deferred-notification

Deferred credential issuance in OID4VCI uses a transaction_id to retrieve verifiable credentials later. The issuer provides this ID when immediate generation isn't possible, allowing wallets to poll a deferred credential endpoint until the credential is ready for retrieval.

A deferred credential endpoint manages transaction IDs for delayed verifiable credential retrieval in OID4VCI. It allows wallets to securely poll the endpoint using the transaction_id to fetch the credential once the issuer has finished generating it.

To notify an issuer about verifiable credential acceptance or deletion in OID4VCI, use the notification system endpoints. These allow wallets to inform issuers about credential acceptance, failure, or deletion events after the credential is successfully stored or removed.

Yes, OID4VCI deferred issuance endpoints support encrypted requests and responses over TLS. This secure communication channel handles deferred credential retrieval and notification events according to the OpenID for Verifiable Credential Issuance specifications.

You need deferred credential retrieval when a verifiable credential cannot be issued instantly. The issuer provides a transaction_id, and the user's wallet later polls the deferred endpoint to retrieve the credential once ready, then sends a notification confirming successful storage.