INJI VCI Client

INJI VCI client library is designed specifically for interacting with the Credential Endpoint of the OpenID4VCI specification.

• Primary focus: Handling the credential request and response flow.

As per OpenID4VCI spec, once a client has obtained an access token via an authorization flow, it can request a Verifiable Credential (VC) from the Credential Endpoint. This library focuses on that HTTP interaction with the credential issuer.

Features

• Implements credential request (POST /credential) according to OpenID4VCI
• Handles credential response parsing (ldp_vc, mso_mdoc)
• Provides error handling for failure cases (e.g., Download request timeout, Download failure)

Supported Credential formats

1. ldp_Vc
2. mso_mdoc

Specification followed

Follows the draft 13 OpenID4VCI specification

Supported Environments

This library is designed to be used across below-mentioned environment(s):

• Android : This library provides full support for Android environments. For more information on using this library in Android, refer to this guide.
• iOS: This library is also available as a Swift package. For more information, refer here.