Use sample reference material
You can use our test harness and sample reference data to help you issue credentials to GOV.UK Wallet correctly.
Test harness
You can use the GOV.UK Wallet test harness to validate your credential issuance implementation.
Follow the instructions in the README files to run the test scripts on your credential issuer.
Example credential issuer
You can use the credential issuer service in Java to see an example of a credential issuer service integrated with GOV.UK Wallet.
Follow the instructions in the README files to run an example of the credential issuance flow.
Warning
You should not use the sample reference material in a production environment.
This page was last reviewed on 15 August 2025.
It needs to be reviewed again on 15 February 2026
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This page was set to be reviewed before 15 February 2026.
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