## Aug 12 2026

- Updated documentation to indicate required and optional fields across endpoints.
- Updated `riskScore` consumption instructions.

## Feb 27 2026

- Include flows to distinguish wallet-initiated and issuer-initiated flows.

## Sept 19 2025

- Updating documentation to reflect the supported CredentialStatus.

## Aug 8 2025

- Updated `GetProofingStatus` response:
  - Added `riskCheckFailure` and `livenessCheckFailure` as new rejection reasons.

## Feb 11 2025

- Update CredentialStatus to include reverification related statuses with UserActionRequired field.

## Jan 28 2025

- Include [`/cancelProofing`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/cancelProofing) endpoint.

## 18 Oct 2024

- Update ProvisionMobileSecurityObjects to allow for any number of MSOs to be returned, not just the same as the number of Auth Keys passed.

## 16 Feb 2024

- Corrected documentation for encrypted data
- Corrected typo for barcode format

## 06 Dec 2023

- Updated documentation to include details on context values for E2EE.

## 28 Nov 2023

- Updated documentation to include details on Static Auth Data and MSO construction.

## 22 Nov 2023

- Added `additionalTimeRequired` to `challenge` of `getProofingStatusResponse`.

## 25 Sept 2023

- Updated documentation for device registration nonce to include details on nonce length.

## 25 July 2023

- Updated documentation for "Suspended" credential status

## 23 June 2023

- Add `credentialVersionId` to `ProvisionMobileSecurityObjects`
- Add `deviceIdentityCertificateChain` to `RegisterDevice`, deprecate `deviceIdentityCertificate`

## 9th May 2023

- Add [`ErrorResponse`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/ErrorResponse) type.

## 10th Mar 2023

- Replace the `deviceEncryptionCertificate` field with a [`DeviceEncryptionKey`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/DeviceEncryptionKey) object for [`provisionCredential`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/provisionCredential) and [`provisionMobileSecurityObjects`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/provisionMobileSecurityObjects).
- Add additional metadata to the [`EncryptedData`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/EncryptedData) object

## 21st Feb 2023

- Change the format of identity key and encryption key from 'PEM' to 'DER'

## 10th Jan 2023

- Change the HTTP method from 'GET' to 'POST' for [`getIdentityKey`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/getIdentityKey) and [`getHybridEncryptionKey`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/getHybridEncryptionKey).

## 3rd Nov 2022

- Included endpoints for [`getIdentityKey`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/getIdentityKey) and [`getHybridEncryptionKey`](https://developers.google.com/wallet/identity/provisioning/api-reference/issuer-hosted/rest/v1/mdl/getHybridEncryptionKey).

## 24th Oct 2022

- Initial version