--- title: "Changes to Create Client" method: POST path: "/api/{serviceId}/client/create" --- # Changes to Create Client `POST /api/{serviceId}/client/create` > Every recorded change to this operation, newest first. ## Timeline Changed in 6 of 19 revisions. - **2026-10-28** `add809c8fb0f`: 3 info - **2026-10-19** `bc25340fc023`: 57 info - **2026-08-03** `7ad74ab64749`: 2 warning, 14 info - **2026-01-09** `6b06198e1413`: 1 info - **2025-12-18** `504771740022`: 10 info - **2025-12-15** `5627d7cc0158`: 14 breaking, 14 info ## Changes - **2026-10-28** `add809c8fb0f`: 3 info - added the new optional request property `haipVersion` - added the optional property `haipVersion` to the response with the `200` status - added the optional property `haipVersion` to the response with the `201` status - **2026-10-19** `bc25340fc023`: 57 info - the request optional property `automaticallyRegistered` became read-only - the request optional property `clientIdAliasEnabled` became read-only - the request optional property `clientRegistrationTypes` became read-only - the request optional property `clientSource` became read-only - the request optional property `developer` became read-only - the request optional property `discoveredByMetadataDocument` became read-only - the request optional property `entityId` became read-only - the request optional property `explicitlyRegistered` became read-only - the request optional property `locked` became read-only - the request optional property `metadataDocumentExpiresAt` became read-only - the request optional property `metadataDocumentLocation` became read-only - the request optional property `metadataDocumentUpdatedAt` became read-only - the request optional property `organizationName` became read-only - the request optional property `registrationAccessTokenHash` became read-only - the request optional property `signedJwksUri` became read-only - the request optional property `trustAnchorId` became read-only - the request optional property `trustChain` became read-only - the request optional property `trustChainExpiresAt` became read-only - the request optional property `trustChainUpdatedAt` became read-only - the response optional property `automaticallyRegistered` became read-only for the status `200` - the response optional property `automaticallyRegistered` became read-only for the status `201` - the response optional property `clientIdAliasEnabled` became read-only for the status `200` - the response optional property `clientIdAliasEnabled` became read-only for the status `201` - the response optional property `clientRegistrationTypes` became read-only for the status `200` - the response optional property `clientRegistrationTypes` became read-only for the status `201` - the response optional property `clientSource` became read-only for the status `200` - the response optional property `clientSource` became read-only for the status `201` - the response optional property `developer` became read-only for the status `200` - the response optional property `developer` became read-only for the status `201` - the response optional property `discoveredByMetadataDocument` became read-only for the status `200` - the response optional property `discoveredByMetadataDocument` became read-only for the status `201` - the response optional property `entityId` became read-only for the status `200` - the response optional property `entityId` became read-only for the status `201` - the response optional property `explicitlyRegistered` became read-only for the status `200` - the response optional property `explicitlyRegistered` became read-only for the status `201` - the response optional property `locked` became read-only for the status `200` - the response optional property `locked` became read-only for the status `201` - the response optional property `metadataDocumentExpiresAt` became read-only for the status `200` - the response optional property `metadataDocumentExpiresAt` became read-only for the status `201` - the response optional property `metadataDocumentLocation` became read-only for the status `200` - …17 more - **2026-08-03** `7ad74ab64749`: 2 warning, 14 info - added the new `SPIFFE_JWT` enum value to the `tokenAuthMethod` response property for the response status `200` - added the new `SPIFFE_JWT` enum value to the `tokenAuthMethod` response property for the response status `201` - added the new optional request property `backchannelLogoutSessionRequired` - added the new optional request property `backchannelLogoutUri` - added the new optional request property `spiffeBundleEndpoint` - added the new optional request property `spiffeId` - added the new `SPIFFE_JWT` enum value to the request property `tokenAuthMethod` - added the non-success response with the status `429` - added the optional property `backchannelLogoutSessionRequired` to the response with the `200` status - added the optional property `backchannelLogoutSessionRequired` to the response with the `201` status - added the optional property `backchannelLogoutUri` to the response with the `200` status - added the optional property `backchannelLogoutUri` to the response with the `201` status - added the optional property `spiffeBundleEndpoint` to the response with the `200` status - added the optional property `spiffeBundleEndpoint` to the response with the `201` status - added the optional property `spiffeId` to the response with the `200` status - added the optional property `spiffeId` to the response with the `201` status - **2026-01-09** `6b06198e1413`: 1 info - added the success response with the status `201` - **2025-12-18** `504771740022`: 10 info - added the new optional request property `clientSource` - added the new optional request property `discoveredByMetadataDocument` - added the new optional request property `metadataDocumentExpiresAt` - added the new optional request property `metadataDocumentLocation` - added the new optional request property `metadataDocumentUpdatedAt` - added the optional property `clientSource` to the response with the `200` status - added the optional property `discoveredByMetadataDocument` to the response with the `200` status - added the optional property `metadataDocumentExpiresAt` to the response with the `200` status - added the optional property `metadataDocumentLocation` to the response with the `200` status - added the optional property `metadataDocumentUpdatedAt` to the response with the `200` status - **2025-12-15** `5627d7cc0158`: 14 breaking, 14 info - the response property `authorizationEncryptionAlg` became nullable for the status `200` - the response property `authorizationEncryptionEnc` became nullable for the status `200` - the response property `authorizationSignAlg` became nullable for the status `200` - the response property `bcRequestSignAlg` became nullable for the status `200` - the response property `idTokenEncryptionAlg` became nullable for the status `200` - the response property `idTokenEncryptionEnc` became nullable for the status `200` - the response property `idTokenSignAlg` became nullable for the status `200` - the response property `requestEncryptionAlg` became nullable for the status `200` - the response property `requestEncryptionEnc` became nullable for the status `200` - the response property `requestSignAlg` became nullable for the status `200` - the response property `tokenAuthSignAlg` became nullable for the status `200` - the response property `userInfoEncryptionAlg` became nullable for the status `200` - the response property `userInfoEncryptionEnc` became nullable for the status `200` - the response property `userInfoSignAlg` became nullable for the status `200` - the request property `authorizationEncryptionAlg` became nullable - the request property `authorizationEncryptionEnc` became nullable - the request property `authorizationSignAlg` became nullable - the request property `bcRequestSignAlg` became nullable - the request property `idTokenEncryptionAlg` became nullable - the request property `idTokenEncryptionEnc` became nullable - the request property `idTokenSignAlg` became nullable - the request property `requestEncryptionAlg` became nullable - the request property `requestEncryptionEnc` became nullable - the request property `requestSignAlg` became nullable - the request property `tokenAuthSignAlg` became nullable - the request property `userInfoEncryptionAlg` became nullable - the request property `userInfoEncryptionEnc` became nullable - the request property `userInfoSignAlg` became nullable --- [Operation](https://skmtc.dev/authlete/apis/authlete-api/docs/api/:serviceId/client/create/post.md) - [API](https://skmtc.dev/authlete/apis/authlete-api.md) - [Page](https://skmtc.dev/authlete/apis/authlete-api/changes/api/:serviceId/client/create/post)