> ## Documentation Index
> Fetch the complete documentation index at: https://docs.auth.energy/llms.txt
> Use this file to discover all available pages before exploring further.

# Change Log

> History of changes

| Version | Date       | Summary                                                                                                                                                                                                     |
| ------- | ---------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 0.0.16  | 2026-03-25 | New user (portal) to support third parties (e.g, Citizens Advice) operating a branded central portal                                                                                                        |
| 0.0.15  | 2026-03-25 | Updated to allow other Data Users to reuse existing identity records from another Data User if the customer successfully re-identified themselves                                                           |
| 0.0.14  | 2026-03-24 | Downloadable and fully functional demo                                                                                                                                                                      |
| 0.0.13  | 2026-03-24 | Support for sole, joint & multiple controllers                                                                                                                                                              |
| 0.0.12  | 2026-03-24 | Identity Records separated from Access Records. Re-identification via passkey and magic link added. `POST /customer-sessions` removed — Customer Portal accessed via direct URL with `ir`/`mpxn` parameter. |
| 0.0.11  | 2026-03-20 | Added DCC CoT endpoint and split /access-records into POST/PUT.                                                                                                                                             |
| 0.0.10  | 2026-03-19 | Added Central Customer Portal design and redirect support.                                                                                                                                                  |
| 0.0.9   | 2026-03-18 | Added DCC interface for registering records discovered from their transaction log.                                                                                                                          |
| 0.0.8   | 2026-03-18 | Added EDP directory lookup (`GET /data-users/{duid}`) and webhook subscriptions for consent expiry and tenancy change events.                                                                               |
| 0.0.7   | 2026-03-11 | Initial release.                                                                                                                                                                                            |