Access Standards
Access resources for in development Standards and published Standards.
Access Standards
DirectTrust Standards (developed by the DirectTrust Standards division of DirectTrust) are designed to serve the public interest by facilitating interoperability, interchangeability and improvement of products. Existence of such Standards shall not in any respect preclude any member or non-member of DirectTrust from developing or selling products not conforming to such Standards.
Explore our current Standards Consensus Bodies through the navigation menu.
Current Consensus Bodies include:
- The Direct Standard®
- Trusted Instant Messaging Plus (TIM+)
- Event Notifications via the Direct Standard ®
- Information Exchange for Human Services (IX4HS)
- Privacy-Enhancing Health Record Locator Service (PEHRLS) Ecosystem
- Interoperable Secure Cloud Fax
- Establishing Metadata and Payload Patterns for Direct
ANSI Approved Standards
| Document Title | Consensus Body | Document Number | ANSI Approved On |
|---|---|---|---|
| Applicability Statement for Secure Health Transport, Version1.3 (Commonly known as “The Direct Standard®”) | The Direct Standard® | ANSI/DS 2019-01-100-2021 | 5/13/21 |
| Trusted Instant Messaging Plus (TIM+) Applicability Statement Version 1.1.1 | TIM+ | ANSI/DS 2019-02-100-2021 | 9/30/21 |
| Event Notifications via the Direct Standard(R) Version 1.2 | Event Notifications via Direct | ANSI/DS2020-03-101-2025 | 3/25/25 |
| Event Notifications via the Direct Standard® Version 1.1 | Event Notifications via Direct | ANSI/DS 2020 – 03-101-2024 | 1/04/24 |
| Event Notifications via the Direct Standard® Version 1.0 | Event Notifications via the Direct | ANSI/DS 2020-03-100-2022 | 5/13/22 |
| XDR and XDM for Direct Secure Messaging 2.1 | The Direct Standard® | ANSI/DS2019-01-200-2025 | 7/29/25 |
| XDR and XDM for Direct Secure Messaging 2.0 | The Direct Standard® | ANSI/DS2019-01-200-2025 | 2/4/25 |
| Implementation Guide for Direct Edge Protocols | The Direct Standard® | ANSI/DS2019-01-300-2025 | 3/12/25 |
| Implementation Guide for Delivery Notification for Direct Secure Messaging Version 2.0 | The Direct Standard® | ANSI/DS2019-01-400-2025 | 9/11/25 |
DirectTrust Standards
| Document Title | Consensus Body | Document Number | Development Phase |
|---|---|---|---|
| Trial Use Document: Event Notifications via the Direct Standard(R) v1.2.1 | Event Notifications via Direct | DS2020-03-101 | Trial Use Ends 12/31/2026 |
| Framework for Metadata and Payloads via the Direct Standard(R) v1.0 | Metadata and Payloads | DS2024-07-100 | Public Review Starts 12/30/2025
Public Review Ends 01/30/2026 |
Standards Documents in Development
| Document Title | Consensus Body | Document Number | Development Phase |
|---|---|---|---|
| PINS Request: Privacy-Enhancing Health Record Locator Service Ecosystem | Privacy-Enhancing Health Record Locator Service (PEHRLS) Ecosystem | DS 2022-05-100 | PINS Submitted 3/11/2022 Response Ended 4/10/2022 |
| PINS Request: Interoperable Secure Cloud Fax | Interoperable Secure Cloud Fax (ISCF) | DS2023-06-100 | PINS Submitted 12/21/2023 Response ended 02/04/2024 |
| PINS Request: Referrals via FHIR(R) over Direct | Information Exchange for Human Services (IX4HS) | DS2021-04-100 | PINS Submitted 05/23/2024 Response ended 7/07/2024 |
| Request for Standard- Standards for how to define Payloads and Metadata for Transport by the Direct Standard® | Establishing Metadata and Payload Patterns for Direct | DS2024-07-100 | Request for Standard Approved 07/22/2024 |
| PINS Request: Implementation Guide for Expressing Context for Direct Secure Messaging | The Direct Standard® | DS2019-01-500 | PINS Submitted 04/28/2025 Response Starts 05/09/2025 Response Ended 06/08/2025 |
| PINS Request: Event Notifications via the Direct Standard | Event Notifications via Direct | DS2020-03-101 | PINS Submitted 10/28/2025 Response Starts 11/14/2025 Response Ended 12/14/2025 |
Direct Project References
