Attachments Rewrite API
We are transforming our legacy SOAP/XML attachment process into a modern REST-based API called Document Processing—a redesigned solution that streamlines real-time exchange of supporting documentation between firms. This upgrade enables clients to reduce operational risk, enhance efficiency across their workflows, and offers:
- Simplified integration through a modern JSON-based design
- Enhanced transparency with clear status updates
- Compliance assurance with industry-leading security standards
Important Dates
- PSE Date: November 19, 2026
- Production Date: March 25, 2027
- Decommissioning Legacy Environment: November 18, 2027
I&RS Attachments IAT Data Dictionary
New November 20, 2025
I&RS Attachments Response Schema
New November 20, 2025
I&RS Attachments Request Schema
New November 20, 2025
I&RS Attachments Request Sample
New November 20, 2025
I&RS Attachments Response Sample
New November 20, 2025
I&RS Attachments Open API
New November 20, 2025
I&RS Attachments API Implementation Guide
New November 20, 2025
Current Enhancements Release
Complete the Enhancement Request Form to submit any enhancement ideas.
Implemented Releases
I&RS 2024 Enhancements
July 10, 2024
I&RS 2023 Enhancements
December 28, 2023
I&RS 2022 Enhancements
February 24, 2023
I&RS 2021 Enhancements
December 30, 2022
I&RS 2025 Enhancements
Modified November 24, 2025
Working Group Minutes
I&RS 2021 Minutes
December 30, 2022
I&RS 2022 Minutes
December 30, 2022
I&RS 2023 Minutes
December 27, 2023
I&RS 2024 Minutes
December 02, 2024
I&RS 2025 Minutes
Modified November 19, 2025
I&RS: November 2025 Meeting Minutes
New November 18, 2025