Log in to view the NSCC file formats for ACATS that consist of fixed and variable input and output formats.

Note: DTCC is modernizing the client interfaces that firms use to communicate with the ACATS systems. The client interface enhancements also include features to process 529 accounts transfers through the ACATS Fund/SERV® service. To access resources for these client interface enhancements, see the ACATS Projects section. 

Click to access the ACATS input and output JavaScript Object Notation (JSON) formats, schema, and sample JSONs.

View the JSON input formats that are supported with the API Marketplace or Message Queue (MQ) specifications.

ACATS Asset Input JSON Format (Legacy AT)

Modified December 11, 2024

ACATS Transfer Input JSON Format (Legacy TI)

Modified December 11, 2024

ACATS Mutual Fund Registration Input JSON Format (Legacy FR)

Modified December 11, 2024

ACATS Ingress Schema

October 03, 2024

 View the JSON output formats that are supported only through MQ.

ACATS Egress Schema

October 23, 2024

ACATS Multicycle/End-of-Day MQ Output Format

Modified November 26, 2024

ACATS Position MQ Output Format

October 03, 2024

ACATS Settlement MQ Output Format

October 03, 2024

ACATS Insurance Statistics MQ Output Format

November 22, 2023

ACATS Interface Rejects MQ Output Format

October 03, 2024

ACATS Fund/SERV Statistics MQ Output Format

October 24, 2024

View the sample JSONs available in PDF or by downloading the zip containing the following samples:

  • Multicycle Transaction Sample JSON
  • End-of-Day Transaction Sample JSON
  • Position Sample JSON
  • Settlement Sample JSON
  • Insurance Statistics Sample JSON
  • Interface Rejects Sample JSON
  • Fund/SERV Statistics Sample JSON
  • End of Message (EOM) Notification Sample JSON

See Also: View sample requests and responses in the ACATS Message Queue (MQ) Guide. For detailed information about the JSON input structure and usage, see DTCC API Marketplace.

ACATS Sample JSONs

October 23, 2024

ACATS Sample JSONs - Zip

October 23, 2024

 

Click to view the network connectivity guide that provides the ACATS URLs in the PSE and production environments.

Network Connectivity for ACATS Modernization

June 12, 2024

Click to access and download the legacy fixed and variable input formats for ACATS.

ACATS Asset Input (AT) RJE - Fixed (DATATRAK SYSID: 32667)

February 14, 2020

ACATS Transfer Input (TI) RJE - Fixed (DATATRAK SYSID: 32667)

February 14, 2020

ACATS Mutual Fund Registration Input (FR) RJE - Fixed (DATATRAK SYSID: 32667)

February 14, 2020

ACATS Insurance Registration Input (IR) RJE - Fixed (DATATRAK SYSID: 32667)

February 14, 2020

ACATS Asset Input (AT) - Variable (DATATRAK SYSID: 36667)

February 14, 2020

ACATS Transfer Input (TI) - Variable (DATATRAK SYSID: 36667)

February 14, 2020

ACATS Mutual Fund Registration Input (FR) - Variable (DATATRAK SYSID: 36667)

February 14, 2020

ACATS Insurance Registration Input (IR) - Variable (DATATRAK SYSID: 36667)

February 14, 2020

Click to access and download the legacy fixed and variable output formats for ACATS.

Note: DTCC is providing a temporary hybrid solution to firms that need to submit transactions through JSON messages but continue to receive multicycle egress through the legacy fixed or variable formats. For more information, see the ACATS Hybrid Transaction Reference Solution resource in the ACATS Client Interface Modernization section.

ACATS Participant Master File MRO: AutoRoute ID 02090068

February 14, 2020

ACATS Multicycle Transaction MRO/End-of-Day Transaction MRO - Fixed (AutoRoute: 02090722, 02090723)

October 11, 2024

ACATS Output Position - Fixed (AutoRoute Prod: 02090724)

February 14, 2020

ACATS Output Settlement - Fixed (AutoRoute Prod: 02090725)

February 14, 2020

ACATS Output Interface Rejects - Fixed (AutoRoute Prod: 02090727)

February 14, 2020

ACATS Reversal MRO Comma Delimited File Output - Fixed (AutoRoute Prod: 02091657)

February 14, 2020

ACATS Output Fund/SERV Statistics - Fixed (AutoRoute Prod: 02091499)

February 14, 2020

ACATS Output Insurance Statistics - Fixed (AutoRoute Prod: 02090726)

February 14, 2020

ACATS Mutual Fund Reversal Comma Delimited File Output - Fixed (AutoRoute Prod: 02091077)

February 14, 2020

ACATS Multicycle Transaction MRO/End of Day Transaction MRO - Variable

October 11, 2024

ACATS Output Position - Variable

February 14, 2020

ACATS Output Settlement - Variable

February 14, 2020

ACATS Output Fund/SERV Statistics - Variable

February 14, 2020

ACATS Output Insurance Statistics - Variable

February 14, 2020

CNS ACATS Ineligible Security Reject Files/CNS ACATS EOD Fail File

February 14, 2020

ACATS Output Interface Rejects - Variable

February 14, 2020

ACATS Reversal Output - Variable

February 14, 2020

ACATS Mutual Fund Reversal Output - Variable

February 14, 2020

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