DTCC is modernizing the client interfaces that firms use to communicate with SPA (Securities Processing Application).
The interfaces are available to both Participants and Transfer Agents. Select a tab below for your list of assets.
MQ
These MQ mapping documents and message specifications are for DTC Participants using the modernized DWAC (Deposit Withdrawal at Custodian), DRS (Direct Registration System) Profile Deposit, and DRS Withdrawal functionality. Click one of the links below to download that document.
| Document Type | Service | Title | Description |
| Mapping Documents | |||
| Participant Mapping Legacy to MQ | This Zip file contains three PDF files to help Participants map from a legacy system to MQ for DRS Profile Deposit, DRS Withdrawal by Transfer, and DWAC. | ||
| Specifications Documents | |||
| DWAC | |||
| DWAC Participant Instruction via MQ (PSPADWCP01) | Participants subscribed to the MQ Product (PSPADWCP01) can create Deposit and Withdrawal Instructions. | ||
| DWAC Participant Status Update via MQ (PSPADWCP02) | Participants subscribed to the MQ Product (PSPADWCP02) can receive messages regarding the status of their Deposit and Withdrawal at Custodian (DWAC) instructions. | ||
| DRS Profile Deposit | |||
| DRS Profile Deposit Participant Instruction via MQ (PSPADRSP01) | Participants subscribed to the MQ Product (PSPADRSP01) can create DRS Profile Deposit instructions. | ||
| DRS Profile Deposit Participant Status Update via MQ (PSPADRSP02) | Participants subscribed to the MQ Product (PSPADRSP02) will receive status updates when their DRS Profile Deposit instructions are approved or rejected by the Transfer Agent. | ||
| DRS Withdrawal | |||
| DRS Withdrawal by Participant Instruction via MQ (PSPADWTP01) | Participants subscribed to the MQ Product (PSPADWTP01) can create DRS Withdrawal instructions. | ||
| DRS Withdrawal by Transfer Participant Status Update via MQ (PSPADWTP02) | Participants subscribed to the MQ Product (PSPADWTP02) will receive updates when their DRS Withdrawal instructions are approved or rejected by the Transfer Agent. |
API
These API mapping documents and message specifications are for DTC Participants using the modernized DWAC (Deposit Withdrawal at Custodian), DRS (Direct Registration System) Profile Deposit, and DRS Withdrawal functionality. Click one of the links below to download that document.
| Document Type | Title | Description |
| Mapping Documents | SPA Participant Legacy to API Mapping Documents | This Zip file contains three PDF files to help Participants map from a legacy system for DRS Profile Deposit, DRS Withdrawal by Transfer, and DWAC. |
| Specifications Documents | Securities Processing DWAC Participant APIs Sample JSONs | This document contains sample messages in JSON format for creating an instruction, canceling an instruction, and participant inquiry. |
MQ
These MQ message specifications are for DTC Transfer Agents using the modernized DWAC (Deposit Withdrawal at Custodian), DRS (Direct Registration System) Profile Deposit, and DRS Withdrawal functionality. Click one of the links below to download that document.
| Document Type | Service | Title | Description |
| Mapping Documents | |||
| Transfer Agent Mapping Legacy to MQ | This Zip file contains three PDF files to help Agents map from a legacy system to MQ for DRS Profile Deposit, DRS Withdrawal by Transfer, and DWAC. | ||
| Specifications Documents | |||
| DWAC | |||
| DWAC Agent Approve or Reject Instruction via MQ (PSPADWCA01) | Transfer Agents subscribed to Product (PSPADWCA01) can approve and reject Deposit and Withdrawal at Custodian (DWAC) instructions. | ||
| DWAC Agent Pending Instruction Notification via MQ (PSPADWCA02) | Transfer Agents subscribed to Product (PSPADWCA02) can receive notifications of DWAC instructions, such as when they are pending approval or have been cancelled by a DTC Participant. | ||
| DRS Profile Deposit | |||
| DRS Agent Approve or Reject and Deliver Order Instruction via MQ (PSPADRSA01) | Transfer Agents subscribed to Product (PSPADRSA01) can approve or reject DRS Profile Deposit instructions as well as create deliver order instructions. | ||
| DRS Agent Pending Profile Deposit notification via MQ (PSPADRSA02) | Transfer Agents subscribed to Product (PSPADRSA02) can receive status updtes on DRS Profile deposit instructions pending approval and instructions cancelled by a DTC Participant. | ||
| DRS Withdrawal | |||
| DRS Withdrawal By Transfer Agent Approve or Reject Instruction via MQ (PSPADWTA01) | Transfer Agents subscribed to Product (PSPADWTA01) can approve and reject DRS Withdrawal instructions. | ||
| DRS Withdrawal by Transfer Agent Pending Instruction Notification via MQ (PSPADWTA02) | Transfer Agents subscribed to Product (PSPADWTA02) will receive status updates on DRS Withdrawal instructions that are pending approval or that have been cancelled by a Participant. |
API
These API mapping documents and message specifications are for DTC Participants using the modernized DWAC (Deposit Withdrawal at Custodian), DRS (Direct Registration System) Profile Deposit, and DRS Withdrawal functionality. Click one of the links below to download that document.
| Document Type | Title | Description |
| Mapping Documents | SPA Agent Legacy to API Mapping Documents | This Zip file contains three PDF files to help Agents map from a legacy system to API for DRS Profile Deposit, DRS Withdrawal by Transfer, and DWAC. |
| Specifications Documents | Securities Processing DWAC Agent APIs Sample JSONs | This document contains sample messages in JSON format for creating an instruction, canceling an instruction, and agent inquiry. |
The workflows below include activities for both Participants and Transfer Agents.
Click an image below to view that workflow.
| DWAC | DRS | |
| Deposit |  |
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| Withdrawal |  |
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